This section contains the release notes for different versions of the Header Bidding wrapper.
Version 6.75.0 (2026-01-27)
Console: Update console to v1.3.0 (fix disableClientSideAdapters to disableBiddersClientSide)
Missing Modules: fix disableClientSideAdapters to disableBiddersClientSide
Version 6.74.0 (2026-01-20)
Config: remove misspelled properties in config.json : emtpyCreativeFallback and preViewLenght and deprecated disableClientSideAdapters
Version 6.73.0 (2025-12-30)
Config: Fixed typo in lazyLoading.preViewLenght β preViewLength (missing 'n' in "Length");
Config: Fixed typo in dfp.emtpyCreativeFallback β emptyCreativeFallback (missing 'p' in "empty");
Config: Fixed typo in log message porviews β viewports;
Config: Added config validation - required properties (id, code, globalVar) now throw errors if missing; added default values for required-with-defaults properties;
Version 6.72.0 (2025-12-23)
Automation: Added bidders that do not support safe frames to disabled bidders when safe frames are enabled: 'adocean','alvads','ogury','programmaticX','topon','uniquestWidget';
Config: Changed disableClientSideAdapters to disableBiddersClientSide representing better what it does;
Version 6.71.0 (2025-12-16)
Overlay: Remove Bid Won from overlay
Version 6.70.0 (2025-12-09)
Version 6.69.0 (2025-12-02)
Version 6.68.0 (2025-11-18)
Intelligent bidder manager: Remove disableBiddersToStorage, now can use Intelligent bidder manager
PatterBlocking: For geo pattern blocking, send the rule as index of the rule, not country code, to be able to report in analytics
Version 6.67.0 (2025-11-11)
IAS: Do not display slide if is empty
IAS: Added maxEmptySlides to stop adding slides if too many empty slides had been displayed
IAS: Do not display until the ad creative is rendered
IAS: addSlideThreshold default change from 0.8 to 0.7
Intelligent bidder manager: Prioritize bidders that do not throw errors, do not timeout and don't have SRA (dynamic and with TTL)
Auction Count the number of HTTP request for each bidder
Bid cache Fix issue not setting cache bids to multiple adunits on the page
Version 6.66.0 (2025-11-04)
BidCaching: Fixed issue where lazyloaded or skipped ad units were incorrectly cached.
TestBids: Updated visuals with borders and visible size labels.
Geo PatternBlocking: Added country-level matching index support.
Amazon Timeout: Introduced configurable and default timeout behavior for Amazon.
injectAtAuctionInit: Removed feature due to no measurable improvement.
SafeFrame Protection: Added optional config to disable automatic safeframe protection for unsupported networks.
Version 6.65.0 (2025-10-28)
splitAdUnitsBySizes do not send bids to filter out bids by sizes
maxLimit=0 and maxLimit=false is different
option to add cache bids in auction init
patten blocking remove the enable option (is enabled per rule)
patter blocking geo block
added flexible safe frame signal
Version 6.64.0 (2025-10-21)
Changed from simple disabling bidders on errors to Intelligent Bidder Error Manager
Improvements to storage bid cache (Improvement: Adunit-Based Indexing, Auction-Filtered Bid Retrieval, Memory-Cached DOM Queries, Pre-Computed Size Matching, Optimized getBoundingClientRect() Usage, automatic Cleanup System )
Added config.wrapper.requestForEachSize
Version 6.63.0 (2025-10-14)
Update analytics endpoint to clear cache
Version 6.62.0 (2025-10-07)
Track load time in pageviews
Track viewport width/height
Version 6.61.0 (2025-09-30)
Modify and analyze some formatting and check scripts
Version 6.60.0 (2025-09-23)
Change pattern blocking to return the matching rule
Check browser for integrity checks
Version 6.59.0 (2025-09-16)
DFP to GAM transition plan
Version 6.58.0 (2025-09-09)
Update bidder list that does not support SafeFrames
Amazon Schain new config instead of global schain
Version 6.57.0 (2025-09-02)
Clean fallback renderers that already delivered
IAS Format - inherit device, sizes, additional sizes, targeting
Check if device should be skipped before richmedia
Check lazyloading before container
Move analytics functionality to a different file so it can be imported
Shuffle sizes and send key value fsize to see if there is any impact
Remove hard-coded aliases
Remove disable bidders query string
Disable fast click protection
Refactor Native Functionality
Disable Native Functionality
IAS - stored bids work on sequential slides
IAS - disable for richmedia formats
Version 6.56.0 (2025-08-26)
Make sure KueezRTB S2S doesn't have pId
Remove unnecessary variables in functions
Refresh Count and Accelerate Refresh tracking on elemenet instead of GAM adunit
Improve Amazon refresh declaration
Faster checks for targeting flags
Added PageNavigationType Targeting
Upgrade console to v.1.2.0 (Added Schain Tab)
Version 6.55.0 (2025-08-19)
Updated to Prebid 9.53.2.
