@thelovebug
1. Regarding mentions in note's text, I need to make sure that # correctly identifies them and make corresponding fix. Hope this will be better in v.38.
2. In order to have NOT-combined timeline for an account:
2.1. Open corresponding combined timeline
2.2. Select the account (in a Navigation Drawer)
2.3. Turn off "Combined" flag (in a Navigation Drawer) - now the timeline is created!
2.4. Go to Manage timelines, find this new timeline and make it Displayed or even Default if you need...
3. Regarding unnecessary "Sent "someuser"" timelines - I fixed this in code already and this won't happen after the fix. Existing unneeded (not opened, not being synced and not "displayed") timelines will be purged automatically and periodically...