5.4.0

Version 5.4.0 (2025-11-20)

Support for the following native SDK dependencies:

• Android: com.chartboost:chartboost-mediation-sdk:5.4.+
• iOS: ChartboostMediationSDK ~> 5.4.0

Fixed

• Memory leak in UnityBannerAd where event subscriptions were never cleaned up
• Memory leak in BannerVisualElement where event subscriptions were never cleaned up
• Native memory leak in Android FullscreenAdQueue missing proper disposal
• Memory leak in iOS FullscreenAdQueue missing IDisposable implementation
• Cache memory leak in iOS BannerAd missing AdCache.ReleaseAd() call
• Cache memory leak in Android BannerAd missing AdCache.ReleaseAd() call
• Race condition in UnityBannerAd allowing multiple concurrent async sync tasks
• AdLoadRequest finalizer causing GC thread deadlocks (finalizer removed)
• Null reference exception in AndroidExtensions.MapToWinningBidInfo()
• Null reference exception in Android FullscreenAd.Events using wrong error variable
• Android observers being prematurely garbage collected
• Thread-safety issues in AdCache (converted to ConcurrentDictionary)

Changed

• Updated com.chartboost.core dependency from 1.0.2 to 1.1.0
• Updated com.chartboost.unity.utilities dependency from 1.0.2 to 1.0.4

5.3.0

Version 5.3.0 (2025-05-27)

• Support for the following 1Chartboost Mediation` dependencies. Notice dependencies are optimistic and any patches and hot-fixes will be automatically picked up:
  • Android: com.chartboost:chartboost-mediation-sdk:5.3+
  • iOS: ChartboostMediationSDK ~> 5.3.0

5.2.0

Version 5.2.0 (2024-11-14)

Improvements:

• Added a new BannerVisualElement API which allows creating and loading of banner ads using Unity UI Toolkit.

5.1.0

Version 5.1.0 (2024-10-03)

Improvements:

• Added internal logic to cache and retrieve ILRD events when application context is lost.
• Added internal logging logic to report debug information from native wrappers.
• Added the following events to BannderAd and UnityBannerAd API:
  • DidBeginDrag : Triggered when a BannerAd container begins dragging on the screen.
  • DidEndDrag : Triggered when a BannerAd container finishes dragging on the screen.

5.0.0

Version 5.0.0 (2024-08-08)

Improvements:

• Completed rebranding all APIs to Chartboost Mediation.
• Initialization of Chartboost Mediation now utilizes Chartboost Core SDK. Please review the Initialize Mediation and Core SDK documentation.
• Privacy and consent signals are now set through Chartboost Core SDK.
• Ad Adapter are now distributed in separate independent packages through npm & NuGet.
• ChartboostMediationBannerView is now named IBannerAd.
• ChartboostMediationUnityBannerAd is now named UnityBannerAd.
• ChartboostMediationFullscreenAd is now named IFullscreenAd.

Removed:

• ChartboostMediationInterstitialAd.
• ChartboostMediationRewardedAd.
• Explicit ChartboostMediation.DidStart delegate.
• Explicit ChartboostMediation.UnexpectedErrorOccurred delegate.
• AdaptersWindow type and distribution method of adapters.

Review our Migration from Mediation 4.x to 5.x documentation for more information.

4.9.0

Version 4.9.0 (2024-03-21)

The following new dependencies are added :

"com.chartboost.unity.threading": "1.0.0"

"com.chartboost.unity.utilities": "1.0.0"

Improvements:

• Added support for Ad Queueing. Ad Queueing is a new feature that builds upon the existing Fullscreen ad experience that allows Publishers to queue up multiple Fullscreen ads and show them in succession.

API Changes:

• Added Fullscreen Ad related events to IChartboostMediationFullscreenAd object.
• Marked events in ChartboostMediationFullscreenAdLoadRequest as deprecated. Use events from IChartboostMediationFullscreenAd instead.

4.8.0

Version 4.8.0 (2024-02-08)

The following ad networks have been deprecated:

• AdColony
• TapJoy
• Yahoo

Improvements:

• New Chartboost Mediation Unity SDK demo app.
• Add Size to ChartboostMediationBannerAdLoadResult.

Bug Fixes:

• Fixed an issue with incorrect order of callbacks when ContinueWithOnMainThread Task extension is used.
• Fixed an issue where CustomData would always be null for iOS fullscreen placements.
• Fixed an issue where SKAdNetwork utilities would fail to account for JSON parsing issues.
• Fixed an issue where AdapterWindows utilities would fail to account for deprecated ad networks.