Remove preloading of GPT and Amazon
UserID A/B testing - throw each user ID test into a random bucket
Infinite Ad Slider Format
Version 6.54.0 (2025-08-12)
Own wrapper viewability provider for refresh
Version 6.53.0 (2025-08-05)
Updated to Prebid 9.53.1.
Bid Timeout Troubleshoot message updated to include Prebid Server timeout
Do not show on page notification if document body is not ready
Version 6.52.0 (2025-07-29)
Updated to Prebid 9.52.0.
Change the size validation to eliminate any entries if the sizes have more than 2 entries
Send Troubleshooting messages to console (No Ads, No GPT response, GPT not loaded, Targeting prefix enabled so SafeFrame and S2S disabled, SafeFrames enabled and A9 disabled, Rendering Ad with Fallback Renderer, Cannot render ad with Fallback Renderer due to being a richmedia format, An ad having both timed and viewable refresh, called processing ads without an ad element on page, cannot find a div id for the ad, the div id is not handled by the wrapper, too many adunits into one single call, bidders that timeout, Ad render fail, ad render stale, ad render expired, any auction debug - including bidder failing to reach endpoints or modules not being included)
Remove hard-coded test pages
Version 6.51.0 (2025-07-22)
Updated to Prebid 9.51.0.
Added hb_rpb (Ranged Price Bucket) key-value.
Version 6.50.0 (2025-07-15)
Updated to Prebid 9.50.0.
Removed Chrome facilitating testing.
Topics API is no longer enabled by default, but can still be configured.
Version 6.49.0 (2025-07-08)
Updated to Prebid 9.49.1.
Version 6.48.0 (2025-07-01)
Updated to Prebid 9.48.0.
Fixed Gulp version incompatibility.
Fixed fancyLog migration.
Fixed PluginError migration.
Added utility function to show page notifications.
Implemented page notifications for tracked bids.
Implemented page notifications for test bids.
Updated wrapper console version to 1.0.0.
Console is now specific to the global variable.
Modified console log styling.
Removed TopicsAPI A/B Test to Publisher Provided Signals.
Version 6.47.0 (2025-06-24)
Updated to Prebid 9.46.0.
Introduced userSync.triggerAction and userSync.triggerDelay configurations.
Version 6.46.0 (2025-06-17)
Updated to Prebid 9.45.0.
Updated babel/eslint-parser to version 7.27.5 to fix eslint ^9.x.x incompatibility.
Fixed polyfill inclusion.
Disabled babel-caching for webpack.
Fixed debugging mode due to Prebid 9.45.0 issues; reverted commit [5a85f82].
Version 6.45.0 (2025-06-10)
Updated to Prebid 9.44.1.
Updated the list of bidders that do not support Safe Frames.
Version 6.44.0 (2025-06-03)
Added ACAT to whitelist key values.
Version 6.43.0 (2025-05-27)
Updated to Prebid 9.43.0.
