1.10.0

Features

lang

• Add unlimited block unpacking (#11597, thanks @asterite)

stdlib

• Add more Colorize::Mode flags (#13745, thanks @HertzDevil)
• (collection) Add Hash#put_if_absent (#13590, thanks @HertzDevil)
• (collection) Add Set#rehash (#13630, thanks @HertzDevil)
• (collection) Add yield key in Hash#transform_values and value in #transform_keys (#13608, thanks @baseballlover723)
• (crypto) Upgrade SSL defaults to Mozilla guidelines version 5.7 (#13685, thanks @straight-shoota)
• (crypto) [security] Allow OpenSSL clients to choose cipher (#13695, thanks @carlhoerberg)
• (files) Add File#rename (#13640, thanks @carlhoerberg)
• (llvm) Support LLVM 17 (#13782, thanks @HertzDevil)
• (networking) Add overloads for URI::Params.encode with IO parameter (#13798, thanks @jwoertink)
• (numeric) Add Complex#to_i128, Complex#to_u128 (#13838, thanks @HertzDevil)
• (runtime) Add additional fields to GC:ProfStats (#13734, thanks @carlhoerberg)
• (serialization) Support YAML deserialization of 128-bit integers (#13834, thanks @HertzDevil)
• (serialization) Support 128-bit integers in JSON::PullParser#read? (#13837, thanks @HertzDevil)
• (specs) [breaking] Change spec runner to exit with failure for focus: true (#13653, thanks @straight-shoota)
• (text) Add String#byte_index(Char) (#13819, thanks @funny-falcon)
• (time) Support Android's system timezone database (#13666, thanks @HertzDevil)

compiler

• Experimental: Add Slice.literal for numeric slice constants (#13716, thanks @HertzDevil)

tools

• Add tool unreachable (#13783, thanks @straight-shoota)
• (dependencies) Add crystal tool dependencies (#13631, thanks @straight-shoota)
• (docs-generator) Add CSS for tables (#13822, thanks @nobodywasishere)
• (hierarchy) Support generic types in crystal tool hierarchy (#13715, thanks @HertzDevil)
• (playground) Update octicons to v19.5.0 (#13738, thanks @GeopJr)

Bugfixes

lang

• (macros) Fix missing normalization of macro expressions (and others) (#13709, thanks @asterite)
• (macros) Fix block parameter unpacking inside macros (#13813, thanks @HertzDevil)

stdlib

• (collection) [breaking] Mark the return type of methods such as Slice#copy_to as Nil (#13774, thanks @erdian718)
• (files) Change IO::Buffered#peek's return type to Bytes (#13863, thanks @HertzDevil)
• (llvm) Chop git suffix from LibLLVM::VERSION (#13699, thanks @HOMODELUNA)
• (macros) Do not add trailing + in TypeNode#id for virtual types (#13708, thanks @HertzDevil)
• (numeric) Fix BigDecimal#round for large digit counts in base 10 (#13811, thanks @HertzDevil)
• (serialization) Set encoding in XML.parse_html explicitly to UTF-8 (#13705, thanks @straight-shoota)
• (serialization) Fix error message when parsing unknown JSON enum value (#13728, thanks @willhbr)
• (serialization) Fix YAML scalar type validation error message (#13771, thanks @MistressRemilia)
• (serialization) Fix incorrect overflow in UInt64.from_yaml (#13829, thanks @HertzDevil)
• (system) Fix Process.new with nilable chdir parameter on Windows (#13768, thanks @straight-shoota)
• (system) Fix typo in unistd.cr (#13850, thanks @kojix2)
• (text) Fix Char::Reader#each bounds check after block (#13817, thanks @straight-shoota)
• (text) Minor fixup for HTML.decode_codepoint (#13843, thanks @straight-shoota)

