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# Android changelog

## September 15, 2026

## Version 5.3.3

* Bug fixes and improvements.

## September 4, 2026

## Version 5.3.2

* Bug fixes and improvements.

## September 3, 2026

## Version 5.3.1

* Bug fixes and improvements.

## August 19, 2026

## Version 5.3.0

* Bug fixes and improvements.

## July 26, 2026

## Version 5.2.0

* PX3 and PX2 token support for the same App ID — both can be active at once.
* Bug fixes and improvements.

## July 13, 2026

## Version 5.1.0

* Added challenge presentation modes (full screen, top, bottom, and center); on Android, challenge lifecycle handling now uses onPause/onResume only instead of also dismissing on onStop, so overlay presentations remain visible while the host activity is paused or covered.
* Bot Defender: added a `solvedWithError` challenge outcome when the user completes a challenge but the SDK cannot finalize the session token.
* Doctor App v2: new and improved UX for integration verification and testing.
* Added a public SDK logger for integration diagnostics.
* Deprecated the single-argument `handleBlockResponse` callback in favor of `handleBlockResponseWithReason`.
* Bug fixes and improvements.

## June 24, 2026

## Version 5.0.1

* Bug fixes and improvements

## June 23, 2026

## Version 4.2.15

* Bug fixes and improvements

## May 13, 2026

## Version 5.0.0

* Added support for Android API Level 36.
* Change some API signatures.
* Updated dependencies.
* Bug fixes and improvements.

## May 12, 2026

## Version 4.2.14

* Bug fixes and improvements.

## April 28, 2026

## Version 4.2.13

* Bug fixes and improvements.

## April 16, 2026

## Version 4.2.12

* Bug fixes and improvements.

## April 9, 2026

## Version 4.2.11

* Bug fixes and improvements.

## March 26, 2026

## Version 4.2.10

* Fixed an issue where the SDK's obfuscated class names could collide in build tools that perform case-insensitive class analysis.

## March 18, 2026

## Version 4.2.9

* Fixed an issue where the SDK could fail to communicate with its backend when the host app includes dependencies that resolve `Ktor` to version `3.1.0` or higher, resulting in no traffic being sent.

## February 24, 2026

## Version 4.2.8

* Fixed a crash that could occur when presenting a challenge on certain Samsung devices running Android 16, caused by an OS-level bug in Android's resource loading. The SDK now handles this failure gracefully and notifies your app via the `botDefenderChallengeCancelled` delegate callbacks.

## February 18, 2026

## Version 4.2.7

* Android stability fix for pre-initialization SDK access.

## February 1, 2026

## Version 4.2.6

* Stability improvements on Android, addressing an initialization crash and improving reliability during concurrent processing.

## January 15, 2026

## Version 4.2.5

* Enhanced response handling to detect block responses regardless of their position within a JSON payload.

## December 6, 2025

## Version 4.2.4

* Performance optimizations and stability improvements for Android 15 (SDK 35).
* Internal logic updates to support multi-threaded environments in React Native.

_Showing the 20 most recent of 34 entries. Append `/llms.txt` to the changelog URL for the complete index._