Setup of this Phabricator service (see also Phabricator Documentation).
Tue, Nov 12
Sep 30 2019
Sep 27 2019
Sep 26 2019
An easy workaround is to refer to the hgweb mirror of the same repository: https://isabelle.sketis.net/repos/isabelle/tags
Sep 25 2019
The Phabricator service of the Mercurial project shows the same omission. So it looks like .hgtags are not supported by Diffusion (yet?).