Check UDN for repro tree setup, it should be visible on something like:

root selector
(decorator on key A, abort lower pri) child1: selector1
child2: sequence1

(decorator on key B, abort lower pri) child1: wait task1

child1: special BP task that waits a bit, sets key B, waits, sets key A (in that order), waits and finishes with success
child2: wait task2

tasks executed with bug: special task, wait task2
tasks executed without bug (observers reacting correctly) : special task, wait task1

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ComponentUE - AI
Target Fix4.12
Fix Commit2990243
Main Commit3023490
Release Commit2990243
CreatedMay 25, 2016
ResolvedMay 25, 2016
UpdatedMay 2, 2018
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