Many months in the making, the Decky Loader developers have released version 3.0 of their Steam Deck plugin system, which works with the big Steam Families update.
So not much of interest, at least for me. Stability, UI.
”What's actually changed? Frankly, there's too many individual improvements to list. But some quick highlights:
For users it should provide a more stable experience overall. There's better error handling, more in-depth progress notifications for Decky and plugins. Along with Decky being properly usable without an internet connection. There's also various UI styling improvements. You should also hopefully never see the boot-loop problem again with some recent changes.”