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Fixed in Unity 2017.2

Votes

1

Found in

5.6.0f3

Issue ID

899441

Regression

Yes

Enabling MaskableGraphic will cause GC spikes if Canvas contains UI elements

UI

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-

Priority: 2Necessary for shipping a final release

-

Severity: 3Workaround is possible

Reproduction Steps:
1. Import attached project.
2. Open "test" scene.
3. Enter Play mode.
4. In Hierarchy, drag "Filled Simple 1" from Assets folder into Canvas.
5. In Profiler, observe GC Allocated in Memory.
6. Activate Image objects in Canvas.
7. Drag "Filled Simple 1" into Canvas again.
8. Observe GC Allocated.

Expected result: GC Allocated spikes should not become larger.
Actual result: GC Allocated spikes become 10 times larger.

Reproducible with: 5.6.0f3, 2017.1.0b1
Not reproducible with: 5.5.3p1
Regression introduced in: 5.6.0b8

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