Observed Signal · Apr 22, 2026 · Technical Release · Source: https://github.com/prebid/Prebid.js/releases.atom · Impact: 2/5 · Sentiment: Positive
Prebid.js 11.8.0 Released
Prebid.js 11.8.0 was published as an official release on GitHub, introducing new features, bug fixes, and maintenance updates for the header-bidding toolkit. Notable additions include a new bidder integration (PGAM Direct), an initial release of the IntimateMerger analytics adapter, and a Bid Filter Module option to handle bidResponseFilter for in-banner video in multi-format units. The release also fixes an outstream video issue in the CriteoBidAdapter and contains multiple maintenance changes — e.g., CI artifact retry logic, use of window.crypto for UUID randomness, RTD/submodule updates (51Degrees, Permutive, wurfl), and various adapter compatibility and typing cleanups. Source archives (zip and tar.gz) were published with the release.
Prebid.js is a widely used open-source header-bidding library; new bidder integrations, adapter releases, and maintenance/security improvements are relevant to publishers, ad ops teams and adapter vendors but do not constitute industry-shifting platform or policy change.
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Key Takeaways & Evidence Grounding
- Prebid.js version 11.8.0 released on 2026-04-22
- New bidder added: PGAM Direct
- IntimateMerger analytics adapter: initial release
- Added Bid Filter Module option for bidResponseFilter handling for in-banner video on multi-format
- Bug fix: CriteoBidAdapter outstream video issue resolved
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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 11.13.0 Released
Prebid.js 11.13.0, the open-source header-bidding library, was released on 2026-05-18. The release (tag 11.13.0) includes core type and build improvements, multiple maintenance updates to adapters and modules, and two new bid adapters: haloads and Anzu SSP. Core changes add TypeScript/type definition work (debugging module types, exporting more core types, making VideoMediaType properties optional), linting on imports, and further adpod cleanup. Maintenance notes include new or updated adapters (Movingup, Attekmi, Adelerate, CriteoId, pgamdirectBidAdapter, Selectmedia), RTD module tweaks, and documentation additions. Source archives (zip and tar.gz) were published with the tag on May 18, 2026.
Prebid.js 11.9.0 Released
Prebid.js published release 11.9.0 on 2026-04-29 (tagged via GitHub Actions). The release adds new features including an Encypher RTD provider that surfaces C2PA content provenance signals, multiple new bid adapters (goadserver, mtc, tne_catalyst), and a pgamdirect analytics adapter. It also introduces an option in GPP control modules to further restrict activities. The update contains a core bug fix limiting mergeConfig notifications to updated topics and several maintenance changes: disabling user syncs in Firefox and WebKit-based Chrome, build-system migrations (native Gulp v5 sourcemap handling, webpack source-map changes), adapter improvements (GumGum, Vidazoo, Mile, Showheroes, Limelight), and dependency bumps. The release is relevant to publishers, header-bidding integrators and ad-tech implementers managing Prebid.js builds and privacy/consent flows.
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