You always have to hit the tempo switch as few times, as it needs to average – if it did not, the result would be a little random.
You should be able to say definitely whether or not it is sending the clock (it either does or does not). Check the settings at both ends.
If you really hate this update, please go back to the previous one. We recommend that you re-initialize the unit after every update – not doing this can (rarely) cause problems.