compiler

• [breaking] Remove double .cr.cr extension in require path lookup (#13749, thanks @straight-shoota)
• (parser) Fix end location for FunDef (#13789, thanks @straight-shoota)
• (semantic) Fix lookup scope for @[Primitive] def's return type (#13658, thanks @HertzDevil)
• (semantic) Fix typo in call_error.cr (#13764, thanks @kojix2)

tools

• (docs-generator) Fix octicon-link icon color on dark mode (#13670, thanks @GeopJr)
• (docs-generator) Allow word breaks between module names in docs (#13827, thanks @nobodywasishere)
• (docs-generator) Fix docs dark mode dropdown background on blink (#13840, thanks @GeopJr)
• (init) Fix shard crystal version in crystal init (#13730, thanks @xendk)
• (hierarchy): Fix byte sizes for Procs inside extern structs (#13711, thanks @HertzDevil)

Performance

stdlib

• Optimize IO::Delimited (#11242, thanks @asterite)
• (crypto) Use IO::DEFAULT_BUFFER_SIZE in Digest#update (#13635, thanks @carlhoerberg)
• (crypto) Fix memory leak in OpenSSL::SSL::Socket#peer_certificate (#13785, thanks @compumike)
• (files) Optimize IO#read_string(0) (#13732, thanks @jgaskins)
• (files) Avoid double file buffering (#13780, thanks @carlhoerberg)
• (llvm) Refactor LLVM.default_target_triple to avoid regex (#13659, thanks @straight-shoota)
• (numeric) Pre-allocate Dragonbox cache array (#13649, thanks @HertzDevil)
• (runtime) Avoid realloc callstack array when unwinding (#13781, thanks @carlhoerberg)
• (time) Optimize the constructors of Time::Span (#13807, thanks @erdian718)

Refactor

stdlib

• Do not use nilable Pointers (#13710, thanks @HertzDevil)
• (collection) Use Set(T) instead of Hash(T, Bool) (#13611, thanks @HertzDevil)
• (concurrency) Use Fiber.inactive inside Fiber#run's ensure block (#13701, thanks @HertzDevil)
• (crypto) Use JSON::Serializable in scripts/generate_ssl_server_defaults.cr (#13667, thanks @HertzDevil)
• (crypto) Refactor narrow OpenSSL requires for digest implementations (#13818, thanks @straight-shoota)
• (networking) [deprecation] Add types to HTTP::StaticFileHandler (#13778, thanks @jkthorne)

compiler

• Restrict some boolean properties to Bool in the compiler (#13614, thanks @HertzDevil)

Documentation

stdlib

• (crypto) Fix docs for Digest::SHA512 (#13796, thanks @jgaskins)
• (files) Document Dir#mkdir, Dir#exists? (#13795, thanks @jkthorne)
• (networking) Add documentation for HTTP::Headers#add (#13762, thanks @jkthorne)
• (text) Fix typo in regex.cr (#13751, thanks @beta-ziliani)

Specs

stdlib

• (numeric) Update specs for Int::Primitive.from_json (#13835, thanks @HertzDevil)
• (numeric) Remove overflowing Float#to_u! interpreter primitive specs (#13737, thanks @HertzDevil)
• (time) Clear Time::Location cache before .load_android specs (#13718, thanks @HertzDevil)

Infrastructure

• Update previous Crystal release - 1.9.2 (#13650, thanks @straight-shoota)
• Update distribution-scripts (#13776, thanks @straight-shoota)
• make: Add generate_data target for running generator scripts (#13700, thanks @straight-shoota)
• Add shell completions for clear_cache (#13636, thanks @straight-shoota)
• New changelog format (#13662, thanks @straight-shoota)
• Detect developer mode in Windows installer (#13681, thanks @HertzDevil)
• Update PGP key link (#13754, thanks @syeopite)
• Fix log format in update-distribution-scripts.sh (#13777, thanks @straight-shoota)
• (ci) Trigger windows release jobs on tag (#13683, thanks @straight-shoota)
• (ci) Update GH Actions (#13748, thanks @renovate)
• (ci) Refactor crystal_bootstrap_version (#13845, thanks @straight-shoota)