Carview!

[Feature] Add --sequential option to process files sequentially rather than in parallel.
[Performance] Update to latest Zopfli with greatly improved performance.
[Improvement] Reduce memory usage.
[Bugfix] Correct handling of grayscale conversion when ICC profile is present.

[Improvement] Improve optimization of APNG files (reductions still not supported yet).
[Improvement] Improve reductions for small images and ensure consistent results for repeat runs.
[Build] Add feature system-libdeflate to use the system-installed version of libdeflate.
[Misc] Strip C2PA metadata by default.

[Improvement] Add --keep display equivalent to --strip safe.
[Improvement] Add modified zeng palette sorting method, improving optimization of indexed images.
[Improvement] If only one filter is specified, guarantee to only use this one.
[Improvement] Evaluate low-depth indexed even if low-depth grayscale was already achieved.
[Bugfix] Fix battiato palette sorting method not being used if the input was not already indexed.
[Bugfix] Fix rare crash caused by a truncated palette.
[Build] Reduce size of binaries.
[Build] Add man page generation.
[Build] Publish deb archives for Linux.
[Misc] Bump minimum Rust version to 1.74.0.

⚠️ Due to a build issue, this release is not available on crates.io.

[Breaking] Remove --backup option. Use --out or --dir to preserve existing files.
[Breaking] Remove --check option. Use --nx --nz to perform a non-optimizing run.
[Breaking] API: Replace pretend option with OutFile::None.
[Breaking] API: Move preserve_attrs into OutFile::Path.
[Breaking] Default to removing interlacing. Use -i keep to retain existing interlacing.
[Feature] Add Raw API for creating optimised PNGs from raw image data.
[Feature] Add basic support for APNG files.
[Feature] Add --scale16 option to forcibly reduce 16-bit images to 8-bit.
[Improvement] Process multiple files in parallel.
[Improvement] Improve reductions, particularly for indexed or very small images.
[Improvement] Improve compression with latest version of libdeflate.
[Improvement] Recompress iCCP chunks.
[Improvement] Change recursive mode to only process .png/.apng files.
[Improvement] Add support for glob patterns in quotes on Windows.
[Improvement] Quieter default output logging, with multiple levels of verbosity.
[Bugfix] Fix deadlock when using oxipng within an existing Rayon thread pool.
[Bugfix] Fix early abort in recursive mode when a read error occurred.
[Bugfix] Fix losing aux chunks when there's more than one of the same type.
[Bugfix] Fix sometimes writing output even when it was larger.
[Misc] Revamp CI workflow to upload artifacts and generate binaries for additional architectures.
[Misc] Bump minimum Rust version to 1.66.0.

[Breaking] Revamp alpha optimization
[Bugfix] Fix grayscale depth reduction with tRNS pixel
[Bugfix] Fix fast mode with zopfli
[Improvement] Tweaks to interlacing and format display
[Improvement] Ability to reduce alpha channel to tRNS pixel
[Improvement] Performance improvements to colorspace reduction
[Misc] Disable image validation in release mode, as it is deemed no longer necessary

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