Tested versions

Godot v4.2.1.stable

System information

Fedora Linux 38.20231205.0 (Silverblue) - Wayland - GLES3 (Compatibility) - AMD Radeon RX 550 / 550 Series (polaris12, LLVM 16.0.6, DRM 3.54, 6.6.3-100.fc38.x86_64) () - AMD Ryzen 5 3400G with Radeon Vega Graphics (8 Threads)

Issue description

Reflection Probe makes a huge difference in fidelity at a really low cost, which makes it a good choice for mobile games.

However Reflection Probe is still missing in Compatibility backend.

Compatibility backend:

Mobile backend:

Steps to reproduce

Create Reflection Probe while using Compatibility backend to see that nothing happens. Which isn't the case with backends using RenderingDevice (Mobile and Forward+).

Minimal reproduction project (MRP)

N/A