1. Change a topic title
2. Login as a user who is getting notifications about such changes.
3. 'View history' will display correctly the previous topic and the new( changed) one:
e.g. ET12 (Talk | contribs) changed the topic title from "foo" to "Test"
The Message and Notification page will say:
ET12 changed the title of Test to "Test" on Talk:ET10.