Granian 2.0.0

[gi0baro]

What's Changed

New features

• Experimental support for free-threaded Python
• runtime-blocking-threads option
• blocking-threads-idle-timeout option
• http1-header-read-timeout option
• PyPy 3.11 support
• Embeddable server variant in granian.server.embed module

Changes

• uvloop dependency is now optional and gated behind the relevant dependency extra
• BREAKING renamed threads option to runtime-threads
• BREAKING blocking-threads option now affects Python interop threads only
• BREAKING removed threading-mode in favor of runtime-mode
  • previous workers option is now st
  • previous runtime option is now mt
• BREAKING blocking-threads is now limited to 1 on ASGI and RSGI protocols
• rust task implementation is now available on Python < 3.12 only
• Removed PGO builds
• Bump dependencies

Enhancements

• Refactor the Rust task implementation
• Refactor the Python blocking threadpool
• Refactor application protocols failure handling
• Re-export loops registry to facilitate customisations
• Added warn messages for most common workers/threads misconfigurations
• Review README's workers, threads and backpressure sections
• Added range validations on all the relevant HTTP/2 options
• Added back custom allocators, with jemalloc as default option and mimalloc as gated feature, used by default in the following cases:
  • MUSL builds
  • Windows builds
  • Python 3.13t
• Avoid to strip symbols from release builds

---

This discussion was created from the release Granian 2.0.0.