List of Index's Prebid.js releases

Media Owners
Last Updated: February 12, 2026•

The following is a list of new feature releases, maintenance, and bug fixes to the Prebid.js Index Exchange (Index) adapter. For more information about adapter versions or to view older versions, see the Prebid.js open source GitHub page.

Release version

Release date
(YYYY-MM-DD)

Type

Description

9.53.0

2025-07-02

Maintenance

  • Support to pass through the device.geo signal in bid requests.

9.44.0

2025-05-22

Maintenance

  • Support to pass through the device.ip signal in bid requests. The IP address provided in the device.ip takes precedence over any IP information included in the HTTP headers of the bid request.

9.28.0

2025-01-23

Maintenance

  • Support to pass through the ext.ibv signal for Flex Video and in-banner video.

9.27.0

2025-01-16

Bug fix

  • Fixed a typo in the request.options field.

9.10.0

2024-08-15

Maintenance

  • Removed dependency on eIDs allowlist.

9.8.0

2024-08-02

Maintenance

  • Added atype UID.

8.52.0

2024-06-13

Maintenance

  • Support to pass through the imp.ext.paapi extension.

8.36.0

2024-02-09

Maintenance

  • Added support for Digital Services Act (DSA) fields.

8.35.0

2024-02-09

Maintenance

  • Removed dependency on eIDs allowlist.

8.23.0

2023-11-09

Maintenance

  • Allow Media Owners to utilize their own external identifiers for inventory placements instead of relying solely onIndex-specific site IDs. The exchangeId can be configured at the bidder level and the externalId at the bidder ad unit level under bids.params.

8.20.0

2023-10-19

Maintenance

  • Added European Unified ID (EUID) and Criteo ID to the list of allowed eIDs.

8.18.0

2023-10-05

Maintenance

  • Support for signaling Google's Protected Audience API (formerly known as FLEDGE) auction requests.

8.15.0

2023-09-14

Maintenance

  • Support for GooglePAIR (Publisher Advertiser Identity Reconciliation) on Display & Video 360.

8.13.0

2023-09-07

New feature

  • Changes have been made in Prebid.js core to always add the plcmt field when it is missing and when the video.context field is set to outstream. Prebid.js will add plcmt: 4 as the default value, which is for no content or standalone video content.

8.10.0

2023-08-17

Maintenance

  • Support for multi-format ad units in a single bid request.

8.5.0

2023-07-21

Maintenance

  • Added screen resolution, which is the user device w and h, to the device object.

8.3.0

2023-07-06

Maintenance

  • Added 33Across to the list of allowed eIDs.

8.0.0

2023-06-15

Maintenance

  • Changes to support publisher opt-in for transactionId usage to be compliant with Prebid.js 8.0.0 policy.

7.54.5

2023-08-17

Maintenance and bug fix

  • Support for LiveIntent in Prebid's User ID module. In addition to version 7.54.5, LiveIntent is also supported in versions 8.8.0 and 8.5.0.

7.53.0

2023-06-08

Maintenance

  • Support for video.plcmt signal.

7.52.0

2023-06-01

Maintenance

  • Updated default video.placement value from 4 to 3.

7.46.0

2023-04-21

Maintenance

  • Support for adUnit-Specific First Party Data (FPD).

7.45.0

2023-04-13

Maintenance

  • Removed split logic and removed limiting max payload size of 8KB.

7.41.0

2023-03-16

Maintenance

  • Updated the location of additional consent in requests sent to the exchange.

7.36.0

2023-02-09

Maintenance

  • Refactored buildRequest() method to simplify and make it more readable.

  • Added support for imuIdSystem.

7.33.0

2023-01-20

Maintenance

  • Support for Global Privacy Platform (GPP).

  • Updated adapter to set bid.adm to vastXml when mtype = video is passed and vasturl is not set.

  • Updated adapter to retrieve user/agent hints and fixed tmax issues.

7.24.0

2022-11-03

Maintenance

  • Support for different SiteId's per media type (banner, video and native).

  • Increased bid request size limit.

7.23.0

2022-10-28

Maintenance

  • Migrated adapter requests to POST method.

7.21.0

2022-10-20

Maintenance

  • Updated adapter to end bid floor per size in the format.ext field.

7.19.0

2022-10-06

Maintenance

  • Switched from GET to POST method.

  • Updated adapter to set request source tid to auctionId.

7.17.0

2022-09-21

Maintenance

Updated sidlocation and removed its fallback logic. This included:

  • Fixed the location of imp[].ext.sid for banner requests (previously, sid was getting set under the incorrect imp[].banner.format.ext field).

  • Removed fallback to size logic as follows:

    • If Media Owners do not explicitly set the custom value for sid, we omit the field.

    • If Media Owners set a custom value for sid, we continue passing it.

7.16.0

2022-09-15

Maintenance

  • Stopped sending constructed GPID.

