Observed Signal · Jun 24, 2026 · Technical Release · Source: https://github.com/prebid/Prebid.js/releases.atom · Impact: 2/5 · Sentiment: Positive
Prebid.js 11.20.0 Released
Prebid.js published release 11.20.0 on 2026-06-24. The release includes core pull requests (notably alignment of Prebid Server adapter sync browser restrictions), a Windows build bug fix, multiple maintenance updates, and several adapter changes such as adding a new adapter (m152), updates to billow_rtb25 (sharedId support), and Uid2 id module adjustments. The release was published via the GitHub Actions account and includes source code archives (zip and tar.gz). The changelog lists linting and maintenance PRs, CI and build tool updates, adapter fixes and declarations (e.g., IAB Europe TCF GVL Vendor ID for Floxis), and various test and dependency updates.
Prebid.js is a widely used open-source header bidding library; maintenance, adapter updates and bug fixes affect publishers and integrators but do not constitute industry‑shifting platform policy or major platform changes.
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Key Takeaways & Evidence Grounding
- Prebid.js published release 11.20.0 on 2026-06-24.
- The release includes core PRs such as 'Prebid Server Adapter: align sync browser restrictions' and linting/maintenance changes.
- A Windows build bug was fixed in this release.
- Maintenance updates include a new adapter 'm152', sharedId support added to adapter billow_rtb25, and adjustments to the Uid2 id module.
- Source code archives (zip and tar.gz) for tag 11.20.0 were published with timestamps 2026-06-24T11:24:44Z.
Connected Companies & Entities
5 Entities mapped“# Prebid 11.20.0 Release...”
“Yieldmo Bid Adapter: revert badv support (keep bcat) ([#15190])...”
“ConnectAd Adapter Update ([#14978])...”
“Floxis Bid Adapter: read user-sync from response body (ext.sync), header fallback ([#15143])...”
Related Market Signals & Shifts
Recent verified developments and strategic activity across this market segment.
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 11.23.0 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.
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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