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A new setting relocates app data storage when Windows AppData is on a network share.
A new relocateUncUserData setting (1p only) moves app data storage to local AppData when Windows Roaming AppData is redirected to a network share via a UNC path, since Cowork's VM sandbox can't mount network paths. Relocation starts fresh, with no existing data carried over.
Names in the bundlerelocateUncUserData