Hello again and sorry for the late reply (my brother got married).
Thanks a lot for your detailed elaboration on the subject as well as the examples. It is true that Dynamic option in Sequencer and Selector can create some unpredictable results, as in “not the expected behaviour”. I experimented a bit and I think you are right about reseting.
If you have the time and want to further elaborate, can you please open up both Sequencer.cs and Selector.cs and add these lines of code at the very start of the for-loop iteration and let me know your thoughts?