Reproduction steps:
1. Open the attached “ASDQWE” project
2. Open “Asset/Scenes/Broadcast.unity” Scene
3. Open Render Streaming Wizard (Windows > Render Streaming > Render Streaming Wizard)
4. In the Render Streaming Wizard Window, press the “Download latest version web app.” button
5. Open the downloaded file in a Terminal Window
6. In the Editor, enter the Play Mode
7. Open a browser and type “<strong>http://127.0.0.1</strong>”
8. In the browser, select “Reciever Sample”
9. Press the Play button
10. Select the text input field and type anything
11. Try to delete the text using “Delete” or “Backspace” keys

Expected result: The text or a symbol is deleted
Actual result: The part of the text or a symbol turned into a square block

Reproducible with: 3.0.6, 3.2.0-pre.4 (2021.3.31f1, 2022.3.11f1, 2023.1.17f1, 2023.2.0a13)
Fixed in: 3.2.0-pre.4 (2023.2.0a14, 2023.3.0a10), 3.2.0-pre.5 (2021.3.31f1, 2022.3.11f1, 2023.1.17f1, 2023.2.0b14, 2023.3.0a10)
Could not test with: 3.0.6 (2023.2.0b14, 2023.3.0a10 (“error CS1061: 'TMP_FontAsset' does not contain a definition for 'clearDynamicDataOnBuild'“ errors)), 4.0.0-pre.2 (2023.1.17f1, 2023.2.0b14, 2023.3.0a10 (The text did not appear in the input field))

Reproducible on: Intel macOS 14

Note: The issue does not appear when editing the text in the Game View