crystal changelog

Changelog History

Page 1

• v1.1.1 Changes

  July 26, 2021

  Language changes

  • ⏪ Revert name of top-level module to main (#10993, thanks @beta-ziliani)

  Standard Library

  • 🛠 Fix missing required args for Socket::Addrinfo::Error.new (#10960, thanks @straight-shoota)
  • 🛠 Fix disable unnecessary spec on win32 (#10971, thanks @straight-shoota)
  • ✂ Remove incorrect type restrictions on index methods with offset (#10972, thanks @straight-shoota)
  • 🛠 Fix: documentation of #step in Number and Char (#10966, #11006, thanks @beta-ziliani and @straight-shoota)

  Compiler

  • 🛠 Fix parsing macro body with escaped backslash in literal (#10995, thanks @straight-shoota)

  Other

  • ⚡️ Updating aarch64 actions to use 1.0.0 images (#10976, thanks @beta-ziliani)

• v1.1.0 Changes

  July 14, 2021

  Language changes

  • 👌 Support splat expansions inside tuple and array literals. (#10429, thanks @HertzDevil)
  • 👌 Support breaks with values inside while expressions. (#10566, thanks @HertzDevil)

  Macros

  • ➕ Add @top_level to access the top-level scope in macros. (#10682, thanks @beta-ziliani)
  • Fix: preserve integer sizes in NumberLiteral#int_bin_op. (#10713, thanks @collidedscope)
  • ➕ Add NumberLiteral#to_number. (#10802, thanks @straight-shoota)
  • (breaking-change) Add Crystal::Macros::Path#global? deprecating the old Crystal::Macros::Path#global. (#10812, thanks @HertzDevil)
  • 🛠 Minor fixes to docs of UnaryExpression macro nodes. (#10816, thanks @HertzDevil)
  • ➕ Add macro method ASTNode#nil?. (#10850, #10616, thanks @straight-shoota)

  Standard library

  Global changes

  🏁 Windows support

  • Port Socket::Address to win32 . (#10610, thanks @straight-shoota)
  • Port Socket::Addrinfo to win32. (#10650, thanks @straight-shoota)
  • Extract system-specifics from Socket. (#10706, thanks @straight-shoota)
  • Make WinError portable and add it to prelude. (#10725, thanks @straight-shoota)
  • Improve portability of SystemError. (#10726, thanks @straight-shoota)
  • Refactor Socket::Addrinfo::Error based on os_error. (#10761, thanks @straight-shoota)
  • Add WinError.wsa_value and specs for WinError. (#10762, thanks @straight-shoota)
  • Add specs for Errno. (#10763, thanks @straight-shoota)
  • Refactor: Move win32 libc bindings from winbase.cr to approriate files. (#10771, thanks @straight-shoota)
  • Refactor: Change protocol socket fd to Socket::Handle. (#10772, thanks @straight-shoota)
  • Fix Socket::Connect error in addrinfo inherit os_error. (#10782, thanks @straight-shoota)
  • Reorganize some win32 libc bindings (#10776, thanks @straight-shoota)

  Type annotations

  • Add type restriction to private Process constructor. (#7040, thanks @z64)
  • Add various return type restrictions (thanks @oprypin, @straight-shoota, and @caspiano): #10578, #10579, #10580, #10581, #10582, #10583, #10584, #10585, #10586, #10587, #10588, #10849, #10856, #10857, #10858, #10905
  • Add type restrictions for splat-less overloads of some methods. (#10594, thanks @HertzDevil)

  Numeric

  • ➕ Add Number.new overload for String. (#10422, thanks @Blacksmoke16)
  • 🛠 Fix Math.pw2ceil for zero and 64-bit integers. (#10555, thanks @straight-shoota)
  • ➕ Add #positive? & #negative? to Number and Time::Span. (#10601, thanks @Blacksmoke16)
  • 🛠 Fix imprecise Number#significant algorithm. (#10615, thanks @straight-shoota)
  • ➕ Add BigFloat's rounding modes. (#10618, thanks @HertzDevil)
  • 🛠 Fix handling of arithmetic overflow in BigDecimal#div. (#10628, thanks @kellydanma)
  • Clarify behaviour of unsafe Float-to-number conversions. (#10631, thanks @HertzDevil)
  • 🛠 Fix return type restriction for Number#humanize overload. (#10633, thanks @HertzDevil)
  • 🛠 Fix printf float with with many digits. (#10719, thanks @straight-shoota)
  • ➕ Add BigDecimal's missing rounding modes. (#10798, thanks @HertzDevil)
  • ➕ Add support for using big rational #** with unsigned ints. (#10887, thanks @stakach)
  • Add overflow detection to BigFloat#to_i64 and #to_u64. (#10630, thanks @HertzDevil)

  Text

  • 🐎 (performance) Optimize Levenshtein.distance. (#8324, thanks @r00ster91)
  • ♻️ Refactor: add private Slice#hexdump(io : IO) overload. (#10496, thanks @HertzDevil)
  • Restrict MatchData#begin and #end to Int32. (#10656, thanks @straight-shoota)
  • Refactor: remove #check_needs_resize from IO::Memory, String::Builder. (#10732, thanks @straight-shoota)
  • 🛠 Fix Base64#encode, exclude last 3 bytes from bswap. (#10752, thanks @kostya)
  • Refactor: avoid union type in Char::Reader#decode_char_at. (#10758, thanks @asterite)

  Collections

  • ➕ Add sub/superset checking methods to Hash. (#7500, thanks @Sija)
  • 👌 Improve documentation of Array#[](Range). (#10243, thanks @straight-shoota)
  • ➕ Add Steppable module as generalized Number#step. (#10279, thanks @straight-shoota)
  • Add docs for #map_with_index. (#10512, thanks @wontruefree)
  • ➕ Add Array#truncate. (#10712, thanks @HertzDevil)
  • 🛠 Fix: Always copy Hash's default block on #dup and #clone. (#10744, thanks @HertzDevil)
  • Apply Array#push's resizing heuristic to #unshift. (#10750, thanks @HertzDevil)
  • ♻️ Refactor index / count normalization in range-like methods. (#10753, thanks @HertzDevil)
  • ➕ Add methods for cumulative folding and prefix sums. (#10789, thanks @HertzDevil)
  • 🛠 Fix: Pass read-only flag to peeked slice in IO::Memory. (#10891, thanks @z64)

  Crypto

  • ➕ Add methods for getting peer certificates and signatures in OpenSSL. (#8005, thanks @will)
  • ➕ Add docs for OpenSSL::Cipher. (#9934, thanks @sol-vin)
  • 🛠 Fix format of src/openssl/cipher.cr. (#10705, thanks @straight-shoota)
  • 📚 Refine documentation for Random#urlsafe_base64. (#10724, thanks @straight-shoota)
  • Fix ssl context required for add_x509_verify_flags. (#10756, thanks @stakach)

  Time

  • 👌 Improve error handling for load_localtime on unix. (#10654, thanks @straight-shoota)
  • 🛠 Fix broken call to Time#to_s. (#10778, thanks @straight-shoota)
  • 🛠 Fix Time#shift cover date boundaries with zone offset. (#10871, thanks @straight-shoota)

  Files

  • 🛠 Fix and unify documentation for puts. (#10614, thanks @straight-shoota)
  • 🛠 Fix Path#sibling return type. (#10655, thanks @Sija)
  • ➕ Add Path in FileUtils's methods to match the interfaces it's wrapping. (#10747, thanks @yb66)
  • 🛠 Fix FileDescriptor#pos return Int64 on armv6 (#10845, thanks @straight-shoota)

  Fibers

  • 📚 Clarify documentation on Path#join and #==. (#10455, thanks @straight-shoota)

  Networking

  • ➕ Add an example middleware for remote_address. (#10408, thanks @oprypin)
  • ➕ Add OAuth2::Client#http_client. (#10452, thanks @straight-shoota)
  • 🛠 Fix undefined constant error for http/params. (#10537, thanks @stakach)
  • 🛠 Fix looping forever at 100% CPU if socket is closed. (#10658, thanks @didactic-drunk)
  • 🛠 Fix documentation of HTTP::Cookies#[]= empty path. (#10669, thanks @straight-shoota)
  • 🛠 Fix handling of EAI_SYSTEM for getaddrinfo. (#10757, thanks @straight-shoota)
  • 🐎 (performance) Cache socket.local_address and socket.remote_address. (#10765, thanks @lbguilherme)
  • 🛠 Fix: IO::ARGF#read should always return i32. (#10828, thanks @stakach)
  • 🛠 Fix HTTP::Cookie parse quoted cookie value. (#10853, thanks @straight-shoota)
  • ➕ Add Socket::Addrinfo#inspect (#10775, thanks @straight-shoota)

  System

  • 🛠 Fix sentence structure in process.cr. (#9259, thanks @matthewmcgarvey)

  ⚙ Runtime

  • Implement segfault handler in Crystal. (#10463, thanks @maxfierke)
  • 👌 Improve documentation for Pointer.malloc and GC methods. (#10644, thanks @straight-shoota)
  • ➕ Add links to literal types in the language reference. (#10827, thanks @straight-shoota)

  Serialization

  • ➕ Add docs for some json methods. (#10257, thanks @rdp)
  • Add UUID.from_json_object_key?. (#10517, thanks @kalinon)
  • 🛠 Fix JSON::Lexer's UTF-16 escape sequence parsing. (#10450, thanks @HertzDevil)
  • Fix YAML::Serializable.use_yaml_discriminator with typed enum. (#10460, thanks @straight-shoota)
  • 🛠 Fix YAML to not parse empty string as nil. (#10608, thanks @straight-shoota)
  • ➕ Add UUID to yaml parsing. (#10715, thanks @kalinon)
  • 🛠 Fix double flushing json/yaml builders. (#10716, thanks @matthewmcgarvey)

  Specs

  • ➕ Add spec helper it_iterates for iteration methods. (#10158, #10797, thanks @straight-shoota)
  • ➕ Add usage instructions for spec runner to compiler. (#10046, thanks @straight-shoota)
  • 🛠 Fix: Handle invalid option errors on crystal spec. (#10787, thanks @hugopl)
  • 📄 Include spec/** in docs_main. (#10863, thanks @straight-shoota)