Removed UUID, CACHE_ID, and CACHE_HOST values from targeting to prevent S2S bids from being considered in AMP or in-app.
Version 6.42.0 (2025-05-20)
Updated to Prebid 9.42.0.
Ensured UUID starts with a letter to avoid CSS selector problems.
Implemented tracking for staleRender, expiredRender, and adRenderFailed events.
Improved bot detection by removing cookie checks and adding invalid/spoof checks.
Version 6.41.0 (2025-05-13)
Updated to Prebid 9.41.0.
Removed pre-connect bidders and analytics.
Removed dfp.adExpansion as Inventory Rules in GAM now handle this.
Modified UserSync firing mechanism; now configurable on click, scroll, idle, or timed events.
Updated CoreWebVitals tracking to v5, addressing breaking changes.
Prepared for deprecation of ortb2Imp.ext.data.pbadslot.
Version 6.40.0 (2025-05-06)
Updated to Prebid 9.40.0.
Improved bot detection by removing screen, webdriver, headless, and touch checks.
Fixed ua_bot in bot detection.
Version 6.39.0 (2025-04-29)
Updated to Prebid 9.39.0.
Prioritized GDPR: if GDPR is set, GPP will not be sent.
Improved basic bot detection.
Processed data-aa-targeting as string for boolean and number values.
Version 6.38.0 (2025-04-22)
Updated to Prebid 9.38.0.
Version 6.37.0 (2025-04-15)
Updated to Prebid 9.37.0.
Version 6.36.0 (2025-04-08)
Updated to Prebid 9.36.0.
Version 6.35.0 (2025-04-01)
Updated to Prebid 9.35.0.
Improved GPP tracking; removed MspaOptOutOptionMode and MspaServiceProviderMode.
Implemented tracking for session winning bids via URL query string.
Version 6.34.0 (2025-03-25)
Updated to Prebid 9.34.0.
Set userSync.auctionDelay to 50ms; any value greater than 0 will initialize User IDs before auction, reducing delay impact.
Increased CMP timeout to 90 seconds.
Version 6.33.0 (2025-03-18)
Updated to Prebid 9.33.0.
Froze PenPal version used in console to fix incompatibility issues.
Version 6.32.0 (2025-03-11)
Updated to Prebid 9.32.0.
Version 6.31.0 (2025-03-05)
Updated to Prebid 9.31.0.
Implemented CWV data ingest for A/B test data.
Version 6.30.0 (2025-02-25)
Updated to Prebid 9.30.0.
Implemented analytics tracking for bidder errors.
Implemented analytics tracking for excessive ads on page.
Version 6.29.0 (2025-02-18)
Updated to Prebid 9.29.0.
Initial release of bot detection and blocking.
Version 6.28.0 (2025-02-11)
Updated to Prebid 9.28.0.
Changed cache storage for bids from session to local.
Version 6.27.0 (2025-02-04)
Updated to Prebid 9.27.0.
Version 6.26.0 (2025-01-28)
Updated to Prebid 9.26.0.
Version 6.25.0 (2025-01-14)
Updated to Prebid 9.25.0.
Converted Criteo networkId to string for S2S validation.
Version 6.24.0 (2025-01-07)
Updated to Prebid 9.24.0.
Version 6.23.0 (2024-12-31)
Updated to Prebid 9.23.0.
Version 6.22.0 (2024-12-24)
Limited S2S user syncs to 20.
Added console USP API deprecation notice.
Version 6.21.0 (2024-12-17)
Updated to Prebid 9.22.0.
Ensured cookiesEnable does not throw errors for non-stringified JSON messages.
Ensured key-value mapping uses string values, not arrays.
Added new CMP console messages.
Fixed Config page on Console.
Version 6.20.0 (2024-12-10)
Updated to Prebid 9.21.0.
Updated the list of bidders that do not support safe frames.
Version 6.19.0 (2024-12-03)
Updated to Prebid 9.20.0.
Modified and made configurable how Disabled Bidders to Storage works.
