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Pull requests: crystal-lang/crystal

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Pull requests list

Improve documentation for Process.run & co kind:docs topic:stdlib:system
#16618 opened Jan 27, 2026 by straight-shoota Loading…
@straight-shoota
Add specs for Process.run(shell: true) with PATH kind:specs topic:stdlib:system
#16617 opened Jan 27, 2026 by straight-shoota Loading…
@straight-shoota
2
Refactor Linux CI workflows topic:infrastructure/ci
#16615 opened Jan 27, 2026 by ysbaddaden Loading… 1.20.0
@ysbaddaden
3
Add Crystal::Config.path= for spec helper kind:specs topic:compiler
#16613 opened Jan 26, 2026 by straight-shoota Loading… 1.20.0
Lenient Fiber.current access on segfault handler
#16612 opened Jan 26, 2026 by bcardiff Loading… 1.20.0
10
Drop ENV["CRYSTAL_PATH"]= in spec helper kind:specs topic:compiler
#16610 opened Jan 24, 2026 by straight-shoota Loading…
7
Prefer with_env helper over mutating ENV in specs kind:refactor topic:stdlib:specs
#16608 opened Jan 23, 2026 by ysbaddaden Loading… 1.20.0
@ysbaddaden
2
Use _wexecvpe instead of mutating ENV in System::Process.try_replace (win32) kind:refactor platform:windows Windows support based on the MSVC toolchain / Win32 API topic:stdlib:runtime
#16607 opened Jan 23, 2026 by ysbaddaden • Draft
1 task
@ysbaddaden
4
Improve docs for Fiber::ExecutionContext kind:docs topic:multithreading topic:stdlib:runtime
#16602 opened Jan 23, 2026 by ysbaddaden • Draft
@ysbaddaden
5
Add ENV.unsafe_set and deprecate mutable methods on ENV deprecation kind:feature topic:multithreading topic:stdlib:runtime
#16601 opened Jan 23, 2026 by ysbaddaden • Draft
@ysbaddaden
3
Adds Sec-WebSocket-Protocol checks to HTTP::WebSocket::Protocol
#16600 opened Jan 23, 2026 by antondalgren Loading…
4
StringScanner convenience methods kind:feature topic:stdlib:text
#16595 opened Jan 20, 2026 by jneen Loading… 1.20.0
1
11
Improve cursor window format in StringScanner#inspect kind:refactor performance topic:stdlib:text
#16594 opened Jan 20, 2026 by jneen Loading… 1.20.0
9
Update devenv.lock topic:infrastructure
#16588 opened Jan 20, 2026 by github-actions bot Loading… 1.20.0
Add Pointer#align_up and #align_down kind:feature topic:stdlib:runtime
#16585 opened Jan 19, 2026 by BlobCodes Loading…
1
7
Add HTTP::EventSource for Server-Sent Events (SSE) support kind:feature topic:stdlib:networking
#16575 opened Jan 16, 2026 by Qard • Draft
4
Add support for Sec-WebSocket-Protocol to HTTP::WebSocketHandler kind:feature topic:stdlib:networking
#16574 opened Jan 16, 2026 by antondalgren Loading…
1
9
codegen should allow optional CPU features
#16571 opened Jan 16, 2026 by stakach Loading…
1
3
Use FdLock on all targets kind:feature topic:stdlib:system
#16569 opened Jan 15, 2026 by ysbaddaden Loading…
@ysbaddaden
3
PoC: immutable ENV + unsafe get/set + safe spec mock + optimizations deprecation kind:feature topic:multithreading topic:stdlib:runtime
#16567 opened Jan 12, 2026 by ysbaddaden • Draft
@ysbaddaden
1
Support short option bundling kind:feature topic:stdlib:runtime
#16563 opened Jan 10, 2026 by Qard Loading…
1
21
Improve performance of System::Time.monotonic on Windows performance platform:windows Windows support based on the MSVC toolchain / Win32 API topic:stdlib:time
#16555 opened Jan 6, 2026 by straight-shoota Loading…
@straight-shoota
1
Escape quotes in the filename within the location pragmas
#16549 opened Dec 31, 2025 by Sija Loading…
1
8
Ensure that heredoc lexing allows only valid identifiers breaking-change May have breaking effect in some edge cases. Mostly negligible, but still noteworthy. kind:bug A bug in the code. Does not apply to documentation, specs, etc. topic:compiler:parser
#16548 opened Dec 31, 2025 by Sija Loading…
1
2
feat: add constants with compiler flags
#16538 opened Dec 28, 2025 by atasoya Loading…
1
5
ProTip! What’s not been updated in a month: updated:<2025-12-27.