Publish To Play process fails with Curl error 52: Empty reply from server

Steps to reproduce:

1. Create a new project
2. Switch to Web platform
3. Press the Publish to Play button
4. Select the attached "test" build
5. Proceed to Publish the build
6. Observe the Build publish progress window and the Console

Actual results: Build upload process fails towards the end and Curl error 52: Empty reply from server is thrown

Expected results: Build upload process to Play succeeds without issue

Reproducible with versions: 6000.1.0b7, 6000.2.0a4

Can’t test with versions: 2022.3.58f1, 6000.0.38f1 (Publish to Play button is not present)

Tested on (OS): Windows 11, macOS 15.3

Notes:

• Project build size - 663.71MB
• Uploading the build via the Unity Play website succeeds