Made disableBiddersToStorage configurable.
Implemented analytics track sampling.
Implemented tracking for pageviews with no ads.
Implemented CWV tracking.
Added Topics API A/B test key values.
Version 6.18.0 (2024-11-26)
Updated to Prebid 9.19.0.
Prevented adding bidders on bidderError if it's an S2S request.
Version 6.17.0 (2024-11-19)
Updated to Prebid 9.18.0.
Version 6.16.0 (2024-11-12)
Updated to Prebid 9.17.0.
Implemented pauseOutOfView at the adunit level.
Version 6.15.0 (2024-11-05)
Updated to Prebid 9.16.0.
Fixed hb_bd and hb_cs after targeting update.
Added failsafe to prevent multiple observations of elements in view.
Version 6.14.0 (2024-10-29)
Version 6.13.0 (2024-10-22)
Removed KueezRTB from disabled bidders when safe frame is enabled.
Added dfp.houseFallback configuration.
Added targeting.domain configuration.
Added destroy(null,false) second parameter to prevent element removal.
Added targeting.id configuration.
Added targeting.code configuration.
Version 6.12.0 (2024-10-15)
Updated to Prebid 9.15.0.
Added config.refresh.pauseOutOfView.
Implemented element removal on destroy.
Version 6.11.0 (2024-10-08)
Updated to Prebid 9.14.0.
Added Refreshed Accelerate Seconds Key Value Targeting.
Implemented Wrapper Version tracking.
Version 6.10.0 (2024-10-01)
Updated to Prebid 9.13.0.
Version 6.9.0 (2024-09-24)
Updated to Prebid 9.12.0.
Added new S2S default bidders: "adyoulike", "ix", "iqzone", "mediafuse", "minutemedia", "oms", "richaudience", "rise", "sharethrough", "unruly", "rubicon".
Version 6.8.0 (2024-09-17)
Implemented sending IP to bidders as ortb2.
Implemented tracking for FallbackImpressions with distinct events for failedToFetchFallback and emtpyCreativeFallback.
Refactored fallback renderer.
Refactored refresh queue to prepare for view-only refresh availability.
Version 6.7.1 (2024-09-11)
Fixed issue with 3rd party cookie iframe insertion when no body is available.
Version 6.7.0 (2024-09-10)
Updated to Prebid 9.11.0.
Changed targeting.cookieEnabled to test cookies from 3rd party domains.
Added refresh.continueOnEmpty.
Version 6.6.0 (2024-09-03)
Updated to Prebid 9.10.0.
Removed get domain helper function.
Version 6.5.0 (2024-08-27)
Added targeting.cookieEnabled.
Version 6.4.0 (2024-08-20)
Added targeting.refreshedInventory key-value to track if inventory is refreshed.
Version 6.3.0 (2024-08-13)
Version 6.2.0 (2024-08-06)
Changed consent timeout to 1000ms.
Changed GPP notifications to console.
Version 6.1.0 (2024-07-30)
Removed S2S timeout from config.
Version 6.0.0 (2024-07-23)
Remade GeoFilter User ID.
Increased maxEntryPoints for webpack.
Updated consentModule TCF.
Removed useless comments from final build.
Implemented Script Src URL tracking.
Implemented Conditional Timeout.
Changed Prebid server config timeout to maxTimeout.
Version 5.50.0 (2024-07-16)
Changed timeout to maxTimeout, picking up values from config.json.
Version 5.49.0 (2024-07-09)
Version 5.48.0 (2024-07-02)
Version 5.47.0 (2024-06-25)
Upgraded to Prebid 8.52.0.
Added lazyloadfetchportview to setWrapperConfig.
Disabled bidders that are not Safe Frame compatible when Safe Frames are enabled.
Version 5.46.0 (2024-06-18)
Upgraded to Prebid 8.51.0.
Fixed automatic disabling of SafeFrames and S2S if a custom prefix is set.
In PubProvidedID module, if no IDs are returned, undefined is returned to set correct targeting.
