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crystal-1.21.1-windows-x86_64-gnu-unsupported.zip 2026-09-26 63.6 MB
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crystal-1.21.1-windows-aarch64-gnu-unsupported.zip 2026-09-26 62.4 MB
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crystal-1.21.1-windows-x86_64-msvc-unsupported.exe 2026-09-26 37.4 MB
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crystal-1.21.1-windows-x86_64-msvc-unsupported.zip 2026-09-26 53.9 MB
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crystal-1.21.1-docs.tar.gz 2026-09-26 17.3 MB
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crystal-1.21.1-1.universal.pkg 2026-09-26 59.5 MB
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crystal-1.21.1-1-darwin-universal.tar.gz 2026-09-26 59.3 MB
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crystal-1.21.1-1-linux-aarch64-bundled.tar.gz 2026-09-26 54.4 MB
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crystal-1.21.1-1-linux-aarch64.tar.gz 2026-09-26 54.1 MB
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crystal-1.21.1-1-linux-x86_64-bundled.tar.gz 2026-09-26 58.2 MB
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crystal-1.21.1-1-linux-x86_64.tar.gz 2026-09-26 57.9 MB
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1.21.1 source code.tar.gz 2026-09-26 4.2 MB
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README.md 2026-09-26 1.6 kB
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Totals: 14 Items   587.6 MB 0

Bugfixes

stdlib

  • (collection) [regression] Override Channel#tap(&) to reinstate original behaviour (#17296, thanks @straight-shoota)
  • (networking) [security] Fix HTTP::Request::Processor resuming connection on unconsumed request (#17434, thanks @straight-shoota)
  • (networking) Fix non-blocking Socket#connect on Unix (#17436, thanks @ysbaddaden)
  • (networking) [security] Fix HTTP::Server::RequestProcessor to consume request body before upgrade (#17466, thanks @straight-shoota)
  • (networking) [security] Fix do not automatically decompress HTTP request body (#17476, thanks @straight-shoota)
  • (serialization) Fix XML::Node#namespace for node types without namespace (#17435, thanks @straight-shoota)
  • (serialization) Fix YAML::Any#hash with self-referencing containers (#17477, thanks @straight-shoota)

Infrastructure

  • Add changelog for 1.21.1 (#17478, thanks @straight-shoota)
  • Update distribution-scripts (#17480, thanks @straight-shoota)
Source: README.md, updated 2026-09-26