Jehan

I see 2 ways: 1. Either we could have a separate API `as_release_get_raw_description()`; 2. or since the `AsRelease` is a class, it's stateful. So the second solution could be add...

In my case, it's not tags, only attribute, and it doesn't fail in `appstream-util` (even in the `validate-strict` variant). This was the first thing I verified. ;-) I haven't tested...

> Yes, the [reference implementation](https://github.com/ximion/appstream), appstreamcli validate --pedantic --explain myapp.metainfo.xml - Ideally test with that too I confirm that this tool does not complain on unknown attributes, so it's cool...

Hi! I'd like to back a bit this request, since what Salamandar didn't specify, this is that we need this for GIMP. I don't really think AppStream metadata really needs...

> Just out of curiosity, what does GIMP actually need appstream-glib for? I am writing an extension management system (searching, (un)installing, updating extensions from within GIMP) for plug-ins, brushes and...

> Use appstream: links As you note, that's quite Linux-specific. We need something as cross-platform as possible, even though yes, it means I have to implement a bit of logics...

For the record, I have ported appstream-glib to Win32 (actually I even ported libappstream first by mistake as I messed up which we were using!), but I am not making...

Today I did a full cross-build of GIMP using this appstream-glib and ran it in a Windows 10 VM. GIMP runs fine and the extension management code (which uses appstream-glib)...

@hughsie I spent some hours today to review all my changes and fix what needs to be (basically I based my fixes on the unit tests, ensuring they all pass)....

P.S.: tested with scour 0.35.