Metal compatibility problem with iOS 8
Unity Version : 2017.3.1
Test Machine : IPhone6+(iOS 8), IPhone6S+(iOS 11), iPad (5 generation, iOS 11)
Hi ~
after i had upgrade unity engine version to 2017.3.1 from 2017.1.1, problem has started...... OTL
when i run my project on IPhone 6+ which be installed iOS 8, it always occur error, "Compiler Connection Failed"
in other test machines (IPhone6S+ iPad (5 generation)) which are installed iOS 11, project run properly
through googling, i found some reason about "compiler connection failed"
i tried all ways but i can't resolve this problem
below is error log and abort spot, strange thing is that crash point looks like using metal library (AVPro is plugin to play streaming asset)
Please Help me ~!
First Error

Assembly Abort Spot

compilerconnectionfailed.png
(126.6 kB)
registry.png
(283.1 kB)
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