- Visit: Special:Preferences#mw-prefsection-editing
- Scroll to the Discussion pages section
- Notice a setting that reads Enable experimental tools in the quick replying and quick topic adding features' source modes
- ✅ Notice the setting now reads Enable editing tools in source mode / This will add a toolbar to the quick replying and quick topic adding features’ source modes that includes shortcuts for pinging and adding links.
@matmarex is going to deploy this via backport along with T287927.
- "Desired" copy change is made to Special:Preferences#mw-prefsection-editing