Doesn't work webmails based on Roundcube Webmail (among which are, for example: mail.riseup.net, webmail.disroot.org, etc)

[RedSteel-1]

I'm moving over from google to the very privacy-respecting mailboxes - mail.riseup.net and mail.disroot.org.
But what I have noticed, is that in these boxes, the tracking pixels and links don't seem to be blocked (no "T" icons, no cursor with "T"), unlike it was in gmail.
Would that be possible to take a look at these mailboxes and get Trocker work with them?

[trockerapp]

Thanks for using Trocker. Supporting additional webmails is a considerable commitment and works best if some of the developers are users of that platform. If you know of developers who are interested in helping, feel free to invite them to contribute to Trocker. In the meantime, although you will not see the T icon, Trocker has an explicit block list that should block some of the commonly used trackers from loading in all tabs including in the webmails that you mentioned.

[RedSteel-1]

Updating the issue.

Both RiseUp and Disroot, as well as many other mailboxes, are using Roundcube Webmail.
So, it would be great to make the extension support Roundcube
Once it's in place, many mailboxes (including RiseUp and Disroot) will be covered automatically.

Current state:
No "T" icons shows anywhere on the webmail, no cursor with "T" appears when hovering the malware links, and the extension doesn't seem to work or do anything on Roundcube-based mailboxes generally.

Is there any hope to get the Roundcube Webmail support?