On 5/22/20 12:28 PM, Mark LaPierre wrote: > Hey all, > > CentOS 6 has Thunderbird 68.8.0 > CentOS 8 has Thunderbird 68.7.0 > > When I rsync my .thunderbird folder from my CentOS 6 machine to my > CentOS 8 machine and start Thunderbird it says: > > "A newer version of Thunderbird may have made changes to your > profile which are no longer compatible with this older version. > Use this profile only with that newer version, or create a new profile > for this installation of Thunderbird. Creating a new profile requires > setting up your accounts, calendars and add-ons again." > I think I encountered the same thing when trying to go from CentOS 7 to CentOS 8. I'm pretty sure I ended up invoking thunderbird manually with the --allow-downgrade option. After it was satisfied with my copied profile, it would then subsequently run OK with a normal invocation (using the desktop icon, etc.) -Greg