I don't see anything removed in the diff:
Index: Changelog.txt
===================================================================
--- Changelog.txt (revision 29448)
+++ Changelog.txt (revision 29449)
@@ -11,6 +11,8 @@
levels down the root. (Stefan)
- NEW: Commit button in Changed-for-modifications
dialog. (Stefan)
+- BUG: TMerge find dialog could use a previous replace
+ string when replacing. (Stefan)
Version 1.14.3
- BUG: clipboard wasn't closed after pasting into