When the devtools.performance.recording.ui-base-url pref is pointing another url, the "enable profiler menu button" button becomes disabled.
Currently it looks like the text is a bit difficult to read when it's disabled. I checked the devtools accessibility panel and it gives a warning on the contrast:

┆Issue is synchronized with this Jira Task
When the
devtools.performance.recording.ui-base-urlpref is pointing another url, the "enable profiler menu button" button becomes disabled.Currently it looks like the text is a bit difficult to read when it's disabled. I checked the devtools accessibility panel and it gives a warning on the contrast:

┆Issue is synchronized with this Jira Task