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Set image pixels individually on 32-bit Windows#9492

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hugovk merged 1 commit intopython-pillow:mainfrom
radarhere:paste
Mar 26, 2026
Merged

Set image pixels individually on 32-bit Windows#9492
hugovk merged 1 commit intopython-pillow:mainfrom
radarhere:paste

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@radarhere radarhere commented Mar 25, 2026

The 32-bit Windows job has starting failing in main - https://github.com/python-pillow/Pillow/actions/runs/23538684238/job/68520371256#step:30:2212

        im.paste(fill_color, (-10, -10, 110, 110))
>       assert im.getbbox() == (0, 0, 100, 100)
E       assert None == (0, 0, 100, 100)
E        +  where None = getbbox()
E        +    where getbbox = <PIL.Image.Image image mode=RGB size=100x100 at 0x1320CB20>.getbbox

@hugovk
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hugovk commented Mar 25, 2026

Any idea why this has suddenly started failing? Some version change on the CI?

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It started failing when we switched from windows-2022 20260301.50.1 runner image to 20260317.73.1.

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hugovk commented Mar 26, 2026

It's failing on x86 for windows-2022 and windows-2025 (aka windows-latest) but passing on windows-2025-vs2026.

Runner details at https://github.com/actions/runner-images#available-images

It feels a bit like a compiler bug...

Anyway, I don't think we have anyone to dig deeper into this, so let's merge to fix the CI. And maybe we'll re-drop 32-bit Windows one of these days.

Thanks!

@hugovk hugovk merged commit 8e9068e into python-pillow:main Mar 26, 2026
110 of 111 checks passed
@radarhere radarhere deleted the paste branch March 26, 2026 12:43
luketainton pushed a commit to luketainton/repos_webexmemebot that referenced this pull request Apr 1, 2026
This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [pillow](https://github.com/python-pillow/Pillow) ([changelog](https://github.com/python-pillow/Pillow/releases)) | `<12.1.2,>=12.1.1` → `<12.2.1,>=12.2.0` | ![age](https://developer.mend.io/api/mc/badges/age/pypi/pillow/12.2.0?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/pillow/12.1.1/12.2.0?slim=true) |

---

### Release Notes

<details>
<summary>python-pillow/Pillow (pillow)</summary>

### [`v12.2.0`](https://github.com/python-pillow/Pillow/releases/tag/12.2.0)

[Compare Source](python-pillow/Pillow@12.1.1...12.2.0)

<https://pillow.readthedocs.io/en/stable/releasenotes/12.2.0.html>

#### Documentation

- Update 12.2.0 release notes [#&#8203;9522](python-pillow/Pillow#9522) \[[@&#8203;hugovk](https://github.com/hugovk)]
- Add loader plugins: AMOS abk, Atari Degas, 40+ more obscure formats via Netpbm [#&#8203;9482](python-pillow/Pillow#9482) \[[@&#8203;bitplane](https://github.com/bitplane)]
- Update Python versions [#&#8203;9515](python-pillow/Pillow#9515) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Jeffrey A. Clark -> Jeffrey 'Alex' Clark [#&#8203;9513](python-pillow/Pillow#9513) \[[@&#8203;aclark4life](https://github.com/aclark4life)]
- Add release notes for [#&#8203;9394](python-pillow/Pillow#9394), [#&#8203;9419](python-pillow/Pillow#9419) and [#&#8203;9456](python-pillow/Pillow#9456) [#&#8203;9467](python-pillow/Pillow#9467) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Add Amiga Workbench .info loader to 3rd party plugins list [#&#8203;9459](python-pillow/Pillow#9459) \[[@&#8203;bitplane](https://github.com/bitplane)]
- Merge PFM documentation into PPM [#&#8203;9434](python-pillow/Pillow#9434) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Update macOS tested Pillow versions [#&#8203;9431](python-pillow/Pillow#9431) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Fix CVE number [#&#8203;9430](python-pillow/Pillow#9430) \[[@&#8203;hugovk](https://github.com/hugovk)]

#### Dependencies

- Update xz to 5.8.3 [#&#8203;9523](python-pillow/Pillow#9523) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Update libjpeg-turbo to 3.1.4.1 [#&#8203;9507](python-pillow/Pillow#9507) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Update libpng to 1.6.56 [#&#8203;9499](python-pillow/Pillow#9499) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Update freetype to 2.14.3 [#&#8203;9485](python-pillow/Pillow#9485) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Updated libavif to 1.4.1 [#&#8203;9479](python-pillow/Pillow#9479) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Updated harfbuzz to 13.2.1 [#&#8203;9461](python-pillow/Pillow#9461) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Update Ghostscript to 10.7.0 [#&#8203;9469](python-pillow/Pillow#9469) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Update harfbuzz to 13.0.1 [#&#8203;9453](python-pillow/Pillow#9453) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Update libavif to 1.4.0 [#&#8203;9460](python-pillow/Pillow#9460) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Update freetype to 2.14.2 [#&#8203;9449](python-pillow/Pillow#9449) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Update actions/download-artifact action to v8 [#&#8203;9451](python-pillow/Pillow#9451) \[@&#8203;[renovate\[bot\]](https://github.com/apps/renovate)]
- Updated libpng to 1.6.55 [#&#8203;9425](python-pillow/Pillow#9425) \[[@&#8203;radarhere](https://github.com/radarhere)]