  Compiler

  • ➕ Add support for type var splats inside Tuple during generic parameter substitution. (#10232, thanks @HertzDevil)
  • 🛠 Fix: consider free vars in parameters of abstract def implementations before existing types, in particular fixing the creation of empty types. (#10503, thanks @HertzDevil)
  • 🛠 Fix variance checks between generic instances for Proc#call and abstract defs. (#10507, #10899, thanks @HertzDevil)
  • 🛠 Fix error message when default parameter value doesn't match non-type restriction. (#10515, thanks @HertzDevil)
  • 🛠 Fix type restriction logic for generic module instances. (#10519, thanks @HertzDevil)
  • 🛠 Fix logic for subclass restricted against uninstantiated nested generic superclass. (#10522, #10560, thanks @HertzDevil)
  • 🛠 Fix: eliminate extraneous types in certain non-commutative unions. (#10527, thanks @HertzDevil)
  • 🛠 Fix: exclude variables' final types inside while true if re-assigned before first break. (#10538, thanks @HertzDevil)
  • 👉 Make Pointer(T)#value= even stricter for generic arguments. (#10553, thanks @HertzDevil)
  • 🛠 Fix body locations for def nodes that have default args . (#10619, thanks @oprypin)
  • 🛠 Fix call nodes' location after transforming its splats. (#10620, thanks @oprypin)
  • Fix check_type_allowed_as_proc_argument to show the type name. (#10688, thanks @straight-shoota)
  • ➕ Add free variables to "no overload matches" errors. (#10692, thanks @HertzDevil)
  • 🛠 Fix: make virtual unbound types also unbound. (#10704, thanks @HertzDevil)
  • 🛠 Fix: run instance variable initializers on instantiated generic superclasses only. (#10729, thanks @HertzDevil)
  • 🛠 Fix: allow previous_def to init superclass's non-nilable ivars. (#10733, thanks @HertzDevil)
  • 🛠 Fix: Use only last sub-expression of Expressions nodes for conditional type filters. (#10738, thanks @HertzDevil)
  • 🛠 Fix: Don't compute type filters inside typeof's argument. (#10739, thanks @HertzDevil)
  • 🛠 Fix: Devirtualize types in TypeNode#==(other : TypeNode) and #!=. (#10742, thanks @HertzDevil)
  • 🛠 Fix exit types of variables assigned inside while conditions. (#10759, thanks @HertzDevil)
  • 🛠 Fix logic for responds_to? of generic module instances. (#10760, thanks @HertzDevil)
  • ➕ Add support for accessing a common value of a union type. (#10770, thanks @asterite)
  • 🛠 Fix subtype relation when generic type variable is a virtual abstract struct. (#10779, thanks @HertzDevil)
  • 🛠 Fix array literals consisting entirely of splat expansions. (#10792, thanks @HertzDevil)
  • 🛠 Fix parsing macro literal containing char literal. (#10799, thanks @straight-shoota)
  • ♻️ Refactor: Use type instead of is_a? in filters. (#10815, thanks @caspiano)
  • Expand named macro expression arguments before outer macro call expansion. (#10819, thanks @HertzDevil)
  • 🖨 Be more strict about printing operator calls as short forms. (#10825, thanks @HertzDevil)
  • 🛠 Fix union logic between metaclasses of uninstantiated generic classes in same hierarchy. (#10832, thanks @HertzDevil)
  • 🛠 Fix uninstantiated generic classes casting to themselves. (#10883, thanks @HertzDevil)
  • 👍 Allow underscore in block return type even if the type can't be computed (#10933, thanks @asterite)
  • 🛠 Fix parser identifies call with named args as var (#10842, thanks @straight-shoota)

  Tools

  Formatter

  • 🛠 Fix: allow trailing space in parenthesized unions. (#10595, thanks @HertzDevil)
  • 🛠 Fix: don't consume newline after endless range literals. (#10596, thanks @HertzDevil)
  • 🛠 Fix indentation of heredocs relative to delimiter. (#10806, thanks @HertzDevil)
  • 🛠 Fix heredoc indent with outer indent. (#10867, thanks @straight-shoota)

  Doc generator

  • 🛠 Fix escaping of argument lists in doc generator, expose JSON. (#10109, #10821, thanks @oprypin and @Sija)
  • 🖨 Print named generic type arguments of type restrictions in docs. (#10424, thanks @HertzDevil)
  • 🛠 Fix: respect overload order between methods. (#10609, thanks @HertzDevil)
  • 🛠 Fix PropagateDocVisitor visit macro def. (#10634, thanks @straight-shoota)
  • 🛠 Fix: remove superclass from ASTNode in API docs. (#10664, thanks @beta-ziliani)
  • (breaking-change) Remove deprecated ditto doc directive. (#10755, thanks @caspiano) (Note that it was scheduled for removal since 0.34)
  • 🛠 Fix: Restrict macro types' ancestors to ASTNode. (#10722, thanks @HertzDevil)
  • 🛠 Fix docs generator search use html_id. (#10875, thanks @straight-shoota)
  • 🛠 Fix --sitemap-priority, --sitemap-changefreq. (#10906, thanks @HertzDevil)

  Others

  • ⚡️ CI: Update to use 1.0.0. (#10533, thanks @bcardiff)
  • ⬆️ Bump distribution-scripts. (#10639, #10673, #10754, thanks @straight-shoota and @bcardiff)
  • 🛠 Fix contribution instructions. (#10558, thanks @straight-shoota)
  • ✂ Remove .dockerignore. (#10642, thanks @miry)
  • ➕ Add section about pull requests to the contributing guide. (#10683, thanks @straight-shoota)
  • 🏗 Publish nightly builds to OBS. (#10684, thanks @straight-shoota)
  • ✂ Remove broken travis.yml config from crystal init. (#10800, thanks @straight-shoota)
  • ✅ Disable broken test_darwin job on circleci. (#10823, thanks @straight-shoota)
  • ⚡️ Update distribution-scripts for shards 0.15.0. (#10862, thanks @straight-shoota)
  • ➕ Add smoke tests for platforms where we don't run full tests (#10848, thanks @straight-shoota)

• v1.0.0 Changes

  March 22, 2021

  Language changes

  • 👌 Support Tuple#[](Range) with compile-time range literals. (#10379, thanks @HertzDevil)

  Macros

  • Don't use named argument key names as parameters for method_missing calls. (#10388, thanks @HertzDevil)

  Standard library

  • (breaking-change) Drop deprecated definitions. (#10386, thanks @bcardiff)
  • 🛠 Fix example codes in multiple places. (#10505, thanks @maiha)

  Macros

  • (breaking-change) Always add explicit return types in getter/property macros. (#10405, thanks @Sija)

  Numeric

  • (breaking-change) Change default rounding mode to TIES_EVEN. (#10508, thanks @straight-shoota)
  • 🛠 Fix downcasting float infinity. (#10420, thanks @straight-shoota)
  • 🛠 Fix String#to_f out of range behaviour. (#10425, thanks @straight-shoota)
  • Implement rounding mode for Number#round. (#10413, #10360, #10479, thanks @straight-shoota)

  Text

  • ➕ Add missing unicode whitespace support to String methods. (#10367, thanks @straight-shoota)

  Collections

  • 🛠 Fix Range#== to ignore generic type arguments. (#10309, thanks @straight-shoota)
  • Make Enumerable#flat_map, Iterator#flat_map work with mixed element types. (#10329, thanks @HertzDevil)
  • ✂ Remove duplicated sort related specs. (#10208, thanks @MakeNowJust)
  • 🛠 Fix docs regarding Set#each return type. (#10477, thanks @kachick)
  • Fix docs examples regarding Set#*set_of?. (#10285, thanks @oddp)
  • 🛠 Fix expectation on set specs. (#10482, thanks @kachick)

  Serialization

  • (breaking-change) Serialize Enum to underscored String by default. (#10431, thanks @straight-shoota, @caspiano)
  • (breaking-change) Use class instead of struct for types in XML module. (#10436, thanks @hugopl)
  • ➕ Add YAML::Nodes::Node#kind. (#10432, thanks @straight-shoota)

  Files

  • Let IO::Memory not be writable with read-only Slice. (#10391, thanks @straight-shoota)
  • 👍 Allow Int64 values within IO#read_at. (#10356, thanks @Blacksmoke16)
  • ➕ Add IO::Sized#remaining=(value) to reuse an existing instance. (#10520, thanks @jgaskins)

  Networking

  • 🔒 (security) Remove Cookie Name Decoding. (#10442, thanks @security-curious)
  • (breaking-change) Remove implicit en-/decoding for cookie values. (#10485, thanks @straight-shoota)
  • (breaking-change) Split HTTP::Cookies.from_headers into separate methods for server/client. (#10486, thanks @straight-shoota)
  • 🐎 (performance) Minor performance improvements to HTTP::Cookies. (#10488, thanks @straight-shoota)
  • Respect subclasses when constructing HTTP::Client from class methods. (#10375, thanks @oprypin)
  • 👉 Make the content-length header more RFC compliant. (#10353, thanks @Blacksmoke16)
  • Fix #respond_with_status when headers written or closed. (#10415, thanks @straight-shoota)
  • 🛠 Fix Cookie#== to take all ivars into account. (#10487, thanks @straight-shoota)
  • ✂ Remove implicit path=/ from HTTP::Cookie. (#10491, thanks @straight-shoota)
  • ➕ Add HTTP::Request#local_address. (#10385, thanks @carlhoerberg)

  🌲 Logging

  • Close AsyncDispatcher on #finalize. (#10390, thanks @straight-shoota)

  System

  • 🛠 Fix Process.parse_argument behavior against a quote in a word. (#10337, thanks @MakeNowJust)
  • ➕ Add aarch64 support for macOS/darwin targets. (#10348, thanks @maxfierke, @RomainFranceschini)
  • Add LibC::MAP_ANONYMOUS to x86_64-darwin to match other platforms. (#10398, thanks @sourgrasses)

  ⚙ Runtime

  • 👌 Improve error message for ELF reader on uninitialized runtime. (#10282, thanks @straight-shoota)

  Compiler

  • (breaking-change) Disallow surrogate halves in escape sequences of string and character literals, use \x for arbitrary binary values. (#10443, thanks @HertzDevil)
  • 🛠 Fix ICE when exhaustive in-clause calls pseudo-method. (#10382, thanks @HertzDevil)
  • 🛠 Fix ICE when parsing foo.% calls. (#10351, thanks @MakeNowJust)
  • 🛠 Fix edge cases for symbol quoting rules. (#10389, thanks @HertzDevil)
  • 👌 Support closured vars inside Const initializer. (#10478, thanks @RX14)
  • 📚 Documentation grammar fix. (#10369, thanks @szTheory)

  Language semantics

  • Don't fail on untyped is_a?. (#10320, thanks @asterite)
  • 🛠 Fix named arguments in super and previous_def calls. (#10400, thanks @HertzDevil)
  • 🛠 Fix assignments in array literals. (#10009, thanks @straight-shoota)
  • Consider type var splats in generic type restrictions. (#10168, thanks @HertzDevil)
  • Align Proc.new(&block)'s behaviour with other captured blocks. (#10263, thanks @HertzDevil)
  • 🔀 Don't merge NamedTuple metaclasses through instance types. (#10501, thanks @HertzDevil)
  • Access instantiations of NamedTuple and other generics uniformly. (#10401, thanks @HertzDevil)
  • 👌 Improve error message for auto-cast error at Var assign. (#10327, thanks @straight-shoota)
  • Exclude abstract defs from "no overload matches" errors. (#10483, thanks @HertzDevil)
  • 👌 Support splats inside tuple literals in type names. (#10430, thanks @HertzDevil)
  • Accept pointer instance types on falsey conditional branches. (#10464, thanks @HertzDevil)
  • Match named arguments by external parameter names when checking overload cover. (#10530, thanks @HertzDevil)

  Doc generator

  • Detect source locations in more situations. (#10439, thanks @oprypin)