Full Changelog: 4.7.0...4.8.0

4.7.0

What's Changed

• [HB-6570] Create pull_request_template.md by @kushG in #191
• [HB-6541][HB-6646] Fix Calling Deprecated Functions And Features in All Platforms by @SCastanedaMunoz in #192
• [HB-6575] Implement Public API InitializedAdapterInfo by @kushG in #193
• [HB-6639] Adds ContainerSize to BannerView API by @kushG in #194
• [HB-6642] Update Usage of Getting Screen Scale on iOS17+ by @bwised in #195
• [HB-6693] Banner Ads Loaded Using BannerView API Always Loads at top-left Irrespective of Whatever screenLocation is Selected by @kushG in #196
• [HB-6543] Add API to Allow Game Publishers to Specify the ChartboostMediationSettings Object by @SCastanedaMunoz in #197
• Platform Fix for ChartboostMediationBannerAdWrapper.h by @kushG in #198
• [HB-6544][HB-6712][HB-6713] Updating Hardcoded Values into Constants, Adaptive Banner Architectural Fixes, Modular Editor Windows by @SCastanedaMunoz in #199
• [HB-6717] AdaptersInfo Should Be a Struct Accessor Not a Class Returned In a Function by @SCastanedaMunoz in #200
• [HB-6718] Provide Task Continuation Extension for Main Thread by @SCastanedaMunoz in #201
• [HB-6635] Per Partner Consent APIs by @SCastanedaMunoz in #203
• [HB-6635] Fixing Broken Extern Method in iOS Bridge by @SCastanedaMunoz in #204
• [HB-6747] Passing Context when Getting Partner Consent in Android by @SCastanedaMunoz in #206
• [HB-6715] 4.7.0 CHANGELOG.md & Documentation by @SCastanedaMunoz in #207
• [HB-6524] Public NuGet Distribution by @kushG in #205
• [HB-6714] Compare SDK Version Against Versions inpackage.json and .nuspec by @kushG in #208
• [HB-6524] Update status.yml by @kushG in #209
• [HB-6714] VersionCompareTest Fix for NuGet by @kushG in #210

Full Changelog: 4.6.0...4.7.0

4.6.0

What's Changed

• [HB-6464] Updating EDM to version 1.2.177 by @SCastanedaMunoz in #169
• [HB-6379] Include Adaptive Banner Support in Unity by @kushG in #166
• [HB-6495] Refactor ChartboostMediationBannerAdSize to be used as Struct and use Enum for Name Field by @kushG in #170
• [HB-6514 ] Include API to Allow Resizing of Gameobject Banner Based on Adaptive Banner Size by @kushG in #171
• [HB-6515] Add Missing Meta Files by @kushG in #172
• [HB-6516] Create a Separate Size Object for Newer Banner API Instead of Updating the Size from Deprecated API by @kushG in #173
• [HB-6521] Add Android Update on Bridge for SizeType Enum Change of ChartboostMediationBannerSize by @kushG in #174
• [Setup] Updating Dependencies and Package Information by @SCastanedaMunoz in #175
• [HB-6558] Remove UnityBannerAd Creation Option from Chartboost Mediation MenuItem by @kushG in #176
• [HB-6379] Fix For Load With x,y on Unsupported BannerView by @kushG in #177
• [HB-6453] Mark ChartboostMediationBannerAd API as Deprecated by @kushG in #178
• [HB-6572] Always Keep the BannerAd within the Safe Area by @kushG in #179
• [HB- 6580] Fix Resize when ChartboostMediationBannerView API is in use by @kushG in #180
• [HB-6545] Logger.LogError should call Debug.LogError by @SCastanedaMunoz in #181
• [HB-6583] Chartboost Mediation Unsupported Should Call DidStart with Error by @SCastanedaMunoz in #182
• [HB-6597] Adaptive Banner Fixes by @kushG in #183
• [HB-6601] Fix for Crash on Banner Ad Reset by @kushG in #184
• Update CHANGELOG.md by @kushG in #185
• [HB-6599] Adds a MoveTo Internal API Call to Sync UnityBannerAd GameObject Position with Native View by @kushG in #186
• [HB-5971]Update README.md with Instructions and Sample Code for Using the Adaptive Banner 3D GameObject by @kushG in #187
• [HB-5971] Update loading-ads.md to Include More Details On Adaptive Banners by @kushG in #188

Full Changelog: 4.5.0...4.6.0

4.5.0

What's Changed

• [HB-6283] Fixing Typo in Ad-Adapters.md by @kushG in #163
• [HB-6302] Update Chartboost Mediation Dependencies for 4.5.0 by @SCastanedaMunoz in #164
• [HB-6390] Suppress Deprecation Warnings When Internal Methods Are Using Deprecated Enums/Methods by @SCastanedaMunoz in #165

Full Changelog: 4.4.0...4.5.0