Hacker News Reader

> - Improved storage engine, thunderbird is often freezing to compress folders.

Have you tried migrating to using maildir instead of mbox?

Not the OP but help pages seem to suggest Maildir support in TB is not necessarily production quality:

> Maildir is disabled by default because there are still many bugs. It is not 100% ready for users.

I wonder how up-to-date that warning is, given that the feature was introduced in TB 38 and we're now on TB 60.

Edit: there's still 35 bugs tagged maildir (albeit all unconfirmed or new): https://bugzilla.mozilla.org/buglist.cgi?classification=Clie...