The tag is present in Lintian version 2.114.53. 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 976d49a. For merge requests, please use the latest version in the Lintian check debian/po-debconf.
debconf-updatepo has not been run since the last change to your debconf templates.
You should run debconf-updatepo whenever debconf templates files are changed so that translators can be warned that their files are outdated.
This can be ensured by running debconf-updatepo in the 'clean' target
debian/rules. PO files will then always be up-to-date when
building the source package.