  Others

  • CI improvements and housekeeping. (#10299, #10340, #10476, #10480, thanks @bcardiff, @Sija, @straight-shoota)
  • ⚡️ Update distribution-scripts to use Shards v0.14.1. (#10494, thanks @bcardiff)
  • ➕ Add GitHub issue templates. (#8934, thanks @j8r)
  • ➕ Add LLVM 11.1 to the list of supported versions. (#10523, thanks @Sija)
  • 🛠 Fix SDL examples crashes. (#10470, thanks @megatux)

• v0.36.1 Changes

  February 02, 2021

  Standard library

  • 🛠 Fix Enum.from_value? for flag enum with non Int32 base type. (#10303, thanks @straight-shoota)

  Text

  • Don't raise on String.new with null pointer and bytesize 0. (#10308, thanks @asterite)

  Collections

  • ⏪ Explicitly return a Hash in Hash#dup and Hash#clone (reverts #9871). (#10331, thanks @straight-shoota)

  Serialization

  • 🗄 XML: fix deprecation warning. (#10335, thanks @bcardiff)

  ⚙ Runtime

  • Eager load DWARF only if CRYSTAL_LOAD_DWARF=1. (#10326, thanks @bcardiff)

  Compiler

  • 🐎 (performance) Initialize right-away constants in a separate function. (#10334, thanks @asterite)
  • 🛠 Fix incorrect casting between different union types. (#10333, thanks @asterite)
  • 🛠 Fix a formatting error in the "missing argument" error. (#10325, thanks @BlobCodes)
  • 🛠 Fix while condition assignment check for Not. (#10347, thanks @asterite)
  • 👍 Allow operators and setters-like macros names back. (#10338, thanks @asterite)

  Language semantics

  • 🛠 Fix type check not considering virtual types. (#10304, thanks @asterite)
  • 👉 Use path lookup when looking up type for auto-cast match. (#10318, thanks @asterite)

• v0.36.0 Changes

  January 26, 2021

  Language changes

  • (breaking-change) Reject annotations on ivars defined in base class. (#9502, thanks @waj)
  • (breaking-change) Make ** be right associative. (#9684, thanks @asterite)

  Macros

  • (breaking-change) Deprecate TypeNode#has_attribute? in favor of #annotation. (#9950, thanks @HertzDevil)
  • 👌 Support heredoc literal in macro. (#9467, thanks @MakeNowJust)
  • 👌 Support %Q, %i, %w, and %x literals in macros. (#9811, thanks @toddsundsted)
  • 👍 Allow executing multi-assignments in macros. (#9440, thanks @MakeNowJust)

  Standard library

  • (breaking-change) Drop deprecated CRC32, Adler32 top-level. (#9530, thanks @bcardiff)
  • (breaking-change) Drop deprecated Flate, Gzip, Zip, Zlib top-level. (#9529, thanks @bcardiff)
  • (breaking-change) Drop deprecated with_color top-level method. (#9531, thanks @bcardiff)
  • (breaking-change) Make SemanticVersion parsing more strict. (#9868, thanks @hugopl)
  • Respect explicitly provided type vars for Tuple.new and NamedTuple.new. (#10047, thanks @HertzDevil)
  • 🛠 Fix OptionParser to handle sub-commands with hyphen. (#9465, thanks @erdnaxeli)
  • 🛠 Fix OptionParser to not call handler if value is given to none value handler. (#9603, thanks @MakeNowJust)
  • 👉 Make def_equals compare first by reference. (#9650, thanks @waj)
  • ✂ Remove unnecessary def ==(other) fallbacks. (#9571, thanks @MakeNowJust)
  • 🛠 Fix OptionParser indentation of option descriptions. (#10183, thanks @wonderix)
  • ➕ Add #hash to Log::Metadata, Path, SemanticVersion, Socket::Address, URI::Params, and UUID. (#10119, thanks @straight-shoota)
  • ♻️ Refactor several case statements with exhaustive case/in. (#9656, thanks @Sija)
  • ✂ Remove Kernel mentions in docs. (#9549, thanks @toddsundsted)
  • 👌 Improve docs for Object#dup. (#10053, thanks @straight-shoota)
  • 🛠 Fix example codes in multiple places. (#9818, thanks @maiha)
  • 🛠 Fix typos, misspelling and styling. (#9636, #9638, #9561, #9786, #9840, #9844, #9854, #9869, #10068, #10123, #10102, #10116, #10229, #10252, thanks @kubo, @m-o-e, @mgomes, @philipp-classen, @dukeraphaelng, @camreeves, @docelic, @ilmanzo, @Sija, @pxeger, @oprypin)

  Macros

  • 🛠 Fix documentation for #[]= macro methods. (#10025, thanks @HertzDevil)

  Numeric

  • (breaking-change) Move Complex#exp, Complex#log, etc. to Math.exp, Math.log overloads. (#9739, thanks @cristian-lsdb)
  • 🐎 (performance) Use unchecked arithmetics in Int#times. (#9511, thanks @waj)
  • Check for overflow when extending signed integers to unsigned integers. (#10000, thanks @HertzDevil)
  • 🛠 Fix sprintf for zero left padding a negative number. (#9725, thanks @asterite)
  • 🛠 Fix BigInt#to_64 and BigInt#hash. (#10121, thanks @oprypin)
  • 🛠 Fix BigDecimal#to_s for numbers between -1 and 0. (#9897, thanks @dukeraphaelng)
  • 🛠 Fix Number#step. (#10130, #10295, thanks @straight-shoota, @bcardiff)
  • 👉 Make Complex unary plus returns self. (#9719, thanks @asterite)
  • 👌 Improve Int#lcm and Int#gcd. (#9999, thanks @HertzDevil)
  • ➕ Add Math::TAU. (#10179, thanks @j8r)
  • ➕ Add wrapped unary negation to unsigned integer types to allow &- x expressions. (#9947, thanks @HertzDevil)
  • 👌 Improve documentation of mathematical functions. (#9994, thanks @HertzDevil)

  Text

  • (breaking-change) Fix String#index not working well for broken UTF-8 sequences. (#9713, thanks @asterite)
  • 🐎 (performance) String: Don't materialize Regex match[0] if not needed. (#9615, thanks @asterite)
  • 🛠 Fix String#rindex default offset for matching empty regex correctly. (#9690, thanks @MakeNowJust)
  • ➕ Add various String#delete_at methods. (#9398, thanks @asterite)
  • Raise if passing null Pointer to String. (#9653, thanks @jgaskins)
  • ➕ Add Regex#capture_count. (#9746, thanks @Sija)
  • ➕ Add Regex::MatchData#[] overloading to Range. (#10076, thanks @MakeNowJust)
  • 🛠 Fix duplicates in String documentation. (#9987, thanks @Nicolab)
  • ➕ Add docs for substitution to Kernel.sprintf. (#10227, thanks @straight-shoota)

  Collections

  • (breaking-change) Make Hash#reject!, Hash#select!, and Hash#compact! consistent with Array and return self. (#9904, thanks @caspiano)
  • (breaking-change) Deprecate Hash#delete_if in favor of Hash#reject!, add Dequeue#reject! and Dequeue#select!. (#9878, thanks @caspiano)
  • (breaking-change) Change Set#delete to return Bool. (#9590, thanks @j8r)
  • (breaking-change) Drop deprecated Enumerable#grep. (#9711, thanks @j8r)
  • (breaking-change) Remove Hash#key_index . (#10016, thanks @asterite)
  • (breaking-change) Deprecate StaticArray#[]=(value) in favor of StaticArray#fill. (#10027, thanks @HertzDevil)
  • (breaking-change) Rename Set#{sub,super}set? to {sub,super}set_of?. (#10187, thanks @straight-shoota)
  • 🐎 (performance) Optimize Array#shift and Array#unshift. (#10081, thanks @asterite)
  • 🐎 (performance) Array#rotate optimization for small arrays. (#8516, thanks @wontruefree)
  • ⏪ Fix Hash#dup and Hash#clone to return correct type for subclasses. (#9871, thanks @vlazar) (Reverted by #10331 in 0.36.1)
  • 🛠 Fix Iterator#cons_pair return type. (#9788, thanks @asterite)
  • 🛠 Fix key type restriction of Hash#merge block. (#9495, thanks @MakeNowJust)
  • 🛠 Fix Range#step. (#10203, thanks @straight-shoota)
  • Let Range#step delegate to begin.step and allow float based ranges to be stepped. (#10209, thanks @straight-shoota)
  • 🛠 Fix Indexable#join with IO. (#10152, thanks @straight-shoota)
  • 🛠 Fix Flatten for value-type iterators. (#10096, thanks @f-fr)
  • Fix Indexable.range_to_index_and_count to not raise IndexError. (#10191, thanks @straight-shoota)
  • 👯 Handle recursive structures in def_clone, Hash, Array, Dequeue. (#9800, thanks @asterite)
  • ➕ Add BitArray#dup. (#9550, thanks @andremedeiros)
  • 👍 Allow Iterator#zip to take multiple Iterator arguments. (#9944, thanks @HertzDevil)
  • ➕ Add Iterator#with_object(obj, &). (#9956, thanks @HertzDevil)
  • Always clear unused bits of BitArrays. (#10008, thanks @HertzDevil)
  • ⚡️ Update Enumerable#sum(initial, &) docs. (#9860, thanks @jage)
  • ➕ Add Array#unsafe_build. (#10092, thanks @straight-shoota)
  • ➕ Add identity methods for #sum and #product. (#10151, thanks @straight-shoota)
  • 🚚 Move combinations, permutations, etc., from Array to Indexable. (#10235, thanks @wonderix)
  • 🚚 Move sampling methods to Enumerable. (#10129, thanks @HertzDevil)
  • 📚 Use Set#add in Set#add documentation. (#9441, thanks @hugopl)
  • 👌 Improve Hash#values_at docs. (#9955, thanks @j8r)

  Serialization

  • (breaking-change) Drop deprecated JSON.mapping. (#9527, thanks @bcardiff)
  • (breaking-change) Drop deprecated YAML.mapping. (#9526, thanks @bcardiff)
  • 🛠 Fix flag enum deserialization from Int64. (#10145, thanks @straight-shoota)
  • ➕ Add support for selective JSON and YAML serialization. (#9567, thanks @stakach)
  • YAML: correctly serialize infinity and NaN. (#9780, thanks @asterite)
  • YAML: allow using discriminator in contained types. (#9851, thanks @asterite)
  • Support more literal types in JSON::Serializable.use_json_discriminator macro. (#9222, thanks @voximity)
  • Support more literal types in YAML::Serializable.use_yaml_discriminator macro. (#10149, thanks @straight-shoota)
  • ➕ Add JSON serialization to big number types. (#9898, #10054, thanks @dukeraphaelng, @Sija)
  • 0️⃣ Handle namespaced defaults in JSON::Serializable and YAML::Serializable. (#9733, thanks @jgaskins)
  • Standardize YAML error location. (#9273, thanks @straight-shoota)
  • ⚡️ Update YAML::Field(converter) argument docs. (#9557, thanks @dscottboggs)
  • 👉 Use content instead of value when inspect XML::Attribute. (#9592, thanks @asterite)
  • 📜 Let JSON::PullParser#on_key yield self and return value. (#10028, thanks @straight-shoota)
  • Cleanup YAML/JSON Any#dig methods. (#9415, thanks @j8r)
  • 📜 Document JSON::PullParser. (#9983, thanks @erdnaxeli)
  • Clarify Serialization Converter requirements and examples. (#10202, thanks @Daniel-Worrall)

