X has refreshed its video upload and posting flow again. The updated X video composer offers a more focused layout and editable captions that can be refined with Grok, the platform’s AI assistant. X developer Allegra Jacchia described the new editor as cleaner, more intuitive and much easier to use.
Captions are the core of the update. Creators can edit captions manually in the composer or ask Grok to correct them. Grok can also translate captions into another language.
In July, X shipped a major editor update with multi-language caption tools and green screen recording. It added video overlays in August and recently expanded livestream hosting options. The new composer continues that push.
Like other platforms, X wants more original creators. Built-in editing makes it easier to produce native content instead of reposting clips edited in other apps. Video engagement on X has risen steadily in recent years, though the company appears to have dropped the “video-first” tagline it tried in 2024.
This is a small update, but the direction is clear: X is using native tools to grow original video. Caption quality affects retention and brand trust, so add it to your pre-publish checklist. For X advertising formats and strategy, read Why X Ads Deserve a Second Look — A 2026 Guide to Takeovers, Promoted Posts and the AI Ads Manager, and for the wider shift toward rewarding original content, see YouTube Shorts Algorithm Update Favors Original Content — Re-Upload Channels Lose Reach.
A cleaner layout and editable captions, which can be corrected or translated with Grok.
Yes. The new editor lets Grok translate captions into another language, though brand terms should be reviewed by a person.
To encourage original content made on X instead of reposted clips from other apps.
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