What is the latest Thunderbird version?

Thunderbird's official page supplies the current release-channel build for each supported platform and language.

Should I choose 32-bit or 64-bit Thunderbird on Windows?

Use 64-bit on most current Windows PCs. Choose 32-bit only when the installed Windows architecture or a specific compatibility requirement needs it.

Does Thunderbird support Apple silicon?

Yes. Current Thunderbird supports Apple-silicon and Intel Macs on supported macOS releases.

Latest version

Latest Thunderbird version: Current Thunderbird release-channel build

The current verified stable version of Thunderbird is Current Thunderbird release-channel build.

Stable releaseCurrent Thunderbird release-channel build

Release date not listed. Source verified: 2026-07-17. Source: Thunderbird official release download.

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Choose the right Thunderbird download

Source-backed version details

Catalog source

Thunderbird official release download

Verification status

Source verified: 2026-07-17.

Release date

Release date not listed.

Thunderbird latest-version FAQ

What is the latest version of Thunderbird?

The latest verified stable version of Thunderbird is Current Thunderbird release-channel build. The release date is not listed in the catalog yet.

Where should I verify Thunderbird releases?

Use Thunderbird official release download or the official Thunderbird website before critical installs. What-Version links to official sources and does not mirror installers.

Where do I download Thunderbird?

Use the official Thunderbird download page to choose the right build for macOS, Windows, Linux, iOS, or Android when one is verified.