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X launches Custom Timelines feature to personalise user feeds

Sanjeev Kumar | April 22, 2026 2:21 PM CST

New Delhi: Social media platform X has rolled out a new feature aimed at giving users more control over what they see. The Custom Timelines feature announced on April 22 will enable users to stick specific topics on their homepage to browse content more quickly and relevantly.

The move is an indication of the further trend of personalisation by X in the wake of heightened competition in the social media space. The platform is working towards increasing user engagement and retention in niche communities by prioritising user interests and content feeds that are curated.

What are Custom Timelines?

Ladies and gentlemen, today we’re launching one of our biggest changes to 𝕏
Introducing Custom Timelines
This feature allows you to pin a specific topic to your home tab. With support for over 75 topics, you can dive deep into your favorite niche on X.
It’s powered by Grok’s… pic.twitter.com/9jkIEXvubj
— Nikita Bier (@nikitabier) April 21, 2026

Custom timelines enable users to choose and highlight things of interest to them, and this will provide a more personalised feed experience. The feature at this point is able to support over 75 interest categories, including technology and finance, entertainment and sports.

A report by BlockBeats says this can enable users to explore deeper into particular content areas without using the default algorithmic feed only. It also assists in bringing up conversations that would otherwise be covered by a general timeline.

Powered by Grok AI

Grok, the feature, analyses the user behaviour and content choice to create dynamic timelines. The system is dynamic and evolves with time, i.e., the more a user communicates with a subject, the more narrow their feed becomes.

This is an AI-supported solution that is intended to enhance content discovery, particularly in the cases of users expressing a consistent interest in specific topics.

Availability and rollout plans

Custom timelines are currently in early access on iOS and require a premium subscription. X has assured that they are developing and have plans of launching Android support in the coming months.

The incremental release implies that X is experimenting with user reception before rolling out the feature to the rest of the world, which has been the approach of the company with a series of recent releases.