Changelog — x.com product surface
20260916-183504Z → 20260917-043504Z
Feature flags
- Nested quote preview — added
responsive_web_nested_quote_preview_enabled(default false). Composer/timeline quote UX gate only; not on. - Castle minting — added
complat_responsive_web_castle_minting_enabled(default false). Off; no product surface change.
No removals or value flips. No user-visible Grok / Premium / media / DMs / ads flag movement this hop.