When I launch Chrome, click on 1Password extension, type in my password to unlock, then click on the 1Password extension, the extension takes about 20 seconds to appear.
I also noticed when I edit something (like changing a password) in the 1Password Windows app, then click save, 1Password freezes for 5 seconds.
I checked the console, and anything I do in 1Password generates a bunch of these warnings:
W 2018-06-01 19:50:32Z 8,189,797ms Workspace 7 "opv attachment import failed, bad attachment signature and version. item uuid: .; attachment uuid: (UUID HERE)
1Password Version: 7.0.558
Extension Version: 22.214.171.124
OS Version: Windows 10 Pro 1803 17134.48
Sync Type: Dropbox