https://rtblint.org/changelog/openrtb/ New OpenRTB 2.6 snapshots and AdCOM releases, summarized. en https://rtblint.org/blog/adcom-1-0-202607-enums-and-content-rename/ rtblint-adcom-1.0-202607 Thu, 16 Jul 2026 12:00:00 GMT Ad format signaling update: new plcmt values 5 to 9 for CTV formats such as pause and overlay ads, new placement positions, reworded playback methods, and new creative attributes. https://rtblint.org/docs/openrtb-versions/2-6-202606/ rtblint-openrtb-2.6-202606 Thu, 11 Jun 2026 12:00:00 GMT Programming liveness: Content.realtime and Content.firstbroadcast added, Content.livestream redefined, and the AUCTION_PRICE macro description updated. https://github.com/InteractiveAdvertisingBureau/AdCOM/releases/tag/AdCOMv1.0-202606 rtblint-adcom-1.0-202606 Thu, 11 Jun 2026 12:00:00 GMT The same liveness fields added to the AdCOM Content object, with the livestream description updated to match OpenRTB. https://rtblint.org/docs/openrtb-versions/2-6-202505/ rtblint-openrtb-2.6-202505 Tue, 20 May 2025 12:00:00 GMT Data.cids added for extended content identifiers, replacing a community extension, and Content.genres retyped from integers to strings. https://rtblint.org/docs/openrtb-versions/2-6-202501/ rtblint-openrtb-2.6-202501 Mon, 27 Jan 2025 12:00:00 GMT Content.gtax and Content.genres added for genre taxonomies, Content Taxonomy 3.1 added to the category taxonomy list, and deprecated field descriptions removed. https://rtblint.org/docs/openrtb-versions/2-6-202409/ rtblint-openrtb-2.6-202409 Mon, 23 Sep 2024 12:00:00 GMT EID.inserter, EID.matcher, and EID.mm added so an identifier's origin is visible, with guidance on ID bridging. https://rtblint.org/docs/openrtb/enums/id-match-methods/ rtblint-adcom-1.0-202409 Mon, 23 Sep 2024 12:00:00 GMT List: ID Match Methods added for the new EID.mm field. https://rtblint.org/docs/openrtb-versions/2-6-202402/ rtblint-openrtb-2.6-202402 Tue, 20 Feb 2024 12:00:00 GMT Video.poddedupe added so sellers can say how ads in a pod are deduplicated. https://rtblint.org/docs/openrtb/enums/pod-deduplication/ rtblint-adcom-1.0-202402 Tue, 20 Feb 2024 12:00:00 GMT List: Pod Deduplication Settings added for Video.poddedupe. https://rtblint.org/docs/openrtb-versions/2-6-202309/ rtblint-openrtb-2.6-202309 Thu, 28 Sep 2023 12:00:00 GMT BidRequest.acat for allowed categories, duration floors (DurFloors) on video, audio, and deals, and Deal.guar and Deal.mincpmpersec, with floor guidance. https://rtblint.org/docs/openrtb-versions/2-6-202303/ rtblint-openrtb-2.6-202303 Wed, 05 Apr 2023 12:00:00 GMT Video.plcmt replaces the deprecated Video.placement, Imp.refresh with Refresh and RefSettings describes ad refresh, and the AUCTION_IMP_TS macro arrives. https://rtblint.org/docs/openrtb/enums/plcmt-subtypes-video/ rtblint-adcom-1.0-202303 Wed, 05 Apr 2023 12:00:00 GMT List: Plcmt Subtypes - Video added for plcmt, Content Taxonomy 3.0 added, and DOOH venue taxonomies replace the deprecated venue types list. https://rtblint.org/docs/openrtb-versions/2-6-202211/ rtblint-openrtb-2.6-202211 Thu, 17 Nov 2022 12:00:00 GMT The DOOH object and Imp.qty for digital out-of-home, GPP in regs.gpp and regs.gpp_sid, and inventorypartnerdomain moved out of ext. https://rtblint.org/docs/openrtb-versions/2-6-202210/ rtblint-openrtb-2.6-202210 Thu, 03 Nov 2022 12:00:00 GMT The first release in the openrtb2.x repository, republishing the April 2022 OpenRTB 2.6 text with no changes. https://rtblint.org/docs/openrtb-versions/2-6-202204/ rtblint-openrtb-2.6 Fri, 01 Apr 2022 12:00:00 GMT CTV ad pods, structured user agents, rewarded and SSAI signals, cattax, the AUCTION_MIN_TO_WIN macro, GDPR consent and the supply chain promoted out of ext, and long-deprecated fields removed. https://rtblint.org/docs/openrtb-versions/2-5/ rtblint-openrtb-2.5 Thu, 01 Dec 2016 12:00:00 GMT Header bidding support through Source, the Metric object, billing and loss notices, and the AUCTION_LOSS macro.