Unreal Engine 4.7 Preview

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Tried converting my project and found some issues. Note that ‘Preview 5’ is first 4.7 build I’ve tested.

Issue 1: Play In Standalone is broken due to blueprint compilation issues that manifest in standalone but not in Editor or PIE mode. It also crashes with an error Access violation - code c0000005 (first/second not available) @ unrealtype.h:996 and standalone logs complain that ‘Target’ attribute of certain blueprint nodes are not disconnected even though they are in fact connected.

Log excerpts:
Error current value of ’ TargetArray ’ pin is invalid: Array inputs (like ‘TargetArray’) must have an input wired into them (try connecting a MakeArray node).
Error Variable node MyVariable uses an invalid target. It may depend on a node that is not connected to execution chain, and got purged.
Error blueprint (self) is not a SomeGameBlueprint_C, therefore ’ Target ’ must have a connection.

Workaround: None.

PS: I do intend to post these in but like most issues these are only reproducible in my project, standard maps and Epic samples work fine. I wanted to post a dump of these issues here first as I’m swamped with project work right now and it takes a while to diligently gather information needed for raising proper bug reports for these.
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I have looked but not found a post on reported yet. I have not made any progress with as of yet. Like you said, it seems to happen in your project but not any others you’ve tried. If you get please let me know and I’ll have a look at to see if we can reproduce and what’s happening.

Thank you!