py(deps[dev]) uv 0.12.3 + dev package refresh - #1083
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why: 0.12.3 is the newest uv past the 3-day window this setup applies to package resolution (`exclude-newer` in the uv config, `min-release-age` in .npmrc). Toolchain pins are resolved by mise and are not gated by those settings, but holding the resolver binary itself to the same window keeps one policy rather than two. 0.12.4 (2026-08-13) and 0.12.5 (2026-08-14) are both inside the window and are deliberately skipped. what the release changes here: 0.12.2 adds CPython 3.14.7 and 0.12.3 adds 3.13.15, so the bare `3.14` and `3.13` entries in this file now resolve to those patch releases. The rest of the span is performance work that lands on every resolve: uv.lock parsing got faster for wheel and source-distribution entries, Linux startup initializes the workspace cache before spawning a thread, interpreter discovery no longer reads procfs, and conflict-heavy resolutions avoid materializing range complements. 0.12.2 also stops artifact sizes recorded in cached wheels from breaking older uv versions reading the same cache. - uv - https://github.com/astral-sh/uv/blob/0.12.2/CHANGELOG.md - https://github.com/astral-sh/uv/releases/tag/0.12.2 - https://github.com/astral-sh/uv/blob/0.12.3/CHANGELOG.md - https://github.com/astral-sh/uv/releases/tag/0.12.3
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Routine dependency sweep. Two commits, separated so each reverts on its
own.
.tool-versions(uv) uv 0.12.1 -> 0.12.3— 0.12.3 is the newest uvpast the 3-day window this setup applies to package resolution
(
exclude-newerin the uv config,min-release-agein.npmrc).Toolchain pins are resolved by mise and are not gated by those
settings, but holding the resolver binary to the same window keeps one
policy rather than two, which is the rule the previous bump in this
file recorded. 0.12.4 (2026-08-13) and 0.12.5 (2026-08-14) are both
inside the window and are deliberately skipped.
py(deps[dev]) Bump dev packages—uv lock --upgrade, nomanifest changes. Empty body by convention; the lockfile diff is the
report.
Verification
uv run ruff check .,uv run ruff format --check .,uv run mypyand the full pytest suite all pass at the branch tip. Run serially —
the tmux-backed suites in this family contend with each other under
parallel execution.