(Really, I guess this is conditional on when we're ready to toggle `layout.css.details-content.enabled` (added in bug 1901037's patch, guarding that patch's code for now) to `true`. Maybe/probably we can just use this bug for that pref-flip too, since it probably wouldn't make sense to ship one of these prefs without the other one.)
Bug 1941406 Comment 14 Edit History
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(Really, I guess this is wants to wait until we're ready to toggle `layout.css.details-content.enabled` to `true` (that pref is being added in bug 1901037's patch, guarding that patch's code for now). Maybe/probably we can just use this bug here for *that* pref-flip, too, since it probably wouldn't make sense to ship one of these prefs without the other one.)