We have just shipped an updated Steam Deck Client to the Preview/Beta channel.
General
Private games will no longer show on family sharing accounts
Steam Cloud
Fix uploading for some apps which have a very large number of files
Fix sync for some apps which store files in the Windows user home directory
Steam Input
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Fixed a crash related to non-Steam Shortcuts
Source: https://store.steampowered.com/news/app ... 3463551365