Updated Oct 9

Share this article

Related News

GitHub’s star-history API replaces identity-heavy pagination with weekly aggregates

Oct 14, 2026

GitHub’s star-history API replaces identity-heavy pagination with weekly aggregates

GitHub’s new repository star-history endpoint returns weekly and daily aggregate counts, reducing large histories from thousands of identity-bearing requests to a small trend dataset.

GitHub APIrepository analyticsstar history

Apple Watch Audio Intelligence: What Leaves Your Wrist and What Gets Saved

Oct 9, 2026

Apple Watch Audio Intelligence: What Leaves Your Wrist and What Gets Saved

Apple’s Live Rewind and Siri Recap use different routes through Apple Watch, a paired iPhone and Private Cloud Compute. Here is what gets processed, when nearby people are alerted and which text can persist.

Apple WatchApple Intelligenceprivacy

Meta Muse is coming to AI glasses. Its new connectors carry the bigger tradeoff

Sep 28, 2026

Meta Muse is coming to AI glasses. Its new connectors carry the bigger tradeoff

Meta announced Muse for AI glasses and expanded its connector roadmap at Connect 2026. The practical distinction is what is live, what is still coming and what account access can persist.

Meta MuseMeta Connect 2026AI agents

YouTube Custom Feeds Are Separate—Your Watch History Isn’t — Source: OpenTools Team. Source-based figure showing the documented Custom Feed, watch-history and Home recommendation flow.Source image

AI News

YouTube Custom Feeds Are Separate—Your Watch History Isn’t

By OpenTools Team

YouTube’s new Custom Feeds create focused tabs for a mood or interest. The tabs are separate from Home, but their viewing activity still enters standard watch history.

YouTube is separating the feed, not the history

YouTube is preparing to give US viewers multiple prompt‑built feeds for different moods and interests, but the feature does not create a clean wall around what they watch. As of October 9, the company's current help page says videos played from a Custom Feed are added to standard watch history and may influence the main Home recommendations. That detail changes the practical meaning of “build your own algorithm”: viewers get a focused place to explore, while the resulting viewing activity can still teach the system outside that feed. YouTube's Custom Feed help page

The distinction matters because YouTube announced a broader version of Custom Feeds on September 23 while an earlier experiment is already live for some accounts. The announcement promises multiple saved feeds on web, mobile and TVs in the United States. The current help page still describes an English‑only US experiment with one feed at a time. Those statements describe two stages of the rollout, not one feature that every account can use in full today. YouTube's September 23 viewer announcement

One Custom Feed exists today; multiple feeds are coming

In the current experiment, an eligible user opens the Home tab, selects “Your custom feed,” and writes a prompt describing the videos they want. YouTube's example asks for guided meditations under 10 minutes; the official product demonstration shows prompts for late‑night ambient audio and other tightly bounded moods. The feed remains anchored to Home, can be edited by changing the prompt, and is private to the account. Other viewers cannot find or open it. YouTube's setup instructions

There are limits. The help page says a viewer can maintain one feed at a time, and an unused prompt expires after 30 days. The prompt must comply with YouTube's Community Guidelines. Refreshing the page asks YouTube for a new set of recommendations, but some results may remain. A viewer can leave the custom tab and return to the ordinary Home experience at any time.

The version announced on September 23 expands that model. YouTube says viewers will be able to craft and save multiple feeds for routines, moods and interests, with US availability on web, mobile and TV “soon.” YouTube's announcement TechCrunch, citing a company briefing, reported that multiple feeds will begin rolling out on web and mobile next month, while Ars Technica reported that the broader release will cover web, mobile and TV. TechCrunch's rollout report, Ars Technica's coverage

YouTube has not published an exact launch day, a maximum number of saved feeds or a timetable for countries and languages beyond the initial US English release. A missing button therefore does not by itself mean that an account is broken. It may simply be outside the experiment or waiting for the wider rollout.

