Resolved a bug from version 52.9.0 where deleting or detaching attachments could occasionally corrupt the message file. Why Users Still Use Thunderbird 52.9.1
Fixed issues where forwarding messages in "simple" HTML view would cause display errors.
This version includes a critical fix for the EFAIL security flaw, which could potentially expose encrypted PGP or S/MIME emails.
Mozilla Thunderbird 52.9.1 Download ((link)) -
Resolved a bug from version 52.9.0 where deleting or detaching attachments could occasionally corrupt the message file. Why Users Still Use Thunderbird 52.9.1
Fixed issues where forwarding messages in "simple" HTML view would cause display errors. mozilla thunderbird 52.9.1 download
This version includes a critical fix for the EFAIL security flaw, which could potentially expose encrypted PGP or S/MIME emails. Resolved a bug from version 52
