Another STRANGE action in the new Merge process

LegacyUser

Robert Wren said: Strange merge: I was comparing two Sarah 'Hattels' (LB5Z-H81 & 98N4-LRT) & opted not to continue past Step 1 .
https://www.familysearch.org/tree/mer...

I then went to PID (in another tab, leaving the first open) for "Mary E. Huglin 1862–Deceased • LDXT-LQP" https://www.familysearch.org/tree/per...
& clicked on "possible duplicates" - showing: 'Mary E Hagtine Iowa births 1880-1935' and got THIS:


I clicked on "Undo Merge" - & Gave UP!!