No subject

Click on New, select criteria. Select 'Move to Folder' as action. Click on folder button (button has folder icon and no label). "Select Folder - KMail" dialog box opens, containing single entry "Local Folders". 
Double-click on "Local Folders" or single click on [-] (normally used to expand/collapse tree) will cause crash.

Note this also crashes when using "Message->Create Filter->Filter on From" from main menu, and the same button is used to select the folder to move messages into (same "Select Folder - KMail" dialog box opens etc.

Note that the tree is not populated with the Local Folders in the "Select Folder -KMail" dialog box.