PubProvidedID module now accepts eidsFunction as a string in config to execute the window function with that name.
Version 5.45.0 (2024-06-11)
Upgraded to Prebid 8.50.0.
Version 5.44.0 (2024-06-04)
Upgraded to Prebid 8.49.0.
Updated webpack to prevent splitting into core-chunk.
Version 5.43.0 (2024-05-28)
Upgraded to Prebid 8.48.0.
Updated console to 0.6.3 version (fixed CWV deleting navigation Types).
Removed AdRizer Analytics.
Version 5.43.0 (2024-05-21)
Upgraded to Prebid 8.47.0.
Updated console to 0.6.2 version (added refresh to console, fixed CWV).
Fixed standalone debugging; reverted hard-coded fix.
Version 5.42.0 (2024-05-14)
Upgraded to Prebid 8.46.0.
Suppressed webpack entrypoint size errors/warnings.
Version 5.41.1 (2024-05-02)
Fixed constants for targetingPrefix.
Version 5.41.0 (2024-04-30)
Upgraded to Prebid 8.45.0 (skipped 8.44.0 due to PR 11356arrow-up-right , which affected Safe Frames creatives).
Version 5.40.0 (2024-04-23)
Upgraded to Prebid 8.43.0.
Implemented impression tracking for fallback renderer.
Enabled suppression of stale renders.
Disabled safe frames if targetingPrefix is set.
Disabled Amazon if forceSafeFramesUnderFloor applies.
Version 5.39.0 (2024-04-16)
Upgraded to Prebid 8.42.0.
Disabled S2S when a custom targeting prefix is set.
Version 5.38.0 (2024-04-09)
Upgraded to Prebid 8.41.0.
Version 5.37.0 (2024-04-02)
Upgraded to Prebid 8.40.0.
Ad Expansion: UI settings are now preserved if not explicitly set.
Added Taboola endpoint to Topics API.
Version 5.36.0 (2024-03-26)
Upgraded to Prebid 8.39.0.
Added config.dfp.adExpansion to configure googletag.config.PageSettingsConfig_adExpansion.
Version 5.35.0 (2024-03-19)
Upgraded to Prebid 8.38.0.
Version 5.34.0 (2024-03-12)
Upgraded to Prebid 8.37.0.
Added Topics API OpenX Endpoint.
Added Topics API Onetag Endpoint.
Updated analytics endpoints.
Version 5.33.0 (2024-03-05)
Upgraded to Prebid 8.36.0.
Disabled creative building for local testing.
Enabled user-agent-client-hints for enrichmentFpdModule.
Version 5.32.0 (2024-02-27)
Upgraded to Prebid 8.35.0.
Added ImproveDigital caller for Topics API.
Version 5.31.0 (2024-02-20)
Upgraded to Prebid 8.34.0.
Changed UTM targeting from cookies to localStorage.
Removed cookie helper functions; now using storageManager functions.
Changed __gads cookie and targeting to use storageManager.
Version 5.30.0 (2024-02-13)
Upgraded to Prebid 8.33.0.
Version 5.29.0 (2024-02-06)
Upgraded to Prebid 8.32.0.
Added config.dfp.forceSafeFramesForAdunits.
Improved console log parameters for clarity.
Analytics: tracking referrer for cross-domain iframes as urlTop.
Version 5.28.0 (2024-01-30)
Upgraded to Prebid 8.31.0.
Made topicsapi key-value configurable.
Version 5.27.0 (2024-01-23)
Upgraded to Prebid 8.30.0.
Sends topicsapi GAM key-value based on picked-up Topics API.
Removed Save Ads functionality (to be rebuilt later).
Added URL parameter to enable overlays: $$PREBID_GLOBAL$$Overlay.
Removed dependency on cookies for console; now uses localStorage without storing user input.
Version 5.26.0 (2024-01-16)
Upgraded to Prebid 8.29.0.
Enabled Topics API Module.