How to reproduce:
1. Open the attached “IN-93640” project
2. Build the WebGL player
3. Host the Player (Open the build folder in the Terminal and use the command: “python3 -m http.server <port>”

On a phone:
4. Open the Player by entering the host’s <ip_address>:<port> in the Chrome web browser inside the phone
5. Touch screen and move finger rapidly
6. Observe the number on the first line, above “refreshRate”

On a desktop:
4. Open the Chrome web browser
5. Open the “Dev Tools” (by pressing F12)
6. Toggle Device Toolbar (Ctrl+Shift+M or Command+Shift+M)
7. In Performance settings, set CPU throttling to 4x slowdown
8. Move the cursor over the Player area
9. Observe the number on the first line, above “refreshRate”

Expected result: The fps stays stable
Actual result: The fps drops by 5-20 while mouse is being moved

Reproducible with: 2022.1.0a3, 2022.3.60f1, 6000.0.42f1, 6000.1.0b11, 6000.2.0a7

Reproducible on: macOS 15.3.2 (M3 Max) using Chrome
Not reproducible on: No other environments tested

Reproducible with these devices:
Reporter’s info: Xiaomi Redmi Note 10 Pro, CPU: Snapdragon 732G (SM7150), GPU: Adreno 618, OS: 14
Reporter’s info: Realme 9 Pro, CPU: Snapdragon 695 5G (SM6375), GPU: Adreno 619, OS: 14

Not reproducible with these devices:
VLNQA00591 - samsung Galaxy S23 (SM-S911B), CPU: Snapdragon 8 Gen 2 (SM8550), GPU: Adreno 740, OS: 14 (Chrome browser, 120hz and 60hz)
VLNQA00372 - Galaxy S21 5G (SM-G991U), CPU: Snapdragon 888, GPU: Adreno 660, OS: 12 (Chrome browser, 120hz and 60hz)
VLNQA00336 - HUAWEI Y6p (MED-LX9N), CPU: MediaTek MT6762R, GPU: PowerVR Rogue GE8320, OS: 10 (Default browser, 60hz)
VLNQA00516 - samsung Galaxy Fold (SM-F900F), CPU: Snapdragon 855 SM8150, GPU: Adreno 640, OS: 10(Chrome browser, 60hz)
VLNQA00472 - samsung Galaxy A52 (SM-A525F), CPU: Snapdragon 720G (SM7125), GPU: Adreno 618, OS: 12
SauceLabs - Samsung Galaxy A04s, OS: 12