After I clicked flickering text on "Security Options and Warning" dialog box.
Steps to Reproduce:
1. LibreOffice > Preferences…
2. Security > Security Options and Warnings >
4. Security Options and Warnings
Flickering text on "Security Options and Warning" dialog box.
No more flickering.
User Profile Reset: Yes
Version: 220.127.116.11 / LibreOffice Community
Build ID: 9a9c6381e3f7a62afc1329bd359cc48accb6435b
CPU threads: 8; OS: Mac OS X 10.16; UI render: default; VCL: osx
Locale: en-GB (en_GB.UTF-8); UI: en-US
Created attachment 174577 [details]
Screen recorded video clip of flickering issue.
Confirming, flicking tooltips are a known problem, sadly so far no one wanted to work on this problem.
Looks like a duplicate of bug 105433.
*** This bug has been marked as a duplicate of bug 105433 ***