docs: amend 3.3.0 release notes with behavior-change and dependency details#235
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docs: amend 3.3.0 release notes with behavior-change and dependency details#235d-v-b wants to merge 1 commit into
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…etails Add pre-release clarifications to the 3.3.0 section: - zarr-developers#4141: note the read-time behavior change for structured-dtype arrays written by <= 3.2.1 with an explicitly non-native bytes-codec endian. - zarr-developers#3417: note that V3 metadata omitting endian for multi-byte dtypes now fails at open time with ValueError instead of assuming native order. - New Misc entry: typing_extensions >= 4.14 is now required (Sentinel), and the gpu extra skips CuPy on macOS. - zarr-developers#3963 / zarr-developers#3968: clarify that enum-specific idioms on the now-string attributes raise immediately (no deprecation cycle), while equality against enum members still holds. Assisted-by: ClaudeCode:claude-fable-5
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Pre-release amendments to the
## 3.3.0section ofdocs/release-notes.md, from the 3.3.0 pre-release audit (towncrier fragments are already consumed, so direct edits are correct here):endianwere stored un-swapped in violation of their metadata, and now read back byte-swapped; default (native)endiandata is byte-identical and unaffected.BytesCodeczarr-developers/zarr-python#3417 (BytesCodec.from_dict): notes that spec-noncompliant V3 metadata omittingendianfor multi-byte dtypes (third-party writers only) previously decoded as machine-native and now fails at open with an informativeValueError.typing_extensionsis now 4.14 (runtimeSentinel), and thegpuextra no longer installs CuPy on macOS (sys_platform != 'darwin'). Both verified againstpyproject.toml..value/.name→AttributeError; calling/subscripting/iterating the class →TypeError;isinstance→ alwaysFalse), while equality against enum members still evaluatesTrue. Error types verified empirically.Lint:
pre-commit run markdownlint-cli2andci/lint_docs.pyboth pass.🤖 Generated with Claude Code