Observed Signal · May 14, 2026 · Technical Release · Source: https://github.com/prebid/Prebid.js/releases.atom · Impact: 3/5 · Sentiment: Positive
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.
Prebid.js is a widely used open-source header-bidding library; this release introduces identity integration, new adapters, type-safety improvements and bug fixes that affect publishers, integrators and adapter developers across the programmatic stack.
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Key Takeaways & Evidence Grounding
- Prebid.js version 11.12.0 released on 2026-05-14.
- New features: Abtshield ID system integration, Native Agents Bid Adapter, and mileRtdProvider initial commit.
- Core changes: strict TypeScript type checks during build, tcfControl now enforces publisher restrictions, and bidCacheFilterFunction added to core TypeScript types.
- Bug fix: corrected issue where currency conversion rates were sometimes reset to defaultRates.
- Maintenance updates: Tercept Analytics Adapter auction window configurable; HypeLab Bid Adapter migrated to OpenRTB endpoint; Livewrapped analytics cache cleared on pbjs.clearAllAuctions; fluct adapter added ortb2Imp.ext.data and rwdd signals; Equativ Bid Adapter defaulted imp.displaymanager/displaymanagerver; multiple dependency bumps.
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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 11.16.0 Released
Prebid.js published version 11.16.0 on 2026-06-09 (release authored by github-actions). The release includes core PRs adding identity typings (publinkId, euid, uid2, pubProvided), new typings for the gamAdServerVideo module, and telemetry callbacks (onTimeout/onBidderError) for the Floxis bid adapter. Maintenance updates add TypeScript declarations for Ftrack, shared ID public types, a new Realry bidder adapter, and changes to Fluct to signal autoplay capability and avoid CORS preflights. The release bundles source-code assets (zip and tar.gz) with timestamps. The update focuses on type definitions, telemetry, adapter maintenance and small feature/compatibility fixes relevant to header-bidding integrators and publisher ad stacks.
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.
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