As in the title, I've a clear and easy to reproduce issue: I do not see any new entity added in my vault (from iOS/Android/macOS), on the last beta of windows app. Also any entity created on windows app, does not appear in any other device I've used to logged in in my 1Password account.
And, deleting an entity from windows, there is no way to clear the recycle bin.
1Password Version: 7.4.750
Extension Version: NA
OS Version: Windows 10 Pro - version 1909 - build 18363.657
Sync Type: 1Password sync service