#### Testing

- Cleanup .spider extension in the same test where it is added [#&#8203;9517](python-pillow/Pillow#9517) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Run tests in parallel via tox for 3.5x speedup [#&#8203;9516](python-pillow/Pillow#9516) \[[@&#8203;hugovk](https://github.com/hugovk)]
- Enable colour in CI logs [#&#8203;9486](python-pillow/Pillow#9486) \[[@&#8203;hugovk](https://github.com/hugovk)]
- Update Ghostscript to 10.7.0 [#&#8203;9469](python-pillow/Pillow#9469) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Simplify TGA test code [#&#8203;9477](python-pillow/Pillow#9477) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Update tests to check for ValueError when encoding an empty image [#&#8203;9464](python-pillow/Pillow#9464) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Upgrade CI from `macos-15-intel` to `macos-26-intel` [#&#8203;9454](python-pillow/Pillow#9454) \[[@&#8203;hugovk](https://github.com/hugovk)]
- Add check-case-conflict hook [#&#8203;9446](python-pillow/Pillow#9446) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Specify platform when pulling docker image [#&#8203;9440](python-pillow/Pillow#9440) \[[@&#8203;radarhere](https://github.com/radarhere)]
- GHA: Cache libavif and webp builds for Ubuntu [#&#8203;9437](python-pillow/Pillow#9437) \[[@&#8203;hugovk](https://github.com/hugovk)]
- Update macOS tested Pillow versions [#&#8203;9431](python-pillow/Pillow#9431) \[[@&#8203;radarhere](https://github.com/radarhere)]

