Thunderbird Release Notes

Thunderbird release notes are specific to each version of the application. Select your version from the list below to see the release notes for it.

Thunderbird is an open source project, which means anyone can contribute ideas, designs, code, and time helping fellow users.

Thunderbird — это бесплатная почтовая программа, лёгкая в установке и настройке — и имеющая множество великолепных возможностей!

Experience cutting edge features. Provide feedback to help refine and polish what will be in the final release.

Help us test the newest developments made to Thunderbird every day by using the unstable Daily channel.

WARNING! Daily is an unstable testing and development platform, make sure you back up important data regularly!