[4.0-rc1] Description not showing for gdscript properties in inspector

[neilfranci]

Godot version

4.0.rc1

System information

Window 10

Issue description

Relate to #59270

Steps to reproduce

Code use in image

extends Node2D

## Test
@export var test = 0

Minimal reproduction project

description_not_show.zip

[Loregret]

I have the same issue with Godot 4.0 Stable on Linux.

[neilfranci]

I have the same issue with Godot 4.0 Stable on Linux.

Not fixed yet, this's on low priority I think. But it's on the go, so we need to wait because a lot of big issues need to fix first.

[and-rad]

I bisected it and #71628 seems to be the PR that broke it.
CC @reduz

[voithos]

This seems to still be broken in 4.1.1, FYI.

[NathanReus]

Just started looking at Godot, doing the first 2D game tutorial in the docs and came across this same issue, still present in 4.2.1. Not a big deal by any means. I wish I knew enough to be able to try to open a PR and have a go at fixing it, but I'm nowhere near that level right now.

[h0lley]

this is another "sometimes" bug.
I have scenes where I get tooltips, and others where I do not.
similarly, a team member is not getting tooltips in a scene where I do.

[TheRedstoneScientist]

Also does not work using C#

[Snayff]

Still happening on 4.3 stable. I tried to do a bit of investigating, hopefully it helps.

1. Property code:
   @export var root: Node2D ## physical or non physical node. Rigidbody2D is the only physical node handled.
2. No docs in tooltip:
   
3. Can't open docs:
   
4. Delete all code following extends Node and save.
5. Reinsert code and save.
6. Docs in tooltip:
   
7. Can open docs:
   

[betalars]

This is kind of critical for me. I am shipping a project to a client and they need that documentation to understand how to work on it. I can confirm the observation by @Snayff tho.

If it is not freshly written, the descriptions will not show up consistently.

[anvilfolk]

I can't test right now, but there's a good chance that #95821 fixes this. I would be especially interested if folks could test C# comments specifically. It should, but I don't have a local C# setup! Tagging @TheRedstoneScientist since you explicitly mentioned C# :)

You should be able to get the build artifacts by going to "Checks" and then "Artifacts"!

[anvilfolk]

Quick update: did some quick tests with #95821 and it does indeed fix this issue at least w/ GDScript. It took launching the editor twice - probably something with cache propagation.

Edit: C# does not currently support documentation, so I don't believe there's a way for tooltips from C# [Export] variables to work in the inspector.