When I enter the necessary record in the configuration fields and immediately press SEND TEST EMAIL button, I get the test email – it works. If I then press the SAVE button I get redirected to the admin page and the settings are not saved.
It is freshly installed SuiteCRM 7.10.5 (no updates or upgrades).
But not a timeline, no. This is a big, big project, with a huge Community, so the list gets too big for that. We tend to think more in terms of “merge 50 community PR’s per release” or “add tests coverage to decrease regressions” than in terms of number of open Issues.