  Time

  • (breaking-change) Drop deprecated Time::Span.new variants. (#10051, thanks @Sija)
  • (breaking-change) Deprecate Time::Span#duration, use Time::Span#abs. (#10144, thanks @straight-shoota)
  • ➕ Add %Z time format directive. (#10141, thanks @straight-shoota)
  • 👌 Improve handling edge cases for Time::Location#load. (#10140, thanks @straight-shoota)
  • Enable pending specs. (#10093, thanks @straight-shoota)
  • 👌 Improve Time::Span arithmetic specs. (#10143, thanks @straight-shoota)

  Files

  • (breaking-change) Make File.size and FileInfo#size be Int64 instead of UInt64. (#10015, thanks @asterite)
  • (breaking-change) Fix FileUtils.cp_r when destination is a directory. (#10180, thanks @wonderix)
  • 🐧 Enable large-file support on i386-linux-gnu. (#9478, thanks @kubo)
  • 🛠 Fix glob not following symdir directories. (#9910, thanks @straight-shoota)
  • 🏁 Windows: allow creating symlinks without admin rights. (#9767, thanks @oprypin)
  • 🏁 Windows: allow touching directories. (#10284, thanks @straight-shoota)
  • 🛠 Fix Dir.glob when readdir doesn't report file type. (#9877, thanks @straight-shoota)
  • ➕ Add Path#stem. (#10037, thanks @straight-shoota)
  • Move File#fsync, File#flock_exclusive, File#flock_shared, and File#flock_unlock methods to IO::FileDescriptor. (#9794, thanks @naqvis)
  • 🏗 Call IO#flush on builder finish methods. (#9321, thanks @straight-shoota)
  • 👌 Support using Path in MIME and File::Error APIs. (#10034, thanks @Blacksmoke16)
  • 🏁 Windows: enable FileUtils specs. (#9902, thanks @oprypin)

  Networking

  • (breaking-change) Rename HTTP::Params to URI::Params. (#10098, thanks @straight-shoota)
  • (breaking-change) Rename URI#full_path to URI#request_target. (#10099, thanks @straight-shoota)
  • (breaking-change) URI::Params#[]= replaces all values. (#9605, thanks @asterite)
  • 🛠 Fix type of HTTP::Server::Response#closed? to Bool. (#9489, thanks @straight-shoota)
  • 🛠 Fix Socket#accept to obey read_timeout. (#9538, thanks @waj)
  • 🛠 Fix Socket to allow datagram over unix sockets. (#9838, thanks @bcardiff)
  • 🛠 Fix HTTP::Headers#== and HTTP::Headers#hash. (#10186, thanks @straight-shoota)
  • 👉 Make HTTP::StaticFileHandler serve pre-gzipped content. (#9626, thanks @waj)
  • ✂ Delete Content-Encoding and Content-Length headers after decompression in HTTP::Client::Response. (#5212, thanks @maiha)
  • Delay setup of HTTP::CompressHandler until content is written. (#9625, thanks @waj)
  • 👍 Allow HTTP::Client to work with any IO. (#9543, thanks @waj)
  • 👉 Make HTTP::Server don't override content-length if already set. (#9726, thanks @asterite)
  • Do not share underlying hash between URI::Params. (#9641, thanks @jgaskins)
  • ➕ Add HTTP::Cookie::SameSite::None. (#9262, thanks @j8r)
  • ➕ Add HTTP::Client logging and basic instrumentation. (#9756, thanks @bcardiff)
  • ➕ Add HTTP::Request#hostname+ utils. (#10029, thanks @straight-shoota)
  • ➕ Add URI#authority. (#10100, thanks @straight-shoota)
  • ➕ Add Socket::IPAddress#private?. (#9517, thanks @jgillich)
  • 👉 Make Socket::IpAddress a bit more type-friendly. (#9528, thanks @asterite)
  • 👉 Make specs pass in non-IPv6 environments. (#9438, thanks @jhass)
  • 👉 Make specs pending instead of failing in no multi-cast environments. (#9566, thanks @jhass)
  • ✂ Remove invalid optimization on Encoding. (#9724, thanks @asterite)
  • ⬇️ Drop RemoteAddressType private alias. (#9777, thanks @bcardiff)
  • ➕ Add documentation for HTTP::WebSocket. (#9761, #9778, thanks @ibraheemdev, @bcardiff)
  • 🛠 Fix HTTP docs. (#9612, #9627, #9717, thanks @RX14, @asterite, @3n-k1)
  • 🛠 Fix reference to TCP protocol in docs. (#9457, thanks @dprobinson)

  🌲 Logging

  • (breaking-change) Drop deprecated Logger. (#9525, thanks @bcardiff)
  • 🐎 (performance) Add logging dispatcher to defer entry dispatch from current fiber. (#9432, thanks @waj)
  • 🌲 Take timestamp as an argument in Log::Entry initializer. (#9570, thanks @Sija)
  • 👌 Improve docs regarding Log.setup. (#9497, #9559, thanks @caspiano, @jjlorenzo)

  Crypto

  • 🔒 (security) Fix "force-peer" verify_mode setup. (#9668, thanks @PhilAtWysdom)
  • 🔒 (security) Force secure renegotiation on server to prevent Secure Client-Initiated Renegotiation vulnerability attack. (#9815, thanks @bcardiff)
  • (breaking-change) Refactor Digest and introduce Digest::MD5, Digest::SHA1, Digest::SHA256, Digest::SHA512 backed by openssl. (#9864, thanks @bcardiff)
  • 🛠 Fix overflows in MD5 and SHA1. (#9781, thanks @bcardiff)
  • Add OpenSSL::SSL::Context#set_modern_ciphers and related methods to set ciphers and cipher suites in a more portable fashion. (#9814, #10298, thanks @bcardiff)
  • ➕ Add OpenSSL::SSL::Context#security_level. (#9831, thanks @bcardiff)
  • OpenSSL::digest add require for OpenSSL::Error. (#10173, thanks @wonderix)

  Concurrency

  • (breaking-change) Hide Channel internal implementation methods. (#9564, thanks @j8r)
  • Channel#close returns true unless the channel was already closed. (#9443, thanks @waj)
  • 👌 Support splat expressions inside spawn macro. (#10234, thanks @HertzDevil)
  • ✂ Remove incorrect note about negative timeout not triggering. (#10131, thanks @straight-shoota)

  System

  • 🛠 Fix Process.find_executable to check the found path is executable and add Windows support. (#9365, thanks @oprypin)
  • Add Process.parse_arguments and fix CRYSTAL_OPTS parsing. (#9518, thanks @MakeNowJust)
  • Port to NetBSD. (#9360, thanks @niacat)
  • ➕ Add note about raising IO::Error to Process methods. (#9894, thanks @straight-shoota)
  • Handle errors in User/Group from_name?/from_id? as not found. (#10182, thanks @wonderix)
  • define the SC_PAGESIZE constant on more platforms. (#9821, thanks @carlhoerberg)

  ⚙ Runtime

  • 🛠 Fix bug with passing many args then a struct in Win64 C lib ABI. (#9520, thanks @oprypin)
  • 🛠 Fix C ABI for AArch64. (#9430, thanks @jhass)
  • Disable LLVM Global Isel. (#9401, #9562, thanks @jhass, @bcardiff)
  • 🖨 Print original exception after failing to raise it. (#9220, thanks @jhass)
  • 🖨 Use Dwarf information on Exception::CallStack.print_frame and crash stacktraces. (#9792, #9852, thanks @bcardiff)
  • MachO: Handle missing LC_UUID. (#9706, thanks @bcardiff)
  • 👍 Allow WeakRef to compile with -Dgc_none. (#9806, thanks @bcardiff)
  • 🛠 Fix example in Crystal.main docs. (#9736, thanks @hugopl)
  • ➕ Add a C ABI spec for accepting a large struct - failing on Win32, AArch64. (#9534, thanks @oprypin)
  • Don't relativize paths outside of current directory in backtrace. (#10177, thanks @Sija)
  • Avoid loading DWARF if env var CRYSTAL_LOAD_DWARF=0. (#10261, thanks @bcardiff)
  • 🛠 Fix DWARF loading in FreeBSD. (#10259, thanks @bcardiff)
  • Print unhandled exceptions from main routine with #inspect_with_backtrace. (#10086, thanks @straight-shoota)

  Spec

  • (breaking-change) Add support for custom failure messages in expectations. (#10127, #10289, thanks @Fryguy, @straight-shoota)
  • 👍 Allow absolute file paths in crystal spec CLI. (#9951, thanks @KevinSjoberg)
  • 👍 Allow --link-flags to be used. (#6243, thanks @bcardiff)
  • 👌 Improve duration display in spec --profile. (#10044, thanks @straight-shoota)
  • ➕ Add exception handler in spec at_exit. (#10106, thanks @straight-shoota)

  Compiler

  • 🐎 (performance) Don't use init check for constants that are declared before read. (#9801, thanks @asterite)
  • 🐎 (performance) Don't use init check for class vars initialized before read. (#9995, thanks @asterite)
  • 🐎 (performance) Don't use init flag for string constants. (#9808, thanks @asterite)
  • ⚙ Run side effects for class var with constant initializer. (#10010, thanks @asterite)
  • 🛠 Fix VaList and disable va_arg for AArch64. (#9422, thanks @jhass)
  • 🛠 Fix cache corrupted when compilation is cancelled. (#9558, thanks @waj)
  • Consider select as an openning keyword in macros. (#9624, thanks @asterite)
  • 👉 Use function attribute frame-pointer. (#9361, thanks @kubo39)
  • Make missing __crystal_raise_overflow error more clear. (#9686, thanks @3n-k1)
  • Forbid calls with both block arg and block. (#10026, thanks @HertzDevil)
  • ➕ Add method name to frozen type error. (#10057, thanks @straight-shoota)
  • 🔒 Use file lock to avoid clashes between compilations. (#10050, thanks @asterite)
  • ➕ Add a couple of missing end locations to some nodes. (#10012, thanks @asterite)
  • Don't visit enum member expanded by macro twice. (#10105, thanks @asterite)
  • 🛠 Fix crash when matching arguments against splat restriction after positional parameters. (#10172, thanks @HertzDevil)
  • 🛠 Fix parsing of do end blocks inside parenthesis. (#10189, #10207, thanks @straight-shoota, @Sija)
  • 🛠 Fix regex parsing after then in case/when. (#10274, thanks @asterite)
  • 🛠 Fix error message for non-exhaustive case statements of 3 or more Bool/Enum values. (#10194, thanks @HertzDevil)
  • Forbid reopening generic types with different type var splats. (#10167, thanks @HertzDevil)
  • Apply stricter checks to macro names. (#10069, thanks @HertzDevil)
  • Reword error message when including/inheriting generic type without type vars. (#10206, thanks @HertzDevil)
  • 🖨 Print a message pointing to the online playground if compiled without it. (#9622, thanks @deiv)
  • 🖐 Handle typedef type restriction against alias type correctly. (#9490, thanks @MakeNowJust)
  • 🎉 Initial support LLVM 11.0 with known issue regarding optimizations #10220. (#9829, #10293, thanks @bcardiff)
  • ➕ Add support for --mcpu native. (#10264, #10276, thanks @BlobCodes, @bcardiff)
  • 🛠 Fix Process.run uses in compiler to handle exec failure. (#9893, #9911, #9913, thanks @straight-shoota, @bcardiff, @oprypin)
  • 🛠 Fix Command#report_warnings to gracefully handle missing Compiler#program. (#9866, thanks @straight-shoota)
  • ➕ Add Program#host_compiler. (#9920, thanks @straight-shoota)
  • ➕ Add Crystal::Path#name_size implementation. (#9380, thanks @straight-shoota)
  • ♻️ Refactor helper methods in call_error.cr. (#9376, thanks @straight-shoota)
  • Delegate def error location to implementing type. (#10159, thanks @straight-shoota)
  • ♻️ Refactor Crystal::Exception to Crystal::CodeError. (#10197, thanks @straight-shoota)
  • Refactor check_single_def_error_message. (#10196, thanks @straight-shoota)
  • Code clean-ups. (#9468, thanks @MakeNowJust)
  • ♻️ Refactors for compiler specs. (#9379, thanks @straight-shoota)
  • 🏁 Windows CI: Fix and enable compiler specs. (#9348, #9560, thanks @oprypin)

  Language semantics

  • (breaking-change) Handle union restrictions with free vars properly. (#10267, thanks @HertzDevil)
  • (breaking-change) Disallow keywords as block argument name. (#9704, thanks @asterite)
  • (breaking-change) Fix a-b -c incorrectly parsed as a - (b - c). (#9652, #9884, thanks @asterite, @bcardiff)
  • (breaking-change) Check abstract def implementations with splats, default values and keyword arguments. (#9585, thanks @waj)
  • (breaking-change) Make abstract def return type warning an error. (#9810, thanks @bcardiff)
  • (breaking-change) Error when abstract def implementation adds a type restriction. (#9634, thanks @waj)
  • (breaking-change) Don't interpret Proc typedefs as aliases. (#10254, thanks @HertzDevil)
  • (breaking-change) Remove the special logic of union of pointer and nil. (#9872, thanks @asterite)
  • Check abstract def implementations with double splats. (#9633, thanks @waj)
  • 👉 Make inherited hook work through generic instances. (#9701, thanks @asterite)
  • Attach doc comment to annotation in macro expansion. (#9630, thanks @MakeNowJust)
  • Marks else branch of exhaustive case as unreachable, improving resulting type. (#9659, thanks @Sija)
  • 👉 Make Pointer(T)#value= stricter for generic arguments. (#10224, thanks @asterite)
  • Extend type filtering of conditional clauses to arbitrary logical connectives. (#10147, thanks @HertzDevil)
  • 👌 Support NamedTuple instance restrictions in redefinition checks. (#10245, thanks @HertzDevil)
  • Respect block arg restriction when given block has a splat parameter. (#10242, thanks @HertzDevil)
  • 👉 Make overloads without double splat more specialized than overloads with one. (#10185, thanks @HertzDevil)
  • 👌 Support type splats inside explicit Unions in type restrictions. (#10174, thanks @HertzDevil)
  • 🛠 Fix splats on generic arguments. (#9859, thanks @asterite)
  • Correctly compute line number after macro escape. (#9858, thanks @asterite)
  • 🛠 Fix bug for C structs assigned to a type. (#9743, thanks @matthewmcgarvey)
  • Promote C variadic args as needed. (#9747, thanks @asterite)
  • 🛠 Fix parsing of def self./ and def self.%. (#9721, thanks @asterite)
  • 🛠 Fix ASTNode#to_s for parenthesized expression in block. (#9629, thanks @MakeNowJust)
  • Don't form a closure on typeof(@ivar). (#9723, thanks @asterite)
  • ➕ Add a few missing expanded.transform self. (#9506, thanks @asterite)
  • Treat super as special only if it doesn't have a receiver (i.e.: allow super user defined methods). (#10011, thanks @asterite)
  • 👍 Implement auto-casting in a better way. (#9501, thanks @asterite)
  • Try literal type first when autocasting to unions types. (#9610, thanks @asterite)
  • Correctly pass named arguments for previous_def and super. (#9834, thanks @asterite)
  • Turn proc pointer into proc literal in some cases to closure needed variables. (#9824, thanks @asterite)
  • 🛠 Fix proc of self causing multi-dispatch. (#9972, thanks @asterite)
  • 🛠 Fixes and improvements to closured variables. (#9986, thanks @asterite)
  • 🔀 Don't merge proc types but allow assigning them if they are compatible. (#9971, thanks @asterite)
  • Reset nilable vars inside block method. (#10091, thanks @asterite)
  • 🆓 Reset free vars before attempting each overload match. (#10271, thanks @HertzDevil)
  • 👍 Let offsetof support Tuples. (#10218, thanks @hugopl)

  Tools

  • Fetch git config correctly. (#9640, thanks @dorianmariefr)

  Formatter

  • Avoid adding a newline after comment before end. (#9722, thanks @asterite)
  • Apply string pieces combination even if heredoc has no indent. (#9475, thanks @MakeNowJust)
  • Correctly format named arguments like foo:bar. (#9740, thanks @asterite)
  • 🖐 Handle comment before do in a separate line. (#9762, thanks @asterite)
  • 🛠 Fix indent for the first comment of select when/else. (#10002, thanks @MakeNowJust)
  • ⬇️ Reduce redundant newlines at end of begin ... end. (#9741, thanks @MakeNowJust)
  • Let formatter normalize crystal language tag for code blocks in doc comments. (#10156, thanks @straight-shoota)
  • 🛠 Fix indentation of trailing comma in call with a block. (#10223, thanks @MakeNowJust)

  Doc generator

  • 🔗 Linkification: refactor, fix edge cases and add specs. (#9817, thanks @oprypin)
  • 📄 Exclude types from docs who are in nodoc namespaces. (#9819, thanks @Blacksmoke16)
  • 🛠 Fix link generation for lib type reference. (#9931, thanks @straight-shoota)
  • Correctly render underscores in code blocks. (#9822, thanks @Blacksmoke16)
  • 🛠 Fix some HTML in docs generator. (#9918, thanks @straight-shoota)
  • Correctly handle broken source code on syntax highlighting. (#9416, thanks @MakeNowJust)
  • 📄 Re-introduce canonical URL for docs generator. (#9917, thanks @straight-shoota)
  • 🔦 Expose "location" and "args_html" in doc JSON. (#10122, #10200, thanks @oprypin)
  • 🔦 Expose "aliased_html" in doc JSON, make "aliased" field nullable. (#10117, thanks @oprypin)
  • 👌 Support linking to section headings in same tab. (#9826, thanks @Blacksmoke16)
  • Do not highlight undef as a keyword, it's not. (#10216, thanks @rhysd)

  Others

  • CI improvements and housekeeping. (#9507, #9513, #9512, #9515, #9514, #9609, #9642, #9758, #9763, #9850, #9906, #9907, #9912, #10078, #10217, #10255, thanks @jhass, @bcardiff, @waj, @oprypin, @j8r, @Sija)
  • ➕ Add timeout to individual specs on multi-threading. (#9865, thanks @bcardiff)
  • 🎉 Initial AArch64 CI. (#9508, #9582, thanks @jhass, @waj)
  • ⚡️ Update distribution-scripts and use LLVM 10 on Linux packages. (#9710, thanks @bcardiff)
  • ⚡️ Update distribution-scripts and publish nightly packages to bintray. (#9663, thanks @bcardiff)
  • ⚡️ Update distribution-scripts to use Shards v0.13.0. (#10280, thanks @bcardiff)
  • 🎉 Initial Nix development environment. Use Nix for OSX CI instead of homebrew. (#9727, #9776, thanks @bcardiff)
  • Prevent recursive call in bin/crystal wrapper. (#9505, thanks @jhass)
  • 👍 Allow overriding CRYSTAL_PATH in bin/crystal wrapper . (#9632, thanks @bcardiff)
  • 👉 Makefile: support changing the current crystal via env var and argument. (#9471, thanks @bcardiff)
  • 👉 Makefile: improve supported LLVM versions message. (#10221, #10269, thanks @rdp, @straight-shoota)
  • ⚡️ Update CONTRIBUTING.md. (#9448, #10249, #10250, thanks @wontruefree, @sanks64, @straight-shoota)
  • ♻️ Refactor RedBlackTree sample to use an enum instead of symbols. (#10233, thanks @Sija)
  • ➕ Add security policy. (#9984, thanks @straight-shoota)
  • 📄 Use name: nightly in docs-versions.sh for HEAD. (#9915, thanks @straight-shoota)
  • 📄 Use canonical base url for generating docs. (#10007, thanks @straight-shoota)
  • ✂ Remove Vagrantfile. (#10033, thanks @straight-shoota)
  • ⚡️ Update NOTICE's copyright year to 2021. (#10166, thanks @matiasgarciaisaia)

• v0.35.1 Changes

  June 19, 2020

  Standard library

  Collections

  • ✂ Remove Hash#each type restriction to allow working with splats. (#9456, thanks @bcardiff)

  Networking

  • ⏪ Revert IO#write changes in 0.35.0 and let it return Nil. (#9469, thanks @bcardiff)
  • 🌲 Avoid leaking logging context in HTTP request handlers. (#9494, thanks @Blacksmoke16)

  Crypto

  • 👉 Use less strict cipher compatibility for OpenSSL client context. (#9459, thanks @straight-shoota)
  • 🛠 Fix Digest::Base block argument type restrictions. (#9500, thanks @straight-shoota)

  🌲 Logging

  • 🛠 Fix Log.context.set docs for hash based data. (#9470, thanks @bcardiff)

  Compiler

  • ⚠ Show warnings even if there are errors. (#9461, thanks @asterite)
  • 🛠 Fix parsing of {foo: X, typeof: Y} type. (#9453, thanks @MakeNowJust)
  • 🛠 Fix parsing of proc in hash of key type. (#9458, thanks @MakeNowJust)
  • 🏗 Revert debug level information changes in specs to fix 32 bits builds. (#9466, thanks @bcardiff)

  Others

  • CI improvements and housekeeping. (#9455, thanks @bcardiff)
  • Code formatting. (#9482, thanks @MakeNowJust)

• v0.35.0 Changes

  June 09, 2020

  Language changes

  • (breaking-change) Let case when be non-exhaustive, introduce case in as exhaustive. (#9258, #9045, thanks @asterite)
  • 👍 Allow ->@ivar.foo and ->@@cvar.foo expressions. (#9268, thanks @MakeNowJust)

  Macros

  • 👍 Allow executing OpAssign (+=, ||=, etc.) inside macros. (#9409, thanks @asterite)

  Standard library

  • (breaking-change) Refactor to standardize on first argument for methods receiving IO. (#9134, #9289, #9303, #9318, thanks @straight-shoota, @bcardiff, @oprypin)
  • (breaking-change) Cleanup Digest and OpenSSL::Digest. (#8426, thanks @didactic-drunk)
  • 🛠 Fix Enum#to_s for private enum. (#9126, thanks @straight-shoota)
  • Refactor Benchmark::IPS::Entry to use UInt64 in bytes_per_op. (#9081, thanks @jhass)
  • ➕ Add Experimental annotation and doc label. (#9244, thanks @bcardiff)
  • ➕ Add subcommands to OptionParser. (#9009, #9133, thanks @RX14, @Sija)
  • 👉 Make NamedTuple#sorted_keys public. (#9263, thanks @waj)
  • 🛠 Fix example codes in multiple places. (#9203, thanks @maiha)

  Macros

  • (breaking-change) Remove top-level assert_responds_to macro. (#9085, thanks @bcardiff)
  • (breaking-change) Drop top-level parallel macro. (#9097, thanks @bcardiff)
  • 🛠 Fix lazy property not forwarding annotations. (#9140, thanks @asterite)
  • ➕ Add host_flag? macro method, not affected by cross-compilation. (#9049, thanks @oprypin)
  • Add .each and .each_with_index to various macro types. (#9120, thanks @Blacksmoke16)
  • ➕ Add StringLiteral#titleize macro method. (#9269, thanks @MakeNowJust)
  • ➕ Add TypeNode methods to check what "type" the node is. (#9270, thanks @Blacksmoke16)
  • 🛠 Fix support TypeNode.name(generic_args: false) for generic instances. (#9224, thanks @Blacksmoke16)

  Numeric

  • (breaking-change) Add Int#digits, reverse BigInt#digits result. (#9383, thanks @asterite)
  • 🛠 Fix overflow checking for operations with mixed sign. (#9403, thanks @waj)
  • ➕ Add BigInt#factorial using GMP. (#9132, thanks @peheje)

  Text

  • ➕ Add String#titleize. (#9204, thanks @hugopl)
  • ➕ Add Regex#matches? and String#matches?. (#8989, thanks @MakeNowJust)
  • ➕ Add IO overloads to various String case methods. (#9236, thanks @Blacksmoke16)
  • 👌 Improve docs examples regarding Regex::MatchData. (#9010, thanks @MakeNowJust)
  • 👌 Improve docs on String methods. (#8447, thanks @jan-zajic)

  Collections

  • (breaking-change) Add Enumerable#first with fallback block. (#8999, thanks @MakeNowJust)
  • 🛠 Fix Array#delete_at bug with negative start index. (#9399, thanks @asterite)
  • 🛠 Fix Enumerable#{zip,zip?} when self is an Iterator. (#9330, thanks @mneumann)
  • 👉 Make Range#each and Range#reverse_each work better with end/begin-less values. (#9325, thanks @asterite)
  • 👌 Improve docs on Hash. (#8887, thanks @rdp)

  Serialization

  • (breaking-change) Deprecate JSON.mapping and YAML.mapping. (#9272, thanks @straight-shoota)
  • (breaking-change) Make INI a module. (#9408, thanks @j8r)
  • 🛠 Fix integration between record macro and JSON::Serializable/YAML::Serializable regarding default values. (#9063, thanks @Blacksmoke16)
  • 🛠 Fix XML.parse invalid mem access in multi-thread. (#9098, thanks @bcardiff, @asterite)
  • 🛠 Fix double string escape in XML::Node#content=. (#9300, thanks @straight-shoota)
  • 👌 Improve xpath regarding namespaces. (#9288, thanks @asterite)
  • Escape CDATA end sequences. (#9230, thanks @Blacksmoke16)
  • ➕ Add JSON and YAML serialization to Path. (#9156, thanks @straight-shoota)
  • Specify pkg-config name for libyaml. (#9426, thanks @jhass)
  • Specify pkg-config name for libxml2. (#9436, thanks @Blacksmoke16)
  • 👉 Make YAML specs robust against libyaml 0.2.5. (#9427, thanks @jhass)

  Time

  • (breaking-change) Support different number of fraction digits for RFC3339 time format. (#9283, thanks @waj)
  • 🛠 Fix parsing AM/PM hours. (#9334, thanks @straight-shoota)
  • 👌 Improve File.utime precision from second to 100-nanosecond on Windows. (#9344, thanks @kubo)

  Files

  • (breaking-change) Move Flate, Gzip, Zip, Zlib to Compress. (#8886, thanks @bcardiff)
  • (breaking-change) Cleanup File & FileUtils. (#9175, thanks @bcardiff)
  • 🛠 Fix realpath on macOS 10.15 (Catalina). (#9296, thanks @waj)
  • 🛠 Fix File#pos, File#seek and File#truncate over 2G on Windows. (#9015, thanks @kubo)
  • 🛠 Fix File.rename to overwrite the destination file on Windows, like elsewhere. (#9038, thanks @oprypin)
  • 🛠 Fix File's specs and related exception types on Windows. (#9037, thanks @oprypin)
  • ➕ Add support for Path arguments to multiple methods. (#9153, thanks @straight-shoota)
  • ➕ Add Path#each_part iterator. (#9138, thanks @straight-shoota)
  • ➕ Add Path#relative_to. (#9169, thanks @straight-shoota)
  • ➕ Add support for Path pattern to Dir.glob. (#9420, thanks @straight-shoota)
  • 🏁 Implement File#fsync on Windows. (#9257, thanks @kubo)
  • ♻️ Refactor Path regarding empty and .. (#9137, thanks @straight-shoota)

  Networking

  • (breaking-change) Make IO#skip, IO#write returns the number of bytes it skipped/written as Int64. (#9233, #9363, thanks @bcardiff)
  • (breaking-change) Improve error handling and logging in HTTP::Server. (#9115, #9034, thanks @waj, @straight-shoota)
  • (breaking-change) Change HTTP::Request#remote_address type to Socket::Address?. (#9210, thanks @waj)
  • 🛠 Fix flush methods to always flush underlying IO. (#9320, thanks @straight-shoota)
  • 🛠 Fix HTTP::Server sporadic failure in SSL handshake. (#9177, thanks @waj)
  • WebSocket shouldn't reply with same close code. (#9313, thanks @waj)
  • Ignore response body during WebSocket handshake. (#9418, thanks @waj)
  • Treat cookies which expire in this instant as expired. (#9061, thanks @RX14)
  • Set sync or flush_on_newline for standard I/O on Windows. (#9207, thanks @kubo)
  • Prefer HTTP basic authentication in OAuth2 client. (#9127, thanks @crush-157)
  • ⬆️ Defer request upgrade in HTTP::Server (aka: WebSockets). (#9243, thanks @waj)
  • 👌 Improve URI::Punycode, HTTP::WebSocketHandler, HTTP::Status documentation. (#9068, #9130, #9180, thanks @Blacksmoke16, @dscottboggs, @wontruefree)
  • ✂ Remove HTTP::Params::Builder#to_s, use underlying IO directly. (#9319, thanks @straight-shoota)
  • 🛠 Fixed some regular failing specs in multi-thread mode. (#9412, thanks @bcardiff)

  Crypto

  • 🔒 (security) Update SSL server secure defaults. (#9026, thanks @straight-shoota)
  • Add LibSSL NO_TLS_V1_3 option. (#9350, thanks @lun-4)

  🌲 Logging

  • (breaking-change) Rename Log::Severity::Warning to Warn. Drop Verbose. Add Trace and Notice. (#9293, #9107, #9316, thanks @bcardiff, @paulcsmith)
  • (breaking-change) Allow local data on entries via Log::Metadata and redesign Log::Context. (#9118, #9227, #9150, #9157, thanks @bcardiff, @waj)
  • (breaking-change) Split top-level Log::Metadata from Log::Metadata::Value, drop immutability via clone, improve performance. (#9295, thanks @bcardiff)
  • (breaking-change) Rework Log.setup_from_env and defaults. (#9145, #9240, thanks @bcardiff)
  • ➕ Add Log.capture spec helper. (#9201, thanks @bcardiff)
  • 🌲 Redesign Log::Formatter. (#9211, thanks @waj)
  • ➕ Add to_json for Log::Context. (#9101, thanks @paulcsmith)
  • ➕ Add Log::IOBackend#new with formatter named argument. (#9105, #9434, thanks @paulcsmith, @bcardiff)
  • 👍 Allow nil as context raw values. (#9121, thanks @bcardiff)
  • ➕ Add missing Log#with_context. (#9058, thanks @bcardiff)
  • 🛠 Fix types referred in documentation. (#9117, thanks @bcardiff)
  • 👍 Allow override context within logging calls. (#9146, thanks @bcardiff)
  • Check severity before backend. (#9400, thanks @asterite)

  Concurrency

  • (breaking-change) Drop Concurrent::Future and top-level methods delay, future, lazy. Use crystal-community/future.cr. (#9093, thanks @bcardiff)

  System

  • (breaking-change) Deprecate Process#kill, use Process#signal. (#9006, thanks @oprypin, @jan-zajic)
  • Process raises IO::Error (or subclasses). (#9340, thanks @waj)
  • ➕ Add Process.quote and fix shell usages in the compiler. (#9043, #9369, thanks @oprypin, @bcardiff)
  • 🏁 Implement Process support on Windows. (#9047, #9021, #9122, #9112, #9149, #9310, thanks @oprypin, @RX14, @kubo, @jan-zajic)
  • 🛠 Fix compile-time checking of dup3/clock_gettime methods definition. (#9407, thanks @asterite)
  • 👉 Use Int64 as portable Process.pid type. (#9019, thanks @oprypin)

  ⚙ Runtime

  • (breaking-change) Deprecate top-level fork. (#9136, thanks @bcardiff)
  • (breaking-change) Move Debug to Crystal namespace. (#9176, thanks @bcardiff)
  • 🛠 Fix segfaults when static linking with musl. (#9238, thanks @waj)
  • Allow calling at_exit inside at_exit. (#9388, thanks @asterite)
  • Rework DWARF loading and fix empty backtraces in musl. (#9267, thanks @waj)
  • ➕ Add DragonFly(BSD) support. (#9178, thanks @mneumann)
  • ➕ Add Crystal::System::Process to split out system-specific implementations. (#9035, thanks @oprypin)
  • 🚚 Move internal CallStack to Exception::CallStack. (#9076, thanks @bcardiff)
  • Specify pkg-config name for libevent. (#9395, thanks @jhass)

  Spec

  • Reference global Spec in be_a macro. (#9066, thanks @asterite)
  • ➕ Add -h short flag to spec runner. (#9164, thanks @straight-shoota)
  • 🛠 Fix crystal spec file paths on Windows. (#9234, thanks @oprypin)
  • ♻️ Refactor spec hooks. (#9090, thanks @straight-shoota)

  Compiler

  • (breaking-change) Improve compiler single-file run syntax to make it shebang-friendly #!. (#9171, thanks @RX14)
  • (breaking-change) Use Process.quote for crystal env output. (#9428, thanks @MakeNowJust)
  • (breaking-change) Simplify Link annotation handling. (#8972, thanks @RX14)
  • 🛠 Fix parsing of foo:"bar" inside call or named tuple. (#9033, thanks @asterite)
  • 🛠 Fix parsing of anonymous splat and block arg. (#9113, thanks @MakeNowJust)
  • 🛠 Fix parsing of unless inside macro. (#9024, #9167, thanks @MakeNowJust)
  • 🛠 Fix parsing of \ (backslash + space) inside regex literal to (space). (#9079, thanks @MakeNowJust)
  • 🛠 Fix parsing of ambiguous '+' and '-'. (#9194, thanks @max-codeware)
  • 🛠 Fix parsing of capitalized named argument. (#9232, thanks @asterite)
  • 🛠 Fix parsing of {[] of Foo, self.foo} expressions. (#9329, thanks @MakeNowJust)
  • 🛠 Fix cast fun function pointer to Proc. (#9287, thanks @asterite)
  • 🗄 Make compiler warn on deprecated macros. (#9343, thanks @bcardiff)
  • 👍 Basic support for Win64 C lib ABI. (#9387, thanks @oprypin)
  • 🏁 Make the compiler able to run on Windows and compile itself. (#9054, #9062, #9095, #9106, #9307, thanks @oprypin, @Sija)
  • ➕ Add docs regarding CRYSTAL_OPTS. (#9018, thanks @straight-shoota)
  • ✂ Remove Process.run("which") from compiler. (#9141, thanks @straight-shoota)
  • ♻️ Refactor type parser. (#9208, thanks @MakeNowJust)
  • ♻️ Refactor & clean-up in compiler. (#8781, #9195, thanks @rhysd, @straight-shoota)
  • ♻️ Refactor CrystalPath::Error. (#9359, thanks @straight-shoota)
  • ♻️ Refactor and improvements on spec_helper. (#9367, #9059, #9393, #9351, #9402, thanks @straight-shoota, @jhass, @oprypin)
  • Split general ABI specs from x86_64-specific ones, run on every platform. (#9384, thanks @oprypin)

  Language semantics

  • 🛠 Fix RegexLiteral#to_s output when first character of literal is whitespace. (#9017, thanks @MakeNowJust)
  • 🛠 Fix autocasting in multidispatch. (#9004, thanks @asterite)
  • 🛠 Fix propagation of annotations into other scopes. (#9125, thanks @asterite)
  • 🛠 Fix yield computation inside macro code. (#9324, thanks @asterite)
  • 🛠 Fix incorrect type generated with as? when type is a union. (#9417, #9435, thanks @asterite)
  • Don't duplicate instance var in inherited generic type. (#9433, thanks @asterite)
  • Ensure type_vars works for generic modules. (#9161, thanks @toddsundsted)
  • 0️⃣ Make autocasting work in default values against unions. (#9366, thanks @asterite)
  • Skip no closure check for non-Crystal procs. (#9248, thanks @jhass)

  Debugger

  • 👌 Improve debugging support. (#8538, thanks @skuznetsov)
  • 🚚 Move recent additions to DIBuilder to LLVMExt. (#9114, thanks @bcardiff)

  Tools

  Formatter

  • 🛠 Fix formatting of regex after some comments. (#9109, thanks @MakeNowJust)
  • 🛠 Fix formatting of &.!. (#9391, thanks @MakeNowJust)
  • Avoid crash on heredoc with interpolations. (#9382, thanks @MakeNowJust)
  • ♻️ Refactor: code clean-up. (#9231, thanks @MakeNowJust)

  Doc generator

  • 🛠 Fix links to methods with String default values. (#9200, thanks @bcardiff)
  • 🛠 Fix syntax highlighting of heredoc. (#9396, thanks @MakeNowJust)
  • 📄 Correctly attach docs before annotations to following types. (#9332, thanks @asterite)
  • 👍 Allow annotations and :ditto: in macro. (#9341, thanks @bcardiff)
  • ➕ Add project name and version to API docs. (#8792, thanks @straight-shoota)
  • ➕ Add version selector to API docs. (#9074, #9187, #9250, #9252, #9254, thanks @straight-shoota, @bcardiff)
  • 👉 Show input type path instead of full qualified path on generic. (#9302, thanks @MakeNowJust)
  • ✂ Remove README link in API docs. (#9082, thanks @straight-shoota)
  • ✂ Remove special handling for version tags in docs generator. (#9083, thanks @straight-shoota)
  • Refactor is_crystal_repo based on project name. (#9070, thanks @straight-shoota)
  • ♻️ Refactor Docs::Generator source link generation. (#9119, #9305, thanks @straight-shoota)

  Playground

  • 👍 Allow building compiler without 'playground', to avoid dependency on sockets. (#9031, thanks @oprypin)
  • ➕ Add support to jquery version 3. (#9028, thanks @deiv)

  Others

  • CI improvements and housekeeping. (#9012, #9129, #9242, #9370, thanks @bcardiff)
  • ⚡️ Update to Shards 0.11.1. (#9446, thanks @bcardiff)
  • Tidy up Makefile and crystal env output. (#9423, thanks @bcardiff)
  • Always include lib directory in the CRYSTAL_PATH. (#9315, thanks @waj)
  • Use SOURCE_DATE_EPOCH only to determine compiler date. (#9088, thanks @straight-shoota)
  • 🏁 Win CI: Bootstrap Crystal, build things on Windows, publish the binary. (#9123, #9155, #9144, #9346, thanks @oprypin)
  • Regenerate implementation tool sample. (#9003, thanks @nulty)
  • Avoid requiring non std-lib spec spec_helper. (#9294, thanks @bcardiff)
  • 👌 Improve grammar and fix typos. (#9087, #9212, #9368, thanks @MakeNowJust, @j8r)
  • 📄 Hide internal functions in docs. (#9410, thanks @bcardiff)
  • Advertise full crystal spec command for running a particular spec. (#9103, thanks @paulcsmith)
  • ⚡️ Update README. (#9225, #9163, thanks @danimiba, @straight-shoota)
  • 🛠 Fix LICENSE and add NOTICE file. (#3903, thanks @MakeNowJust)

• v0.34.0 Changes

  April 06, 2020

  Language changes

  • (breaking-change) Exhaustive case expression check added, for now it produces warnings. (#8424, #8962, thanks @asterite, @Sija)
  • Let Proc(T) be used as a Proc(Nil). (#8969, #8970, thanks @asterite)

  Standard library

  • (breaking-change) Replace Errno, WinError, IO::Timeout with RuntimeError, IO::TimeoutError, IO::Error, File::Error, Socket::Error, and subclasses. (#8885, thanks @waj)
  • (breaking-change) Replace Logger module in favor of Log module. (#8847, #8976, thanks @bcardiff)
  • (breaking-change) Move Adler32 and CRC32 to Digest. (#8881, thanks @bcardiff)
  • (breaking-change) Remove DL module. (#8882, thanks @bcardiff)
  • Enable more win32 specs. (#8683, #8822, thanks @straight-shoota)
  • 🚀 Make SemanticVersion::Prerelease comparable. (#8991, thanks @MakeNowJust)
  • 👉 Use flag?(:i386) instead of obsolete flag?(:i686). (#8863, thanks @bcardiff)
  • ✂ Remove Windows workaround using vsnprintf. (#8942, thanks @oprypin)
  • 🛠 Fixed docs broken link to ruby's prettyprint source. (#8915, thanks @matthin)
  • ⚡️ Update OptionParser example to exit on --help. (#8927, thanks @vlazar)

  Numeric

  • 🛠 Fixed Float32#to_s corner-case. (#8838, thanks @toddsundsted)
  • Fixed make Big*#to_u raise on negative values. (#8826, thanks @Sija)
  • Fixed BigDecimal#to_big_i regression. (#8790, thanks @Sija)
  • ➕ Add Complex#round. (#8819, thanks @miketheman)
  • Add Int#bit_length and BigInt#bit_length. (#8924, #8931, thanks @asterite)
  • 🛠 Fixed docs of Int#gcd. (#8894, thanks @nard-tech)

  Text

  • (breaking-change) Deprecate top-level with_color in favor of Colorize.with. (#8892, #8958, thanks @bcardiff, @oprypin)
  • ➕ Add overloads for String#ljust, String#rjust and String#center that take an IO. (#8923, thanks @asterite)
  • ➕ Add missing Regex#hash and Regex::MatchData#hash. (#8986, thanks @MakeNowJust)
  • ⬆️ Upgrade Unicode to 13.0.0. (#8906, thanks @Blacksmoke16)
  • ⏪ Revert deprecation of String#codepoint_at. (#8902, thanks @vlazar)
  • 🚚 Move Iconv to Crystal namespace. (#8890, thanks @bcardiff)

  Collections

  • 🛠 Fixed make Range#size raise on an open range. (#8829, thanks @Sija)
  • ➕ Add Enumerable#empty?. (#8960, thanks @Sija)
  • 🐎 (performance) Optimized Implementation of Array#fill for zero Values. (#8903, thanks @toddsundsted)
  • ♻️ Refactor Reflect to an Enumerable private definition. (#8884, thanks @bcardiff)

  Serialization

  • (breaking-change) Rename YAML::Builder.new with block to YAML::Builder.build. (#8896, thanks @straight-shoota)
  • ➕ Add XML.build_fragment. (#8813, thanks @straight-shoota)
  • ➕ Add CSV#rewind. (#8912, thanks @asterite)
  • Add Deque#from_json and Deque#to_json. (#8850, thanks @carlhoerberg)
  • 🏗 Call to IO#flush on CSV, INI, JSON, XML, and YAML builders. (#8876, thanks @asterite)
  • ➕ Add docs to Object.from_yaml. (#8800, thanks @wowinter13)

  Time

  • (breaking-change) Improve Time::Span initialization API with mandatory named arguments. (#8257, #8857, thanks @dnamsons, @bcardiff)
  • ➕ Add Time::Span#total_microseconds. (#8966, thanks @vlazar)

  Files

  • 🛠 Fixed multi-thread race condition by setting fd to -1 on closed File/Socket. (#8873, thanks @bcardiff)
  • 🛠 Fixed File.dirname with unicode chars. (#8911, thanks @asterite)
  • Add IO::Buffered#flush_on_newline back and set it to true for non-tty. (#8935, thanks @asterite)
  • Forward missing methods of IO::Hexdump to underlying IO. (#8908, thanks @carlhoerberg)

  Networking

  • (breaking-change) Correctly support WebSocket close codes. (#8975, #8981, thanks @RX14, @Sija)
  • 👉 Make HTTP::Client return empty body_io if content-length is zero. (#8503, thanks @asterite)
  • 🛠 Fixed UDP specs in the case of a local firewall. (#8817, thanks @RX14)
  • 🛠 Fixed MIME spec examples to not collide with actual registry. (#8795, thanks @straight-shoota)
  • 🛠 Fixed UNIXServer, and HTTP::WebSocket specs to ensure server is accepting before closing. (#8755, #8879, thanks @bcardiff)
  • ➕ Add type annotation to tls argument in HTTP. (#8678, thanks @j8r)
  • ➕ Add Location to HTTP::Request common header names. (#8992, thanks @mamantoha)

  Concurrency

  • ➕ Add docs on Future regarding exceptions. (#8860, thanks @rdp)
  • Disable occasionally failing Thread specs on musl. (#8801, thanks @straight-shoota)

  System

  • 🛠 Fixed typo on src/signal.cr. (#8805, thanks @lbguilherme)