7.13.0

2022-09-01

Maintenance

  • Deprecated detecMissingSize configuration.

  • Added support for banner.pos.

7.12.0

2022-08-25

Maintenance

  • Support for native OpenRTB requests.

7.7.0

2022-07-21

Maintenance

  • Updated adapter to create GPID when GPID is not already created.

  • Fixed issue with improper placement of the video parameters for a display ad unit.

  • Updated TTL documentation for banner and video.

  • Added inventory identifiers to ixDiag such as Ad Unit Code and TID.

7.6.0

2022-07-14

Maintenance

  • Support for impression level transaction ID in imp[].ext.tid.

7.5.0

2022-07-07

Maintenance

  • Support for IMG based user syncs.

7.4.0

2022-06-30

Maintenance

  • Support for native media types.

7.2.0

2022-06-17

Maintenance

  • Support for outstream video float.

6.29.0

2022-06-08

Maintenance

  • Updated the adapter to point to a new endpoint.

6.25.0

2022-05-19

Maintenance

  • Added detected page url to ixdiag.

  • Updated implementation for outstream video.

  • Removed dependency on empty video object.

6.12.0

2022-02-16

Maintenance and bug fix

  • Updates to GPID, dfp_ad_unit_code, pageUrl, and Index's renderer.

6.11.0

2022-02-10

Maintenance

  • Suport for trustpid.com and removed a few user providers.

6.5.0

2021-12-10

Maintenance

  • Support for GPID for banner slots from Prebid's gpid or pbadslot parameters.

  • Support for ID5, Lotame Panorama ID, Epsilon Publisher Link, Audigent Halo ID, and SharedID.

  • Updated adapter to use siteId as string type.

6.4.0

2021-12-09

Bug fix

  • Fixed infinite loop issue.

6.1.0

2021-11-10

Maintenance

  • Support for handling vastXML responses.

  • Support to capture errors in local storage and send these errors in the bid request.

5.20.0

2021-10-27

Bug fix

  • Moved dfp_ad_unit_code to imp.ext.

5.19.0

2021-10-20

Maintenance

  • Updated adapter to signal 1PA by default.

5.13.0

2021-09-09

Maintenance

  • Support for for Index's Outstream Renderer.

  • Refactored buildRequests.

5.10.0

2021-08-18

Maintenance

  • Support for First Party Data module.

5.3.0

2021-07-01

Maintenance

  • Updated adapter to use OpenRTBimp[].banner.format to build requests.

5.2.0

2021-06-23

Maintenance

  • Updated adapter to prioritize Prebid.jspriceFloors module floors over Index bidder floors.

5.1.0

2021-06-16

Maintenance

  • Updated adapter to read placement field from video parameters. If not present in the request, it sets a default placement.

4.43.0

2021-06-10

Maintenance

  • Updated bidder level size parameter as optional.

  • Updated adapter to read video parameters from ad unit.

4.42.0

2021-06-02

Maintenance

  • Support for GPT Pre-Auction Module, allowing ingestion of dfp_ad_unit_code (which is used for GPID in the absence of actual GPID) from the adslot parameter.

4.41.0

2021-05-27

Maintenance

  • Support for COPPA, dealid, seat[].bid[].exp, and flocId.

4.36.0

2021-04-22

Maintenance and bug fix

  • Support for UID2.0.

  • Updated adapter to report which userIds available in the ixdiag diagnostics object.

  • Resolved negative size bug.

4.33.0

2021-04-01

Maintenance

  • Support for Roundel adapter.

4.32.0

2021-03-24

Maintenance

  • Support for Prebid floors module.

4.27.0

2021-02-17

New feature

  • Support for Prebid version.

4.26.0

2021-02-10

Maintenance

  • Support for addtlConsent.

4.24.0

2021-01-27

Maintenance

  • Support for multi-format, video adunit, and IXdiags.

4.16.0

2020-11-12

Maintenance

  • Added test parameters for validating bids.

4.15.0

2020-11-04

Maintenance and bug fix

  • Fixed issues in splitting large requests into multiple requests and giving Media Owners the ability to deactivate the multi-size support feature.

  • Updated adapter to detect missing sizes.

  • Support for media type renderers. This means that for hybrid ad units we should define the outstream renderer only in the video format.

4.0.0

2020-07-23

Maintenance

  • Support for advertiserDomains meta field.

3.27.0

2020-07-23

Maintenance

  • Updated the adapter's ASEDGE HTLB bid request endpoint.

3.26.0

2020-07-16

Maintenance

  • Support for Liveramp userId sub-module and read sizes from adUnit.mediaTypes.banner.

3.13.0

2020-03-25

New feature

  • Updated adapter to register user syncs.

3.11.0

2020-03-11

Maintenance

  • Increased banner TTL to 300s.

3.5.0

2020-01-30

New feature

  • Support for schain module.

2.11.0

2019-04-16

New feature

  • Updated adapter to support identity.