Observed Signal · May 18, 2026 · Technical Release · Source: https://github.com/prebid/Prebid.js/releases.atom · Impact: 2/5 · Sentiment: Positive
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 is a widely used open-source header-bidding library; the release adds new adapters and type/maintenance improvements that affect integrators and publishers but does not constitute an industry-shifting platform or policy change.
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Key Takeaways & Evidence Grounding
- Prebid.js version 11.13.0 was released on 2026-05-18 (tag 11.13.0).
- Release published by github-actions referencing commit a708dee.
- New bid adapters added: haloads and Anzu SSP.
- Core changes include added type definitions, exporting more core types, import linting, adpod clean-up, and making VideoMediaType properties optional.
- Maintenance: multiple adapters updated or added (Movingup standalone adapter, Attekmi alias change, Adelerate initial release, CriteoId TypeScript types, pgamdirectBidAdapter metadata/usersync/telemetry updates, Selectmedia update) and RTD/Docs updates.
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3 Entities mappedRelated Market Signals & Shifts
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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 11.8.0 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 11.12.0 Released
Prebid.js v11.12.0 was released on 2026-05-14. The release includes core TypeScript/type-checking improvements, enforcement of publisher restrictions in tcfControl, and additions to core types (including bidCacheFilterFunction). New features include an Abtshield ID system integration, a Native Agents Bid Adapter, and the initial mileRtdProvider commit. The update also fixes a currency conversion bug and includes maintenance changes across multiple adapters (Tercept, HypeLab, Livewrapped, fluct, Equativ) plus several dependency bumps. Source archives for the tag were published on GitHub.
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