There were lots of changes between 0.70 and 0.71, but I would guess it
was this one:
<
https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=41e1a586fb>
Can you give some more detail?
- What platform are you running PuTTY on?
- What exactly did Ctrl-and-keypad-plus do for you before? (Did it send
a key combination to the server?)
- What exactly does it do now?