You should wait for the automatic update.

Unless there is a dire need to fix a terrible problem, there is no compelling reason to do an early update.

You should wait for the automatic update. Unless there is a dire need to fix a terrible problem, there is no compelling reason to do an early update.

I wasn't necessarily going to use it as my main email app but was keen to see it and get involved in testing.

You should wait for the automatic update. I wasn't necessarily going to use it as my main email app but was keen to see it and get involved in testing.

In that case, you may want to try beta? https://www.thunderbird.net/en-US/download/beta/