Changes compared to: 19.2-RC5
Non user facing:
- Improves the unrleased copy of the IndexNow feature toggle. #18577
- Fixes an unreleased bug where the shortlink of the Help text of the IndexNow feature toggle would be broken. #18577
- Fixes a bug where two PRs on the sentence tokenizer clashed, which broke the fix of initials. #18581
