In previous versions of kmail2 when opening an inbox with new and old messages all new and some of the old message are shown expanded. Now I have to expand the "today" header to see these messages. Also discussions are collapsed, so I need to expand such a discussion to see all the messages in the discussion also sub discussions need further expansion. I would appreciate to have the option of the previous behavior. I choose the Reproducible: Always Expected Results: Like in previous versions, the unread and some of the old messages, up to a certain age, 2 days (configurable?), should be shown expanded.
I found the solution, In the context menu of a folder click Folder Properties and change the setting in View to Current Activity, Threaded