Hello, could you please retry with the following changes in your debian/watch file ?
diff --git a/debian/watch b/debian/watch index 0a2e820..f62563c 100644 --- a/debian/watch +++ b/debian/watch @@ -11,4 +11,4 @@ https://launchpad.net/inkscape/+download \ # find the signature opts="pgpmode=previous" \ https://launchpad.net/inkscape/+download \ -Y(?:.*/)?@PACKAGE@@ANY_VERSION@@ARCHIVE_EXT@?.(?:asc|pgp|gpg|sig) previous +(?:.*/)?@PACKAGE@@ANY_VERSION@(?:@ARCHIVE_EXT@)?\.(?:asc|pgp|gpg|sig) previous Until now, @ARCHIVE_EXT@ isn't enclosed in (), so @ARCHIVE_EXT@? produces \.(?:tar...)? and not (?:\.(?:tar...)). That's why this change is required. Note also a "Y" at the beginning of line
