Blank light blue panoramas with Iris

[Slooshie1]

[gniftygnome]

We have a report this is probably caused by Iris. Reported mod list to reproduce:

Vistas 2.3.0
Sodium 0.4.2+build.16
Iris 1.2.6
Fabric API 0.60.0

[Julienraptor01]

tested with 1.19.2 latest versions and still have the problem

[Gazmanovich]

Tested with 2.5.0 on 1.20.4. Still have the problem

[gniftygnome]

I finally looked into this again and tried converting to use vanilla's takePanorama method. However, the vanilla method is also broken when Iris is present.

This issue is blocked by the Iris issue (it's Iris that is breaking panoramas in general):
IrisShaders/Iris#2196

[gniftygnome]

This appears to be working again in 1.21.5. Makes sense, since Mojang is actively rewriting their code to support shaders in JE. I'm going to keep this issue open for a while longer for feedback and in case Mojang re-breaks it in 1.21.6.

Here's an image from a panorama I just took with Iris and BSL: