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Release 0.27.0 #6992

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Release 0.27.0
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169 changes: 169 additions & 0 deletions CHANGELOG.md
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# 0.27.0 (2018-11-??)

## Language changes

- **(breaking-change)** Disallow comma after newline in argument list. ([#6514](https://github.com/crystal-lang/crystal/pull/6514), thanks @asterite)

### Macros

- Add `Generic#resolve` and `Generic#resolve?` macro methods. ([#6617](https://github.com/crystal-lang/crystal/pull/6617), thanks @asterite)

## Standard library

- Fixed `v1`, `v2`, `v3`, `v4`, `v5` methods of `UUID`. ([#6952](https://github.com/crystal-lang/crystal/pull/6952), thanks @r00ster91)
- Fixed multiple docs typos and phrasing in multiple places. ([#6778](https://github.com/crystal-lang/crystal/pull/6778), [#6963](https://github.com/crystal-lang/crystal/pull/6963), thanks @r00ster91)
- Fixes `Pointer`/`UInt` subtraction. ([#6994](https://github.com/crystal-lang/crystal/pull/6994), thanks @damaxwell)
- Add stack overflow detection. ([#6928](https://github.com/crystal-lang/crystal/pull/6928), [#6995](https://github.com/crystal-lang/crystal/pull/6995), thanks @damaxwell)
- Add caller file and line to `Nil#not_nil!`. ([#6712](https://github.com/crystal-lang/crystal/pull/6712), thanks @yeeunmariakim)
- Restrict `Enum#parse`/`Enum#parse?` to `String` arguments. ([#6654](https://github.com/crystal-lang/crystal/pull/6654), thanks @vladfaust)
- Refactor and unify printing exceptions from within fibers. ([#6594](https://github.com/crystal-lang/crystal/pull/6594), thanks @Sija)
- Improve docs on properties generated by `property?`. ([#6682](https://github.com/crystal-lang/crystal/pull/6682), thanks @epergo)
- Add docs to top level namespace constants. ([#6971](https://github.com/crystal-lang/crystal/pull/6971), thanks @r00ster91)

### Macros
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- Fix typos in `StringLiteral#gsub` and `#tr` errors. ([#6925](https://github.com/crystal-lang/crystal/pull/6925), thanks @r00ster91)

### Numeric

- **(breaking-change)** Disallow `rand` with zero value. ([#6686](https://github.com/crystal-lang/crystal/pull/6686), thanks @oprypin)
- **(breaking-change)** Let `==` and `!=` compare the values instead of bits when dealing with signed vs unsigned integers. ([#6689](https://github.com/crystal-lang/crystal/pull/6689), thanks @asterite)
- Fixed `Int#downto` with unsigned int. ([#6678](https://github.com/crystal-lang/crystal/pull/6678), thanks @gmarcais)
- Add wrapping arithmetics operators `&+` `&-` `&*`. ([#6890](https://github.com/crystal-lang/crystal/pull/6890), thanks @bcardiff)
- Add floor divisions operator `Int#//` and `Float#//`. ([#6891](https://github.com/crystal-lang/crystal/pull/6891), thanks @bcardiff)
- Add random support for `BigInt`. ([#6687](https://github.com/crystal-lang/crystal/pull/6687), thanks @oprypin)
- Add docs related to `Float::Printer::*`. ([#5438](https://github.com/crystal-lang/crystal/pull/5438), thanks @Sija)

### Text

- Add `String::Builder#chomp!` returns self. ([#6583](https://github.com/crystal-lang/crystal/pull/6583), thanks @Sija)
- Add `:default` to colorize and document `ColorRGB`, `Color256`. ([#6427](https://github.com/crystal-lang/crystal/pull/6427), thanks @r00ster91)
- Add `String::Formatter` support for `c` flag and improve docs. ([#6758](https://github.com/crystal-lang/crystal/pull/6758), thanks @r00ster91)

### Collections

- **(breaking-change)** Replace `Indexable#at` with `#fetch`. ([#6296](https://github.com/crystal-lang/crystal/pull/6296), thanks @AlexWayfer)
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- Add `Hash/Indexable#dig/dig?`. ([#6719](https://github.com/crystal-lang/crystal/pull/6719), thanks @Sija)
- Add `Iterator.chain` to chain array of iterators. ([#6570](https://github.com/crystal-lang/crystal/pull/6570), thanks @xqyww123)
- Add `NamedTuple#to_h` over empty tuples. ([#6628](https://github.com/crystal-lang/crystal/pull/6628), thanks @icyleaf)
- Optimize `Indexable#join` when all elements are strings. ([#6635](https://github.com/crystal-lang/crystal/pull/6635), thanks @asterite)
- Optimize `Array#skip`. ([#6946](https://github.com/crystal-lang/crystal/pull/6946), thanks @asterite)

### Serialization

- Fixed `YAML::Schema::FailSafe.parse` and `parse_all`. ([#6790](https://github.com/crystal-lang/crystal/pull/6790), thanks @r00ster91)
- Fixed order of `xmlns` and prefix in `XML::Builder#namespace`. ([#6743](https://github.com/crystal-lang/crystal/pull/6743), thanks @yeeunmariakim)
- Fixed `CSV.build` quoting of `Char` and `Symbol`. ([#6904](https://github.com/crystal-lang/crystal/pull/6904), thanks @maiha)
- Fixed docs for `JSON::Serializable`. ([#6950](https://github.com/crystal-lang/crystal/pull/6950), thanks @Heaven31415)
- Add `XML::Attributes#delete`. ([#6910](https://github.com/crystal-lang/crystal/pull/6910), thanks @joenas)
- Add ability to quote values always in `CSV.build`. ([#6723](https://github.com/crystal-lang/crystal/pull/6723), thanks @maiha)
- Refactor how empty properties are handled in `JSON::Serializable` and `YAML::Serializable`. ([#6539](https://github.com/crystal-lang/crystal/pull/6539), thanks @r00ster91)

### Time

- **(breaking-change)** Rename `Time#epoch` to `Time#to_unix`. Also `#epoch_ms` to `#unix_ms`, and `#epoch_f` to `#to_unix_f`. ([#6662](https://github.com/crystal-lang/crystal/pull/6662), thanks @straight-shoota)
- Fixed spec for `Time::Location.load_local` with `TZ=nil`. ([#6740](https://github.com/crystal-lang/crystal/pull/6740), thanks @straight-shoota)
- Add support for ISO calendar week to `Time`. ([#6681](https://github.com/crystal-lang/crystal/pull/6681), thanks @straight-shoota)
- Add `Time::Format` support for `%G`, `%g`, `%V`. ([#6681](https://github.com/crystal-lang/crystal/pull/6681), thanks @straight-shoota)
- Add `Time::Location` loader support for Windows. ([#6363](https://github.com/crystal-lang/crystal/pull/6363), thanks @straight-shoota)
- Add `Time#to_local_in` to change time zone while keeping wall clock. ([#6572](https://github.com/crystal-lang/crystal/pull/6572), thanks @straight-shoota)
- Add `Time::UNIX_EPOCH` and drop private `UNIX_SECONDS` constant. ([#6908](https://github.com/crystal-lang/crystal/pull/6908), thanks @j8r)
- Change `Time::DayOfWeek` to ISO ordinal numbering based on `Monday = 1`. ([#6555](https://github.com/crystal-lang/crystal/pull/6555), thanks @straight-shoota)
- Refactor time specs. ([#6574](https://github.com/crystal-lang/crystal/pull/6574), thanks @straight-shoota)
- Add docs for singular method aliases, add `Int#microsecond` alias. ([#6297](https://github.com/crystal-lang/crystal/pull/6297), thanks @Sija)

### Files

- **(breaking-change)** Remove `Tempfile`. Use `File.tempfile` or `File.tempname`. ([#6485](https://github.com/crystal-lang/crystal/pull/6485), thanks @straight-shoota)
- Fixed missing closed status check of FDs when creating a subprocess. ([#6641](https://github.com/crystal-lang/crystal/pull/6641), thanks @Timbus)
- Fixed `ChecksumReader.write` error message. ([#6889](https://github.com/crystal-lang/crystal/pull/6889), thanks @r00ster91)
- Add `File#delete`, `Dir#tempdir` and improve `File` docs. ([#6485](https://github.com/crystal-lang/crystal/pull/6485), thanks @straight-shoota)
- Add `File#fsync` to flush all data written into the file to the disk device. ([#6793](https://github.com/crystal-lang/crystal/pull/6793), thanks @carlhoerberg)
- Add `DEVNULL` to docs. ([#6642](https://github.com/crystal-lang/crystal/pull/6642), thanks @r00ster91)
- Improve checks for FreeBSD version due to breaking API changes. ([#6629](https://github.com/crystal-lang/crystal/pull/6629), thanks @myfreeweb)
- Improve performance of `Zlib::Reader`, `Gzip::Reader` and `Flate::Reader` by including `IO::Buffered`. ([#6916](https://github.com/crystal-lang/crystal/pull/6916), thanks @asterite)
- Refactor `Crystal::System::FileDescriptor` to use `@fd` ivar directly. ([#6703](https://github.com/crystal-lang/crystal/pull/6703), thanks @straight-shoota)
- Refactor `{Zlib,Gzip,Flate}::Reader#unbuffered_rewind` to use `check_open`. ([#6958](https://github.com/crystal-lang/crystal/pull/6958), thanks @Sija)

### Networking

- **(breaking-change)** Remove deprecated alias `HTTP::Server#bind_ssl`. Use `HTTP::Server#bind_tls`. ([#6699](https://github.com/crystal-lang/crystal/pull/6699), thanks @straight-shoota)
- Add `Socket::Address#pretty_print` and `#inspect`. ([#6704](https://github.com/crystal-lang/crystal/pull/6704), thanks @straight-shoota)
- Add `Socket::IPAddress` loopback, unspecified and broadcast methods/constants. ([#6710](https://github.com/crystal-lang/crystal/pull/6710), thanks @straight-shoota)
- Fixed `Socket#reuse_port?` if `SO_REUSEPORT` is not supported. ([#6706](https://github.com/crystal-lang/crystal/pull/6706), thanks @straight-shoota)
- Fixed `TCPServer` handling of `reuse_port`. ([#6940](https://github.com/crystal-lang/crystal/pull/6940), thanks @RX14)
- Add docs to demonstrate parameters for `HTTP::Client`. ([#5145](https://github.com/crystal-lang/crystal/pull/5145), thanks @HCLarsen)
- Add docs examples to `Socket::Server#accept`. ([#6705](https://github.com/crystal-lang/crystal/pull/6705), thanks @straight-shoota)
- Refactor `socket_spec.cr` into separate files. ([#6700](https://github.com/crystal-lang/crystal/pull/6700), thanks @straight-shoota)
- Refactor specs of `HTTP::Client` to remove inheritance for test server. ([#6909](https://github.com/crystal-lang/crystal/pull/6909), thanks @straight-shoota)
- Improve specs for `HTTP::Server#close`. ([#5958](https://github.com/crystal-lang/crystal/pull/5958), thanks @straight-shoota)
- Improve specs for socket. ([#6711](https://github.com/crystal-lang/crystal/pull/6711), thanks @straight-shoota)

### Crypto

- Fixed OpenSSL bindings to work with LibreSSL. ([#6917](https://github.com/crystal-lang/crystal/pull/6917), thanks @LVMBDV)
- Add support for OpenSSL 1.1.1. ([#6738](https://github.com/crystal-lang/crystal/pull/6738), thanks @ysbaddaden)

### Concurrency

- Improve POSIX threads integration regarding locking, error and resource management. ([#6944](https://github.com/crystal-lang/crystal/pull/6944), thanks @ysbaddaden)
- Remove unintended public methods from `Channel`. ([#6714](https://github.com/crystal-lang/crystal/pull/6714), thanks @asterite)
- Refactor `Fiber`/`Scheduler` to isolate responsibilities. ([#6897](https://github.com/crystal-lang/crystal/pull/6897), thanks @ysbaddaden)
- Refactor specs that relied on `Fiber.yield` behavior. ([#6953](https://github.com/crystal-lang/crystal/pull/6953), thanks @ysbaddaden)

### System

- Fixed fork and signal child handlers. ([#6426](https://github.com/crystal-lang/crystal/pull/6426), thanks @ysbaddaden)
- Use blocking `IO` on a TTY if it can't be reopened. ([#6660](https://github.com/crystal-lang/crystal/pull/6660), thanks @Timbus)
- Refactor `Process` in preparation for Windows support. ([#6744](https://github.com/crystal-lang/crystal/pull/6744), thanks @RX14)

### Spec

- Allow `pending` to be used without blocks. ([#6732](https://github.com/crystal-lang/crystal/pull/6732), thanks @tswicegood)
- Add `be_empty` expectation. ([#6614](https://github.com/crystal-lang/crystal/pull/6614), thanks @mamantoha)
- Add specs for expectations methods. ([#6512](https://github.com/crystal-lang/crystal/pull/6512), thanks @rodrigopinto)
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## Compiler

- Fixed don't "ambiguous match" if there's an exact match. ([#6618](https://github.com/crystal-lang/crystal/pull/6618), thanks @asterite)
Comment thread
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- Fixed allow annotations inside enums. ([#6713](https://github.com/crystal-lang/crystal/pull/6713), thanks @asterite)
Comment thread
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- Fixed `super` inside macros will honor arguments. ([#6638](https://github.com/crystal-lang/crystal/pull/6638), thanks @asterite)
- Fixed guessed ivar type from splat arguments. ([#6648](https://github.com/crystal-lang/crystal/pull/6648), thanks @MakeNowJust)
- Fixed `ASTNode#to_s` of non-unary operator call without argument. ([#6538](https://github.com/crystal-lang/crystal/pull/6538), thanks @MakeNowJust)
- Fixed `ASTNode#to_s` for multiline macro expression. ([#6666](https://github.com/crystal-lang/crystal/pull/6666), thanks @MakeNowJust)
- Fixed `ASTNode#to_s` for `{% verbatim do %} ... {% end %}`. ([#6665](https://github.com/crystal-lang/crystal/pull/6665), thanks @MakeNowJust)
- Fixed empty case statement normalization. ([#6915](https://github.com/crystal-lang/crystal/pull/6915), thanks @straight-shoota)
- Fixed codegen of tuple elements with unreachable elements. ([#6659](https://github.com/crystal-lang/crystal/pull/6659), thanks @MakeNowJust)
- Fixed parsing of `//` corner cases. ([#6927](https://github.com/crystal-lang/crystal/pull/6927), thanks @bcardiff)
- Fixed recursive block expansion check for non `ProcNotation` restriction. ([#6932](https://github.com/crystal-lang/crystal/pull/6932), thanks @MakeNowJust)
- Fixed corner case of expressions not typed on main phase but typed on cleanup phase. ([#6720](https://github.com/crystal-lang/crystal/pull/6720), thanks @MakeNowJust)
- Improve error traces regarding `return`, `next` and `break`. ([#6633](https://github.com/crystal-lang/crystal/pull/6633), thanks @asterite)
- Add resolve generics typenodes in macros. ([#6617](https://github.com/crystal-lang/crystal/pull/6617), thanks @asterite)
- Add support for multiple output values in inline asm. ([#6680](https://github.com/crystal-lang/crystal/pull/6680), thanks @RX14)
- Improve parsing of `asm` operands. ([#6688](https://github.com/crystal-lang/crystal/pull/6688), thanks @RX14)
- Refactor rescue block codegen for Windows. ([#6649](https://github.com/crystal-lang/crystal/pull/6649), thanks @RX14)

## Tools

- Improve installation section in README template. ([#6914](https://github.com/crystal-lang/crystal/pull/6914), [#6942](https://github.com/crystal-lang/crystal/pull/6942), thanks @r00ster91)
- Improve contributors section in README template. ([#7005](https://github.com/crystal-lang/crystal/pull/7005), thanks @r00ster91)

### Formatter

- Fixed formatting of `{% verbatim do %} ... {% end %}` outside macro. ([#6667](https://github.com/crystal-lang/crystal/pull/6667), thanks @MakeNowJust)
- Fixed formatting of `//` corner cases. ([#6927](https://github.com/crystal-lang/crystal/pull/6927), thanks @bcardiff)
- Improve formatting of `asm` operands. ([#6688](https://github.com/crystal-lang/crystal/pull/6688), thanks @RX14)

### Doc generator

- Add support for comments after `:nodoc:` marker. ([#6627](https://github.com/crystal-lang/crystal/pull/6627), thanks @Sija)
- Fixed browser performance issue with blur filter. ([#6764](https://github.com/crystal-lang/crystal/pull/6764), thanks @girng)
- Accessibility improvement in search field. ([#6926](https://github.com/crystal-lang/crystal/pull/6926), thanks @jodylecompte)

## Others

- CI improvements and housekeeping. ([#6658](https://github.com/crystal-lang/crystal/pull/6658), [#6739](https://github.com/crystal-lang/crystal/pull/6739), [#6930](https://github.com/crystal-lang/crystal/pull/6930), thanks @bcardiff, @RX14)
- Add `VERSION` file and support for specifying the build commit. ([#6966](https://github.com/crystal-lang/crystal/pull/6966), thanks @bcardiff)
- Add support for specifying the build date. ([#6788](https://github.com/crystal-lang/crystal/pull/6788), thanks @peterhoeg)
- Update Contributing section in `README.md`. ([#6911](https://github.com/crystal-lang/crystal/pull/6911), thanks @r00ster91)

# 0.26.1 (2018-08-27)

## Language changes
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2 changes: 1 addition & 1 deletion VERSION
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0.27.0-dev
0.27.0