Observed Signal · Aug 24, 2026 · Technical Release · Source: https://github.com/prebid/Prebid.js/releases.atom · Impact: 3/5 · Sentiment: Positive
Prebid.js 11.30.0 Released
Prebid.js 11.30.0 and 11.31.0 were published on the project's GitHub releases. 11.30.0 delivered core build updates including an ES5 second-pass via Babel, a new public removeUserSyncs() API, new features (SuperEdge adapter, anonymised id system module, advertronic and Bid Espresso adapters), TypeScript fixes for NPM consumers, and attached source artifacts (zip/tar.gz). 11.31.0 is a technical patch introducing a core change to run post‑auction tracking pixels as background tasks, a build fix to exclude dead browsers from browserslist, and several maintenance updates across adapters and tooling: Engerio schain support, Optable RTD typings, Geoedge docs fixes, an MS Bid Adapter test fix, and Taboola OpenRTB2 language and nurl/burl handling. 11.31.0 was published via github-actions and references commit 495b2a3.
Prebid.js is a widely used open-source header bidding library; this release adds new adapters and an anonymised id module which affect header-bidding implementations and publisher integrations.
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Key Takeaways & Evidence Grounding
- Prebid.js releases 11.30.0 and 11.31.0 published on the project's GitHub releases page.
- Core changes: ES5 build second-pass via Babel and new public removeUserSyncs() API (11.30.0); run post‑auction tracking pixels as background tasks and exclude dead browsers from browserslist (11.31.0).
- New features and adapters: SuperEdge adapter, anonymised id system module, advertronic and Bid Espresso bid adapters.
- Maintenance and updates: Engerio schain support, Optable RTD typings, Geoedge documentation fixes, MS Bid Adapter test fix, and Taboola OpenRTB2 language handling and nurl/burl split.
- Publishing artifacts and metadata: 11.30.0 source assets (zip and tar.gz) attached with timestamp 2026-08-24T20:17:31Z; 11.31.0 published by github-actions on 25 Aug 20:56 referencing commit 495b2a3.
Connected Companies & Entities
18 Entities mapped“prebid/Prebid.js Public...”
“Floxis Bid Adapter: first-party fallback id (user.ext.floxisId) ([#15295](https://github.com/prebid/Prebid.js/pull/15295))...”
“Geoedge RTD Provider: outstream video monitoring ([#15416](https://github.com/prebid/Prebid.js/pull/15416))...”
“Revantage: Remove deleted gvlid from revantageBidAdapter spec ([#15501](https://github.com/prebid/Prebid.js/pull/15501))...”
“Ogury Bid Adapter: fix SecurityError in cross-origin iframes ([#15480](https://github.com/prebid/Prebid.js/pull/15480))...”
“Nexx360 Analytics Adapter: declare GVL ID ([#15509](https://github.com/prebid/Prebid.js/pull/15509))...”
“Allegro Bid Adapter: add publisherId param for inventory identification ([#15477](https://github.com/prebid/Prebid.js/pull/15477))...”
“Microsoft Bid Adapter: move Project Agora alias from AppNexus ([#15441](https://github.com/prebid/Prebid.js/pull/15441))...”
“Update Intenze Adapter ([#15367](https://github.com/prebid/Prebid.js/pull/15367))...”
“Sparteo Bid Adapter: outstream iframe rendering and vastUrl/nurl correctness ([#15365](https://github.com/prebid/Prebid.js/pull/15365))...”
“humansecurity RTD: park auctions that start before the script has loaded ([#15486](https://github.com/prebid/Prebid.js/pull/15486))...”
“bmsBidAdapter.js: Remove GVLID ([#15512](https://github.com/prebid/Prebid.js/pull/15512))...”
Ontology Mapping & Concepts
Related Market Signals & Shifts
Recent verified developments and strategic activity across this market segment.
Prebid.js 11.15.0 Released
Prebid.js v11.15.0 was released on 2026-06-04 via the prebid/Prebid.js GitHub repository. The release includes core PRs (consent/legal-basis improvements, bid desirability adjustment, and enforcement of accessRequestCredentials), new features and adapters (Vuukle ortbConverter rewrite with video/native and new endpoint; Hubvisor analytics adapter; new ferio adapter; Ogury instream video support; Acxiom realid userID module), multiple bug fixes (including Criteo Id System and hb_cache_host fixes), and a range of maintenance updates across many bid adapters, identity modules and build/test tooling. Source archives (zip and tar.gz) were published with the tag.
Prebid.js 11.29.0 Release
Prebid.js v11.29.0 was published on 2026-08-06 (commit f8feaa9) with new adapters, maintenance updates, and bug fixes. Notable items include the initial release of a DevTools MCP module, new HyperBrainz and Synapse HX bid adapters, a fix for analytics provider configuration types, and multiple maintenance updates across bid adapters (e.g., TripleLift, Yieldmo, VISX). Source tarball and zip artifacts were published with the release.
Prebid.js 11.23.0 Released
Between July 8–20, 2026 Prebid published three Prebid.js releases: 11.23.0 (2026-07-08, commit 495a6b6), 11.24.0 (2026-07-14, assets ts 2026-07-14T16:59:08Z) and 11.25.0 (2026-07-20, commit 3701f58). The releases introduced new bid adapters (MediaGo Technology LLC and JJTech in earlier updates; Pinelake and OCM in 11.25.0), core fixes (escaping user‑sync iframe URLs, PBS host‑company vendor consent check, TCF control TypeError fix, gamAdserverVideo cust_params array encoding) and bug fixes (TeqBlaze undefined bidfloor, mobile GAME_MANUAL_INTERSTITIAL rendering, usersync iframe styling). Maintenance and quality improvements included Equativ adapter enhancements (placementuuid + forwarded inventory), Aso GVL IDs, Cortex regional endpoints, build/dependency bumps, CI/e2e/workflow fixes, removal of deprecated istanbul, lint fixes, and published source archives.
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