#### Other changes

- Check calloc return value [#&#8203;9527](python-pillow/Pillow#9527) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Check all allocs in the Arrow tree [#&#8203;9488](python-pillow/Pillow#9488) \[[@&#8203;wiredfool](https://github.com/wiredfool)]
- Reject non-numeric elements inside list coords [#&#8203;9526](python-pillow/Pillow#9526) \[[@&#8203;hugovk](https://github.com/hugovk)]
- Move variable declaration inside define [#&#8203;9525](python-pillow/Pillow#9525) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Resize tall images vertically first [#&#8203;9524](python-pillow/Pillow#9524) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Avoid overflow by not adding extents together [#&#8203;9520](python-pillow/Pillow#9520) \[[@&#8203;hugovk](https://github.com/hugovk)]
- Use long for glyph position [#&#8203;9518](python-pillow/Pillow#9518) \[[@&#8203;hugovk](https://github.com/hugovk)]
- Raise an error if the trailer chain loops back on itself [#&#8203;9519](python-pillow/Pillow#9519) \[[@&#8203;hugovk](https://github.com/hugovk)]
- Only read as much data from gzip-decompressed data as necessary [#&#8203;9521](python-pillow/Pillow#9521) \[[@&#8203;hugovk](https://github.com/hugovk)]
- Allow None extents in C setimage() [#&#8203;9504](python-pillow/Pillow#9504) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Use critical sections to protect FontObject [#&#8203;9498](python-pillow/Pillow#9498) \[[@&#8203;colesbury](https://github.com/colesbury)]
- Add ImageText.Text.wrap() to wrap text [#&#8203;9286](python-pillow/Pillow#9286) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Always call StubHandler open() when opening StubImageFile [#&#8203;9412](python-pillow/Pillow#9412) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Improved BCn overflow check [#&#8203;9043](python-pillow/Pillow#9043) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Image will never be None [#&#8203;9512](python-pillow/Pillow#9512) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Raise EOFError when seeking too far in PSD [#&#8203;9388](python-pillow/Pillow#9388) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Raise error if ImageGrab subprocess gives non-zero returncode [#&#8203;9321](python-pillow/Pillow#9321) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Allow for different palette entry sizes when correcting BMP pixel data offset [#&#8203;9472](python-pillow/Pillow#9472) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Ignore unspecified extra samples for TIFF separate planar configuration [#&#8203;9514](python-pillow/Pillow#9514) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Add PERF to lint and fix findings [#&#8203;9510](python-pillow/Pillow#9510) \[[@&#8203;hugovk](https://github.com/hugovk)]
- Switch iOS back to macos-15-intel [#&#8203;9509](python-pillow/Pillow#9509) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Catch struct.error [#&#8203;9505](python-pillow/Pillow#9505) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Check PyCapsule\_GetPointer and PyBytes\_FromStringAndSize return values [#&#8203;9508](python-pillow/Pillow#9508) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Fix missing null dereference checks [#&#8203;9489](python-pillow/Pillow#9489) \[[@&#8203;wiredfool](https://github.com/wiredfool)]
- CI: Retry failed downloads [#&#8203;9506](python-pillow/Pillow#9506) \[[@&#8203;hugovk](https://github.com/hugovk)]
- Use PyModule\_AddObjectRef [#&#8203;9503](python-pillow/Pillow#9503) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Release reference to encoder on error [#&#8203;9500](python-pillow/Pillow#9500) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Fixed AVIF and WEBP dealloc [#&#8203;9501](python-pillow/Pillow#9501) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Check PyType\_Ready return values [#&#8203;9502](python-pillow/Pillow#9502) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Check if PyObject\_CallMethod result is NULL [#&#8203;9494](python-pillow/Pillow#9494) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Do not use palette from grayscale or bilevel colorspace when reading JPEG2000 images [#&#8203;9468](python-pillow/Pillow#9468) \[[@&#8203;radarhere](https://github.com/radarhere)]
- If TGA v2 extension area specifies no alpha, fill alpha channel [#&#8203;9478](python-pillow/Pillow#9478) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Set image pixels individually on 32-bit Windows [#&#8203;9492](python-pillow/Pillow#9492) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Add error messages before returning NULL when encoding [#&#8203;9493](python-pillow/Pillow#9493) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Fix `_getxy` refcount leaks [#&#8203;9487](python-pillow/Pillow#9487) \[[@&#8203;hugovk](https://github.com/hugovk)]
- Fix invalid test font [#&#8203;9483](python-pillow/Pillow#9483) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Add Exif tag "FrameRate" [#&#8203;9470](python-pillow/Pillow#9470) \[[@&#8203;zhiyuanouyang](https://github.com/zhiyuanouyang)]
- Support reading JPEG2000 images with CMYK palettes [#&#8203;9456](python-pillow/Pillow#9456) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Simplify `setimage()` by always passing extents [#&#8203;9395](python-pillow/Pillow#9395) \[[@&#8203;radarhere](https://github.com/radarhere)]
- If bitmap buffer is empty, do not render anything [#&#8203;8324](python-pillow/Pillow#8324) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Change to ValueError when encoding an empty image [#&#8203;9394](python-pillow/Pillow#9394) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Add FontFile.to\_imagefont() [#&#8203;9419](python-pillow/Pillow#9419) \[[@&#8203;fjhenigman](https://github.com/fjhenigman)]
- \[pre-commit.ci] pre-commit autoupdate [#&#8203;9450](python-pillow/Pillow#9450) \[@&#8203;[pre-commit-ci\[bot\]](https://github.com/apps/pre-commit-ci)]
- Use walrus operator [#&#8203;9448](python-pillow/Pillow#9448) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Only close file handle in ImagePalette.save() if it was opened internally [#&#8203;9444](python-pillow/Pillow#9444) \[[@&#8203;bysiber](https://github.com/bysiber)]
- Fix `self.decode` typo [#&#8203;9445](python-pillow/Pillow#9445) \[[@&#8203;bysiber](https://github.com/bysiber)]
- Fix BMP RLE delta escape reading from wrong file position [#&#8203;9443](python-pillow/Pillow#9443) \[[@&#8203;bysiber](https://github.com/bysiber)]
- Correct error check when encoding AVIF images [#&#8203;9442](python-pillow/Pillow#9442) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Fix unexpected error when saving zero dimension images [#&#8203;9391](python-pillow/Pillow#9391) \[[@&#8203;radarhere](https://github.com/radarhere)]
- Use uppercase format ID for PALM [#&#8203;9435](python-pillow/Pillow#9435) \[[@&#8203;radarhere](https://github.com/radarhere)]

</details>

---

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---

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---

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<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4xMDIuNiIsInVwZGF0ZWRJblZlciI6IjQzLjEwMi42IiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJ0eXBlL2RlcGVuZGVuY2llcyJdfQ==-->

Reviewed-on: https://git.tainton.uk/repos/webexmemebot/pulls/579
Reviewed-by: Luke Tainton <luke@tainton.uk>
Co-authored-by: renovate[bot] <renovate-bot@git.tainton.uk>
Co-committed-by: renovate[bot] <renovate-bot@git.tainton.uk>
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