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Fixed

Fixed in 2019.4.X, 2020.3.X, 2021.1.X

Votes

0

Found in

2019.4

2020.3

2021.1

2021.1.4f1

2021.2

Issue ID

1331341

Regression

Yes

[iOS] UnityWebRequest memory leak when using Get to continuously request data

WebRequest

-

Steps to reproduce:
1. Open the attached project ("1331341.zip")
2. Build the "SampleScene"
3. Deploy and run on an iOS device

Expected results: Memory gets cleaned up periodically
Actual results: Memory keeps going up until the OS kills the app

Reproducible with: 2019.4.25f1, 2020.3.8f1, 2021.1.6f1, 2021.2.0a15
Not reproducible with: 2018.4.33f1, 2021.2.0a16, 2021.2.0a17

Reproducible on:
iPad 9.7" 6th gen (14.4)
iPad Air 2 (11.0.3)
iPhone XR (13.4.1)
iPhone 8 Plus (14.4.2)

Not reproducible on:
N/A, Xiaomi MI 8 Lite (MI 8 Lite), Android 8.1.0, CPU: Snapdragon 660, GPU: Adreno (TM) 512
VLNQA00332, Samsung Galaxy XCover4 (SM-G390F), Android 9, CPU: Exynos 7 Quad 7570, GPU: Mali-T720
N/A, Xiaomi - (Redmi Note 8 Pro), Android 9, CPU: MediaTek Helios G90T MT6785T, GPU: Mali-G76 MC4
VLNQA00099, Google Pixel XL (Pixel XL), Android 10, CPU: Snapdragon 821 MSM8996 Pro, GPU: Adreno (TM) 530
VLNQA00052, Xiaomi MI MAX (MI MAX), Android 7.0, CPU: Snapdragon 617 MSM8952, GPU: Adreno (TM) 510

Notes:
- Not reproducible with WebClient
- Not reproducible on Windows and Mac editor

  1. Resolution Note:

    Fixed in 2021.2.0a16

  2. Resolution Note (fix version 2021.1):

    Fixed in 2021.1.16f1

  3. Resolution Note (fix version 2020.3):

    Fixed in 2020.3.16f1

  4. Resolution Note (fix version 2019.4):

    Fixed in 2019.4.29f1

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