  ⚙ Runtime

  • 🛠 Fixed exceptions not being inspectable when running binary from PATH. (#8807, thanks @willhbr)
  • 🚚 Move AtExitHandlers to Crystal namespace. (#8883, thanks @bcardiff)

  Compiler

  • (breaking-change) Drop disable_overflow compiler flag. (#8772, thanks @Sija)
  • 🛠 Fixed url in "can't infer block return type" error message. (#8869, thanks @nilium)
  • 🛠 Fixed typo in math interpreter error message. (#8941, thanks @j8r)
  • 0️⃣ Use CRYSTAL_OPTS environment variable as default compiler options. (#8900, thanks @bcardiff)
  • ⚠ Avoid using the default --exclude-warnings value if some is specified. (#8899, thanks @bcardiff)
  • 0️⃣ Honor LIBRARY_PATH as default library path, and allow linking with no explicit /usr/lib:/usr/local/lib paths. (#8948, thanks @bcardiff)
  • 🛠 Fix Windows LLVM globals codegen in non-single-module mode. (#8978, thanks @oprypin)
  • ➕ Add support for LLVM 10. (#8940, thanks @RX14)
  • ✂ Remove redundant calls to Object.to_s in interpolation in compiler's code. (#8947, thanks @veelenga)

  Language semantics

  • Type as NoReturn if calling method on abstract class with no concrete subclasses. (#8870, thanks @asterite)

  Tools

  • ➕ Add crystal init name validation. (#8737, thanks @straight-shoota)

  Doc generator

  • ⚠ Show warnings on docs command. (#8880, thanks @bcardiff)

  Others

  • CI improvements and housekeeping. (#8804, #8811, #8982, thanks @bcardiff, @oprypin)
  • ⚡️ Update to Shards 0.10.0. (#8988, thanks @bcardiff)
  • 🛠 Fix pretty_json sample. (#8816, thanks @asterite)
  • 🛠 Fix typos throughout the codebase. (#8971, thanks @Sija)

• v0.33.0 Changes

  February 14, 2020

  Language changes

  • 👍 Allow timeout in select statements. (#8506, #8705, thanks @bcardiff, @firejox, @vlazar)

  Macros

  • ➕ Add TypeNode#name(generic_args : BoolLiteral) to return TypeNode's name with or without type vars. (#8483, thanks @Blacksmoke16)

  Standard library

  • (breaking-change) Remove several previously deprecated methods and modules: PartialComparable, Crypto::Bcrypt::Password#==, HTTP::Server::Response#respond_with_error, JSON::PullParser::Kind#==, Symbol#==(JSON::PullParser::Kind), JSON::Token#type, String#at, Time.new, Time.now, Time.utc_now, URI.escape, URI.unescape. (#8646, #8596, thanks @bcardiff, @Blacksmoke16)
  • 🛠 Fixed docs wording. (#8606, #8784, thanks @fxn)
  • ➕ Add Object#in?. (#8720, #8723, thanks @Sija)
  • 👍 Allow to create an enum from a symbol. (#8634, thanks @bew)
  • ➕ Add VaList#next for getting the next element in a variadic argument list. (#8535, #8688, thanks @ffwff, @RX14)
  • ♻️ Refactor ARGF implementation. (#8593, thanks @arcage)
  • 🛠 Fixed specs of Colorize on dumb terminal. (#8673, thanks @oprypin)
  • 🛠 Fixed some specs on Win32. (#8670, thanks @straight-shoota)

  Numeric

  • ➕ Add BigInt#unsafe_shr. (#8763, thanks @asterite)
  • ♻️ Refactor Float#fdiv to use binary primitive. (#8662, thanks @bcardiff)

  Text

  • 🛠 Fixed \u0000 wrongly added on String#sub(Hash) replaces last char. (#8644, thanks @mimame)

  Collections

  • 🛠 Fixed Enumerable#zip to work with union types. (#8621, thanks @asterite)
  • 🛠 Fixed docs regarding Hash's initial_capacity. (#8569, thanks @r00ster91)

  Serialization

  • 👌 Improved JSON deserialization into union types. (#8689, thanks @KimBurgess)
  • 🛠 Fixed expected error message in libxml2 error spec. (#8699, thanks @straight-shoota)
  • 🛠 Fixed JSON::PullParser overflow handling. (#8698, thanks @KimBurgess)
  • 🛠 Fixed JSON::Any#dig?/YAML::Any#dig? on non-structure values. (#8745, thanks @Sija)

  Time

  • 🛠 Fixed Time#shift over date boundaries with zone offset. (#8742, thanks @straight-shoota)

  Files

  • (breaking-change) Deprecate File::Info#owner, and File::Info#group; use owner_id, and group_id. (#8007, thanks @j8r)
  • 🛠 Fixed Path.new receiving Path as first argument. (#8753, thanks @straight-shoota)
  • 🛠 Fixed File.size and File.info to work with Path parameters. (#8625, thanks @snluu)
  • 🛠 Fixed Path specs when ENV["HOME"] is unset. (#8667, thanks @straight-shoota)
  • Refactor Dir.mkdir_p to use Path#each_parent and make it work on Win32. (#8668, thanks @straight-shoota)
  • 🛠 Fixed IO::MultiWriter specs to close file before reading/deleting it. (#8674, thanks @oprypin)

  Networking

  • 🛠 Fixed invalid call to libevent and race conditions on closed IO when resuming readable/writable event. (#8707, #8733, thanks @bcardiff)
  • 🛠 Fixed unexpected EOF in terminated SSL connection. (#8540, thanks @rdp)
  • 🛠 Fixed HTTP::Cookie to support Int64 max-age values. (#8759, thanks @asterite)
  • 👌 Improve error message for getaddrinfo failure. (#8498, thanks @rdp)
  • Make IO::SysCall#wait_readable and IO::SysCall#wait_writable public, yet :nodoc:. (#7366, thanks @stakach)
  • ♻️ Refactor StaticFileHandler to use Path. (#8672, thanks @straight-shoota)
  • ✂ Remove fixed date in spec. (#8640, thanks @bcardiff)
  • ✂ Remove non-portable error message in TCPServer spec. (#8702, thanks @straight-shoota)

  Crypto

  • ➕ Add Crypto::Bcrypt::Password check for invalid hash value. (#6467, thanks @miketheman)
  • 👌 Improve documentation for Random::Secure. (#8484, thanks @straight-shoota)

  Concurrency

  • 🛠 Fixed Future(Nil) when the block raises. (#8650, thanks @lbguilherme)
  • 🛠 Fixed IO closing in multi-thread mode. (#8733, thanks @bcardiff)
  • 🛠 Fixed some regular failing specs in multi-thread mode. (#8592, #8643, #8724, #8761, thanks @bcardiff)
  • ➕ Add docs to Fiber. (#8739, thanks @straight-shoota)

  System

  • Enable system module for Win32 in prelude. (#8661, thanks @straight-shoota)
  • Handle exceptions raised at __crystal_sigfault_handler. (#8743, thanks @waj)

  ⚙ Runtime

  • 🛠 Fixed wrongly collected exception object by the GC. Ensure LibUnwind::Exception struct is not atomic. (#8728, thanks @waj)
  • 🛠 Fixed reporting of non-statement rows in DWARF backtrace. (#8499, thanks @rdp)
  • ➕ Add top level exception handler. (#8735, #8791, thanks @waj)
  • Try to open stdio in non-blocking mode. (#8787, thanks @waj)
  • 👍 Allow Crystal::System.print_error to use printf like format. (#8786, thanks @bcardiff)

  Spec

  • (breaking-change) Remove previously deprecated spec method assert. (#8767, thanks @Blacksmoke16)
  • Spec::JUnitFormatter output and options enhancements. (#8599, #8692, thanks @Sija, @bcardiff)

  Compiler

  • (breaking-change) Drop support for previously deprecated comma separators in enums and other cleanups. (#8657, thanks @bcardiff)
  • (breaking-change) Drop uppercase F32 and F64 float number suffixes. (#8782, thanks @rhysd)
  • 🛠 Fixed memory corruption issues by using LLVM's memset and memcpy that matches target machine. (#8746, thanks @bcardiff)
  • 🛠 Fixed ICE when trying to add type inside annotation. (#8628, thanks @asterite)
  • 🛠 Fixed ICE on typeof in an unused block. (#8695, thanks @asterite)
  • 🛠 Fixed ICE in case of wrong target triple. (#8710, thanks @Sija)
  • 🛠 Fixed ICE when raising a macro exception with empty message. (#8654, thanks @jan-zajic)
  • 🛠 Fixed parser bug macro with "eenum" in it. (#8760, thanks @asterite)
  • 🔄 Change CRYSTAL_PATH to allow shards to override std-lib. (#8752, thanks @bcardiff)

  Language semantics

  • 🛠 Fixed missing virtualization of Proc pointer. (#8757, thanks @asterite)
  • 🛠 Fixed type of vars after begin/rescue if all rescue are unreachable. (#8758, thanks @asterite)
  • 🛠 Fixed visibility propagation to macro expansions in all cases. (#8762, #8796, thanks @asterite)

  Tools

  • ⚡️ Update crystal init to handle .. (#8681, thanks @jethrodaniel)

  Formatter

  • 🛠 Fixed indent after comment inside indexer. (#8627, thanks @asterite)
  • 🛠 Fixed indent of comments at the end of a proc literal. (#8778, thanks @asterite)
  • 🛠 Fixed crash when formating comment after macro. (#8697, thanks @asterite)
  • 🛠 Fixed crash when formating exp.!. (#8768, thanks @asterite)
  • ✂ Removes unnecessary escape sequences. (#8619, thanks @RX14)

  Doc generator

  • (breaking-change) Deprecate ditto and nodoc in favor of :ditto: and :nodoc:. (#6362, thanks @j8r)
  • 📄 Skip creation of docs/ dir when not needed. (#8718, thanks @Sija)

  Others

  • CI improvements and housekeeping. (#8580, #8597, #8679, #8779, thanks @bcardiff, @j8r)
  • ➕ Add Windows CI using GitHub Actions. (#8676, thanks @oprypin)
  • ➕ Add Alpine CI using CircleCI. (#7420, thanks @straight-shoota)
  • 🏗 Build Alpine Docker images. (#8708, thanks @straight-shoota)
  • 👍 Allow Makefile to use lld if present (Linux only). (#8641, thanks @bcardiff)
  • Simplify script to determine installed LLVM version. (#8605, thanks @j8r)
  • ➕ Add CircleCI test summaries. (#8617, thanks @Sija)
  • ➕ Add helper scripts to identify working std-lib specs on Win32. (#8664, thanks @straight-shoota)

• v0.32.1 Changes

  December 18, 2019

  Standard library

  Collections

  • Fixed docs of Enumerable#each_cons_pair and Iterator#cons_pair. (#8585, thanks @arcage)

  Networking

  • 🛠 Fixed HTTP::WebSocket's on_close callback is called for all errors. (#8552, thanks @stakach)
  • 🛠 Fixed sporadic failure in specs with OpenSSL 1.1+. (#8582, thanks @rdp)

  Compiler

  Language semantics

  • Combine contiguous string literals before string interpolation. (#8581, thanks @asterite)

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