In Preferences / Display / Summaries, I have set the default selection when entering a folder to "none". Therefore, when I enter a folder which has new messages, none gets automatically selected, i.e., they all remain 'new'. However, if I enter a folder, then thread or unthread messages (menu : View / Thread view), then the next new message is selected. I think the threading should only affect how messages are displayed, and should not modify the current selection (or non-selection).
works fine for me. try the latest release.
Upgraded to 3.10.0, same behaviour: in a folder where no message is selected, toggling threading causes one message to be selected, a new one if there is any, or the last one otherwise.
what setting do you have for 'Open message when selected' (also on Display/Summaries)?
My setting for 'Open message when selected' is 'Always' (and for the record, I use the Standard view (under View / Layout). Note however that this setting is about what happens in the message pane when a message is selected in the message list pane; it should not affect what happens in the message list pane when messages are reordered there.
Just to reassure Albert: I can reproduce the issue.
(In reply to comment #5) > Just to reassure Albert: I can reproduce the issue. (With my default setting "Open message when selected: Never")