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Thunderbird Beta for Testers 21.0b2 Overview
Thunderbird Beta for Testers 21.0b2 was released by Mozilla Thunderbird on Jul 1, 2026, with a download size of about 16.3 MB. This update includes bug fixes and performance improvements.
You can download Thunderbird Beta for Testers 21.0b2 from APKPure with confidence. The APK file has been verified for its signature and file integrity to ensure a safe installation.
Check the "What's New" section below to see changelog details for version Thunderbird Beta for Testers 21.0b2, and view "APK Info" for package details, system requirements, and compatibility information.
As new versions of Thunderbird Beta for Testers are continuously developed, we recommend keeping the app up to date for the best experience. Download the Latest Version
What's New in Version 21.0b2
Jul 1, 2026
Thunderbird version 21.0b2
Fixed:
- Manage Folders opened the wrong account instead of the selected account
- Application crashed when attempting to change account color
APK Info
- Package Namenet.thunderbird.android.beta
- Version21.0b2
- File FormatXAPKAPKs
- File Size16.3 MB
- Architecturearm64-v8a
- LanguagesEnglish 48 more
- Content RatingEveryone
- Security Report
- Signaturea17411f1092ca647500a8b6f0297e205088f4015
- FeedbackFlag as inappropriate
- Developer VerificationVerified
Thunderbird Beta for Testers Download APK 21.0b2 (16.3 MB)
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