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@github-actions github-actions released this 10 Jun 13:08
· 27 commits to master since this release
v0.31.3
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Learn about vigilant mode.

Static-path perf fix. StaticFiles + Compression middleware
chain on slim container images (python:3.13-slim, distroless, etc.)
no longer runs inline brotli at default quality 11 on already-
compressed font payloads. Slim images ship no system MIME database,
so mimetypes.guess_type('foo.woff2') returned None,
StaticFiles fell back to application/octet-stream, and
Compression's skip list did not recognise the type — brotli ran on
~22 KB WOFF2 bodies, blocking the worker for tens of ms per request.

Changed

  • blackbull/middleware/static.py
    registers common web-asset MIME types at module import via
    mimetypes.add_type: font/woff, font/woff2, image/webp,
    image/avif, application/wasm. Idempotent; benefits every
    mimetypes.guess_type caller — not just StaticFiles.
  • blackbull/middleware/compression.py
    adds font/woff, font/woff2, application/font-woff,
    application/font-woff2 to _SKIP_CONTENT_TYPES. Belt-and-braces
    — the mime fix on its own resolves the deployed case, but the skip
    list keeps the middleware honest if a caller hand-sets a font
    Content-Type without the registration happening first. font/ttf
    / font/otf / font/sfnt are intentionally NOT skipped — those
    are uncompressed font tables that do benefit from gzip / brotli.

Added

  • Phase-trace observability (BB_PHASE_TRACE=1) gains finer marks
    inline in the HTTP/1 sender (start_arm_in, start_arm_out,
    body_arm_in, body_arm_out) and new AccessLogRecord fields for
    request Accept-Encoding / Range and response Content-Type /
    Content-Encoding. Each access-log line gains a
    req[ae=… range=…] resp[ct=… ce=…] trailer when phase trace is
    on. Off by default; no per-request overhead in production.
  • publish.yml now auto-creates a GitHub Release after the PyPI
    publish job succeeds, sourcing release notes from the matching
    ## [x.y.z] section in this file. v0.31.3 is the first release
    exercising this — the Release should appear at
    https://github.com/TOKUJI/BlackBull/releases/tag/v0.31.3
    automatically.

Notes

  • No public API change. No migration needed.
  • The static-path perf characteristics improve materially when
    serving WOFF / WOFF2 fonts behind Compression middleware on slim
    container images; deployments on hosts with a populated
    /etc/mime.types (Debian with mime-support, Ubuntu, macOS) were
    already fine and see no change.
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