The packaging includes a detached upstream signature file that contains multiple concatenated signature blocks. That is likely an error.
Please include only one signature block in the indicated signature file.
The tag is present in Lintian version
That is the most recent version we know about.
We use semantic versions.
The patch number is a commit step indicator relative to the
release tag in our Git
You can find the detection logic for this version at commit ffc17eb. For merge requests, please use the latest version in the Lintian check upstream-signature.