Unity Issue Tracker - Resizing the Scene View causes the Editor to lag when the Canvas contains many items and it's Rect Transform size is changed

Fixed

Fixed in 2022.3.25f1, 2023.2.18f1, 6000.0.0b15, 7000.0.0a2

Votes

Found in

Issue ID

Regression

Resizing the Scene View causes the Editor to lag when the Canvas contains many items and it's Rect Transform size is changed

-

Feb 22, 2024

How to reproduce:
1. Open the “InputFieldPerformanceRegression” project
2. Open the “SampleScene”
3. Resize the Scene View horizontally

Expected result: Resizing is smooth with no freezes or lags
Actual result: Editor is lagging

Reproducible in: 2022.1.0b1, 2022.3.20f1, 2023.2.12f1, 2023.3.0b9
Not reproducible in: 2021.3.35f1, 2022.1.0a16

Reproduced on: Windows 10
Not reproduced on: No other environments tested