A separate tab is not a separate recommendation sandbox

Custom Feeds are deliberately presented as additional tabs rather than a replacement for the main homepage. WIRED reported that YouTube had tested direct controls for steering the overall recommendation algorithm but decided against shipping them after users worried about damaging years of accumulated preferences. The product team instead made Custom Feeds a lower‑risk place to experiment while leaving the “All” view available. In WIRED's hands‑on test, the feature was especially effective at combining several constraints, such as a topic, mood and video length, in one request. WIRED's hands‑on report

That interface separation has a boundary: playback is shared with the account's ordinary history. YouTube says a video watched from a custom feed is added to standard watch history, and those watches may influence the main Home recommendations. The company separately explains that Home relies primarily on watch history, alongside signals such as search history, subscriptions, likes, dislikes and “Not interested” feedback. YouTube's recommendation‑system guide

The result is a two‑step system. The prompt selects a dedicated shelf now; watching from that shelf can become a signal for later recommendations elsewhere. The interface gives a viewer a dedicated tab for an unusual subject, but the videos they choose to watch are not isolated from the longer‑term profile. The feature offers more control over the current session's menu, not a second account with independent history.

The feature requires the history setting that shapes Home and ads

The current experiment requires viewers to sign in, set the device language to English, and turn on both YouTube watch and search history. Those are functional requirements, not optional enhancements. A person who has disabled history to avoid personalized Home recommendations cannot use Custom Feeds in the documented experiment without changing that setting. YouTube's Custom Feed eligibility rules

YouTube's privacy guide says watch and search history can be used to improve recommendations and search results, and can also be used to personalize ads within YouTube and other Google services. The same guide points users to “Your data in YouTube” and Google Account controls to view, delete or disable saved activity. YouTube's privacy guide

“Private” in the Custom Feed help page therefore has a specific meaning: other viewers cannot access the feed. It does not mean activity inside the feed stays outside the account's recommendation history. YouTube does not say on the help page how long it retains the text of an active prompt or whether prompt text itself is used for advertising. The documented 30‑day rule covers the feed expiring after inactivity; it should not be stretched into a broader claim about deletion from every Google system.

You can remove unwanted watches, but the feed still needs history on

A viewer who wants to test an unfamiliar topic without keeping every result in the recommendation profile can inspect YouTube History afterward. YouTube lets signed‑in users remove individual watched videos, delete a selected period, or turn history off. Its history guide says future recommendations will not be based on content deleted from watch history. Deleting a time range also deletes search history for that period, so a broad cleanup has consequences beyond the videos opened from one custom feed. YouTube's watch‑history controls

Turning history off is a blunter tool. Videos watched while it is off are not added to history, but the current Custom Feed experiment requires history to be enabled. YouTube also says accounts with no significant recent watch history and a preference against future recommendations may lose homepage recommendations entirely, leaving search and navigation instead. Custom Feeds cannot simultaneously act as a personalized recommendation product and operate under the documented no‑history state.

The most precise workflow is to treat a Custom Feed as a convenient discovery tab, check the recommendations before watching, and remove specific outlier watches later if they should not become future signals. That does not guarantee an instantaneous reset across every surface, and YouTube's documentation does not offer a custom‑feed‑only history switch. It does give viewers a clearer choice than assuming the extra tab is automatically isolated.

The rollout still leaves important controls undefined

YouTube says videos watched from Custom Feeds count toward creator watch time and monetization in the same way as views from Home. It is monitoring the feature's effect on views, watch time and revenue, and the feed includes a feedback control for poor interpretations. Those details make Custom Feeds part of the ordinary recommendation economy rather than a private playlist system. YouTube's Custom Feed FAQ

The company has not yet documented a per‑feed history setting, a way to freeze a feed without expiring it, or controls that prevent one feed's viewing from shaping Home. It also has not published a final multi‑feed limit. Until those answers arrive, the safest reading is narrow: Custom Feeds give viewers a direct natural‑language way to request a temporary recommendation context, while YouTube's established history system still records what they choose to watch.

That makes the feature useful for tasks that are awkward to express as a single search—long documentaries for an evening, new creators in one craft, or a blend of topic and duration. It does not amount to multiple independent algorithms. The tab is separate; the account learning from the viewing session is not.

Figure: How a Custom Feed viewing session can flow into standard watch history and later Home recommendations. Sources: YouTube Custom Feed Help and YouTube's recommendation‑system guide. Figure by OpenTools Team; no third‑party expressive material used.

Sources

1.YouTube's September 23 viewer announcement (blog.youtube)
2.TechCrunch's rollout report (techcrunch.com)
3.YouTube's recommendation-system guide (support.google.com)
4.support.google.com (support.google.com)
5.arstechnica.com (arstechnica.com)
6.wired.com (wired.com)
7.support.google.com (support.google.com)
8.support.google.com (support.google.com)

Tags

YouTubeAI recommendationsCustom Feedsprivacy streaming