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@jwz@mastodon.social

2026-10-01 18:09 UTC

XScreenSaver thumbnails. Dear Lazyweb, any idea why XScreenSaver thumbnail images are no longer showing up in System Settings on macOS 27? Works fine on macOS 14.7. The .saver bundles have "Resources/thumbnail.png" or @2X@mastodon.social files. I've even tried using... https://jwz.org/b/ylAQ

Replies (3)

  • @glyph@mastodon.social 2026-10-01 18:12

    @jwz@mastodon.social I wish I had something specific to offer, but the best I've got is that there were a bunch of code-signing changes specific to screen savers in macOS 26; does this have an ad-hoc signature or a proper public developer ID one?

    Open ##4907160

  • @HalfCap@mastodon.social 2026-10-01 18:50

    @jwz@mastodon.social Bad cache entries?: $ getconf DARWIN_USER_CACHE_DIR $ ls /com.apple.wallpaper.extension.legacy/com.apple.wallpaper.legacy.thumbnails/ I must say that I abandoned running .savers on 27. I get about one run out of the legacyScreenSaver process before it locks up and/or starts eating CPU. Reboot after that is the only way to get it “working” again. Also, options panels not opening, etc. It’s basically broken as far as I can tell, at least in my setup. Worked in 26.

    Open ##4907711

  • @jwz@mastodon.social 2026-10-03 05:37

    Somehow the "Afterglow" .saver manages to have thumbnails too, but I can't tell what they're doing differently...

    Open ##4915884