

High-impact flaws, including data loss, are very rare, but may occur. The beta forum may provide more information on feature progress. New features may be incomplete works in progress, because some are completed and polished over a period of weeks.Please do regular backups to protect your Thunderbird data profiles.Beta installation will replace your currently installed program, unless you use the instructions in How to install and run Beta.Please follow these instructions to install Thunderbird.ĭo you want to help the global Thunderbird community by discovering and reporting bugs? Then beta is a great choice for you, because it gets fixes and new features long before they reach release!īefore you download and test the beta, there are some important considerations to be aware of: Your system doesn't meet the requirements to run Thunderbird.
