System Information
Operating system: Windows-10-10.0.19044-SP0 64 Bits
Graphics card: NVIDIA GeForce RTX 2070 SUPER/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 512.15

Blender Version
Broken: version: 3.1.0, branch: master, commit date: 2022-03-08 18:16, hash: rBc77597cd0e15
Broken: version 3.1.1, commit date: 2022-03-27, v31.fb2cb0324a39
Worked: 3.0.1

Short description of error
Effect Strip Type' Iris' and 'clock' do not work in the VSE.
Maybe same bug like in the past:
https://developer.blender.org/T75421

Exact steps for others to reproduce the error
[Please describe the exact steps needed to reproduce the issue]
[Based on the default startup or an attached .blend file (as simple as possible)]