Observed Signal · Sep 11, 2026 · Technical Release · Source: https://github.com/prebid/Prebid.js/releases.atom · Impact: 3/5 · Sentiment: Positive
Prebid.js 11.34.0 Released with Adswag and Geniee Adapters
This release of Prebid.js, version 11.34.0, includes core enhancements, new bid adapters, and maintenance updates. The core PRs focus on fixes to the build system, removing page-lifetime retainers of per-auction data, and a refinement to the user ID refresh logic. New features include the addition of the Adswag and Geniee Exchange (ex_geniee) bid adapters. The release also includes maintenance updates such as verifying the OpenRTB provenance carrier for the Encypher RTD provider, inheriting GVL IDs for short aliases across various bid adapters, updating the Utiq ID module to pass a category in the `ext` response, and adding a Ppcbuzz adapter. The release was authored by github-actions on September 11, 2026.
Routine open-source release with minor updates, but covers AdTech infrastructure (Prebid.js) and new adapters, relevant to the industry.
Track Prebid Signals & Market Shifts in Real-Time
Polaris7 autonomous intelligence agents track regulatory filings, primary sources, executive changes, and deal flow 24/7. Create your Polaris7 workspace to monitor these entities.
Key Takeaways & Evidence Grounding
- Prebid.js 11.34.0 was released on September 11, 2026.
- New bid adapters added: Adswag and Geniee Exchange.
- Core fix: removed three page-lifetime retainers of per-auction data.
- Utiq ID module updated to include category in response.
- Encypher RTD provider verified OpenRTB provenance carrier.
Connected Companies & Entities
5 Entities mapped“The release is from the 'prebid/Prebid.js' GitHub repository.”
“New bid adapter added in the release.”
“Geniee Exchange Bid Adapter added.”
“Utiq ID module updated.”
“Attekmi added Ppcbuzz adapter.”
Ontology Mapping & Concepts
Related Market Signals & Shifts
Recent verified developments and strategic activity across this market segment.
Prebid.js 11.6.0 Released
Prebid.js published version 11.6.0, introducing new features, adapters, bug fixes and maintenance updates. Notable additions include a new core API method pbjs.getBidResponseByAdId, the initial release of an Agentic Audiences RTD module, and two new bidder adapters (AppMonstaMedia and AdSmartx). The release also contains bug fixes (TTL purge timer), build-system updates (Node 24, mocha bumped to 11.x), and several adapter-specific improvements such as instream support, single-request-per-auction behavior, and support for custom cohort handling.
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.
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.
Receive all future signals for Prebid & competitors in your briefing
Never miss material M&A deals, leadership changes, account wins, or product rollouts. Polaris7 monitors 20,000+ primary sources 24/7, delivering verified telemetry directly into your executive briefing.