# Changes and updates * Update _Tor Browser_ to [10.5.4](https://blog.torproject.org/new-release-tor-browser-1054).
* Update _Thunderbird_ to [78.12](https://www.thunderbird.net/en-US/thunderbird/78.12.0/releasenotes/) # Fixed problems * Prevent _Tails Installer_ from deleting a Persistent Storage when doing a manual upgrade and choosing **Cancel** in the confirmation dialog. ([#18494](https://gitlab.tails.boum.org/tails/tails/-/issues/18494)) For more details, read our [changelog](https://gitlab.tails.boum.org/tails/tails/-/blob/master/debian/changelog). # Known issues None specific to this release. See the list of [long-standing issues](https://tails.boum.org/support/known_issues/index.en.html). # Get Tails 4.21 ## To upgrade your Tails USB stick and keep your persistent storage * Automatic upgrades are available from Tails 4.19 or later to 4.21. * If you cannot do an automatic upgrade or if Tails fails to start after an automatic upgrade, please try to do a [manual upgrade](https://tails.boum.org/doc/upgrade/index.en.html#manual). ## To install Tails on a new USB stick Follow our installation instructions: * [Install from Windows](https://tails.boum.org/install/win/index.en.html) * [Install from macOS](https://tails.boum.org/install/mac/index.en.html) * [Install from Linux](https://tails.boum.org/install/linux/index.en.html) The Persistent Storage on the USB stick will be lost if you install instead of upgrading. ## To download only If you don't need installation or upgrade instructions, you can download Tails 4.21 directly: * [For USB sticks (USB image)](https://tails.boum.org/install/download/index.en.html) * [For DVDs and virtual machines (ISO image)](https://tails.boum.org/install/download-iso/index.en.html) # What's coming up? Tails 4.22 is [scheduled](https://tails.boum.org/contribute/calendar/) for September 7. Have a look at our [roadmap](https://tails.boum.org/contribute/roadmap) to see where we are heading to. URL: https://tails.boum.org/news/version_4.21/index.en.html _______________________________________________ amnesia-news mailing list amnesia-n...@boum.org https://www.autistici.org/mailman/listinfo/amnesia-news To unsubscribe from this list, send an email to amnesia-news-unsubscr...@boum.org. _______________________________________________ Tails-dev mailing list Tails-dev@boum.org https://www.autistici.org/mailman/listinfo/tails-dev To unsubscribe from this list, send an empty email to tails-dev-unsubscr...@boum.org.
