Update:
Add "action:Create tiles in a duration", "action:Retrieve tile array in a duration", "condition:On retrieve finished", "condition:On retrieve duration", "expression:RetrievingPercent".
"action:Create tiles in a duration" or "action:Retrieve tile array in a duration" could split tmx tiles array loading in many ticks. So that the screen will not be hold when loading a big map
When loading finished, it will trigger "condition:On retrieve finished", user could release tmx tile array under this condition.
(Now "condition:On retrieve finished" will be triggered in all cases)
Note: this feature could not decrease loading time, it might increase loading time.
"condition:On retrieve duration" will be trigger each tick during load duration. User could use it and "expression:RetrievingPercent" to create a loading progress bar. (The range of "expression:RetrievingPercent" is from 0 to 1.) Then destroy this bar under "condition:On retrieve finished".
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This capx was fixed from your sample capx, now it has some response when tiles loading.