Re-Engineering YouTube for the Living Room: Bringing "Chrobalt" to RDK
Collabora has partnered with Google to deliver the first RDK-based reference platform for Chrobalt, YouTube's next-generation web engine. This initiative transitions from the legacy Cobalt engine to a Chromium-based architecture to support modern web standards on resource-constrained devices. The platform has been validated for third-party device manufacturers, ensuring compatibility with high-performance features like 4K playback and DRM.
- ▪Chrobalt is a re-architected version of the Cobalt engine that runs on top of Chromium to provide modern web features and security updates.
- ▪Collabora worked with Google's YouTube Cobalt and Partner Engineering teams to port and stabilize Chrobalt on an RDK platform for Amlogic chipsets.
- ▪The integration involved modernizing Starboard toolchains, integrating Chromium unit tests, and passing the rigorous YouTube Test Suite (YTS) for 4K and DRM support.
- ▪This reference platform serves as a foundational design for device partners and OEMs, including major manufacturers like Samsung and LG.
- ▪Collabora contributed to the upstream Cobalt and Starboard codebases and co-authored the Rust reference implementation of the Device Automation Bus (DAB).
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| Original publisher | Collabora | Open Source Consulting |
| Canonical URL | https://www.collabora.com/news-and-blog/news-and-events/re-engineering-youtube-for-the-living-room-bringing-%E2%80%9Cchrobalt%E2%80%9D-to-rdk.html |
| Publication time | Fri, 11 Sep 2026 13:41:58 +0000 |
| Retrieval time | 2026-09-11T14:12:51.500Z |
| Last seen | 2026-09-11T14:12:51.500Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | M3CKVpR-deSr · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
tl,dr: How Collabora partnered with the YouTube Cobalt and Device Partner Engineering teams to deliver the first RDK-based reference platform for their next-generation living room web engine. Switch on your Smart TV, open YouTube, and navigate to Settings → App Version, you might spot a version text like 25.lts. That’s the version of classic Cobalt, the lightweight, open source HTML5/CSS/JavaScript engine meant specifically for resource-constrained embedded devices, which currently runs YouTube on living room devices such as SmartTVs, STBs, etc. Over the years, Cobalt has undergone a massive architectural transformation: the transition from classic Cobalt to Chrobalt, (Cobalt re-architected on top of Chromium).
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Collabora | Open Source Consulting.
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