Observed Signal · Jun 18, 2026 · Technical Release · Source: https://github.com/prebid/Prebid.js/releases.atom · Impact: 3/5 · Sentiment: Positive
Prebid.js 11.19.0 Released
Prebid.js v11.19.0 was released on 2026-06-18 (published by github-actions). The release adds core support for a PBS OpenRTB (ortb) converter safe renderer and includes multiple maintenance updates: adapter fixes and enhancements (Aps/APS, vidoomy, VDOAI, IntentIQ, Automatad), a new Limelight alias (Datafusion), CI workflow changes and several dependency bumps (tar, protobufjs, form-data, @babel/core, ws, engine.io, socket.io-adapter, webpack-bundle-analyzer). The APS Bid Adapter was updated to v2.2.0 to allow additional user object properties. Source code archives (zip and tar.gz) are provided with the release tag.
Prebid.js is a widely used open-source header-bidding library; this technical release adds OpenRTB/PBS converter support and several adapter/CI/dependency updates that affect publishers and integrators, but it is an incremental software update rather than an industry-shifting change.
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Key Takeaways & Evidence Grounding
- Prebid.js version 11.19.0 was released on 2026-06-18.
- Core change: PBS OpenRTB converter safe renderer support added (PR #15013).
- Multiple maintenance updates: adapter fixes and enhancements for Aps/APS, vidoomyBidAdapter, VDOAI Bid Adapter, IntentIQ ID, Automatad Analytics Adapter, and Limelight alias Datafusion.
- APS Bid Adapter updated to v2.2.0 to allow additional user object properties.
- Dependencies and dev tools bumped (examples: tar, protobufjs, form-data, @babel/core, ws, engine.io, socket.io-adapter, webpack-bundle-analyzer).
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Prebid.js 11.21.0 Released
Prebid.js version 11.21.0 was published on June 25, 2026. The release bundles core fixes (renderer lookup guard, several linting hardenings, a bidResponseFilter fix, browserslist target update, and GitHub Actions updates to Node 24) and a set of maintenance updates to multiple bid adapters and analytics adapters (Brid, Allegro, Medianet, Mediago, Yahoo Ads, TTD, Onetag, ADBRO, Uniquest). The release entry was created by the github-actions app and references commit dfd6487; source archives (zip and tar.gz) are attached with timestamps of 2026-06-25T13:56:02Z. Changes include adapter-specific bug fixes, parameter/type enforcement, endpoint compression configuration, and metadata/exposure updates across adapters.
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 11.23.0 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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