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Fixed in Unity 5.5.0

Votes

0

Found in

5.4.0b24

Issue ID

814484

Regression

Yes

[Performance] - 5.4 : Extremely slow performance of SetParent on deeply nested UI panels

Editor - Other

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Priority: 2Necessary for shipping a final release

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Severity: 2Core functionality majorly impacted

Description:
Extremely slow performance of SetParent on deeply nested UI panels

Repro Steps:
1.) Open Repro Project
2.) Build and Deploy
3.) Click the Create Trees Button

Actual:
Unity appears to lock up

Expected
Unity doesn’t lose performance when building nested UI panels without large amounts of Nodes.

Reproduced on 5.4.0f1 as well

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