Slightly transparent objects disappear completely in Web Player when using RenderGraph

Unity: WebGL

6.5.X

6.4.X

6.3.X

6.0.X

Reproduction steps:
1. Open the attached “IN-126081“ project
2. Open the “SampleScene”
3. Build and Run the WebGL Player

Actual result: The transparent cubes on the right side are invisible
Expected result: The transparent cubes on the right can be seen

Reproducible with: 6000.0.65f1, 6000.3.4f1, 6000.4.0b4, 6000.5.0a4
Couldn’t test with: 2023.1.0a15 (Script issues with RenderGraph)

Reproducible on: Web Player, macOS 26.2
Not reproducible on: No other environments tested