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NotificationPresenterWin was using SHA1HashString(origin.spec()) directly as the basename for the temporary PNG written for toast icons. SHA1HashString returns raw digest bytes, so the generated filename could contain invalid path characters on Windows. That caused WriteFile to fail when saving notification icons, which left toast XML without the expected icon path. Hex-encode the digest before appending .png so the temporary filename is filesystem-safe while keeping deterministic naming for a given origin. Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>
Co-authored-by: Robo <hop2deep@gmail.com> Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>
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ckerr
approved these changes
Mar 25, 2026
jkleinsc
approved these changes
Mar 26, 2026
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Backport of #50454
See that PR for details.
Notes: Fixed a bug where Windows notification icons could fail to save because their temporary filenames contained invalid characters.