3.5.1 changelog

content/en/changelog/3.5.1.md

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+---
+title: 3.5.1
+menu:
+  changelogs:
+    parent: '3.5'
+weight: -351
+date: 2026-10-17
+---
+
+### Platform Support
+
+#### Windows
+
+- Report Windows 11 correctly to the update checker.
+
+#### macOS
+
+- Fix a crash on startup on macOS 13 and other macOS releases with an older system libc++.
+- Allow Automation scripts to load native modules that aren't signed by Aegisub's developer again.
+- Report macOS 11 and later correctly to the update checker.
+
+### Automation
+
+- Fix controls in script dialogs coming out smaller than intended with newer wxWidgets versions.
+- Make `include()` and `require()` report the actual syntax error for broken Lua and MoonScript files, rather than the module name or "attempt to call a nil value".
+- Fix runtime errors in scripts loaded with `include()` crashing Aegisub on some platforms.
+- Fix detection of files starting with a UTF-8 BOM on platforms where `char` is unsigned.
+- Add `aegisub.version`, which lets scripts check the version of Aegisub they're running in.
+
+### Bugfixes
+
+- Fix a crash when the video display keeps failing to render, e.g. due to a persistent OpenGL error.
+- Make changing underline in the font dialog set `\u` rather than toggling italics.
+- Fix the `LayoutResY` computed when resampling a script that has a `LayoutRes` while adding or removing top or bottom borders.
+
+### Improvements
+
+- Let the video, audio, keyframe, and timecode file dialogs start in the current script's folder when the last such file was opened from its script's folder.
+- Show each track's language and title in the track selection dialog.
+- List only the file types the active audio and video providers support in the file dialogs' filters.
+
+### Translations
+
+- Update the Korean translation.
+
+### Development
+
+- Fix building with LuaJIT's external unwinding and with some GCC versions.
+- Build the bundled FFmpeg without unused components.