Log Message:
gnome-desktop: Update x11/gnome-desktop3 to 40.0

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Version 40.0
============

- No changes

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Version 40.rc
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- bg-slide-show: Always parse date/time integers in base 10
- thumbnail: Fix thumbnailing of CBZ with UTF-8 filenames
- thumbnail: Fix non-working thumbnailer in Flatpak
- Translation updates

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Version 40.beta
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- xkbinfo: Update iso639Ids but not iso3166Ids correctly in evdev
- Translation updates

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Version 40.alpha
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- Add support for x-large and xx-large thumbnail sizes (!99, Bastien Nocera)
- Make it easier to profile thumbnailers (!94, Bastien Nocera)
- thumbnailer: Cache GStreamer's plugin registry (!93, Bastien Nocera)
- Sandbox thumbnailers in Flatpaks (!92, Bastien Nocera)
- Change default input source to anthy for Japanese (#181, Takao Fujiwara)
- xkbinfo: use libxkbregistry to parse the rules files (!79, Peter Hutterer)
- Translation updates