Works fine, looks good to me with 8.6.
Note that there's a new (7.2.3) version available.


Stu


diff -Nurp /usr/ports/devel/mercurial/Makefile ./Makefile
--- /usr/ports/devel/mercurial/Makefile	Fri Jan  9 09:00:04 2026
+++ ./Makefile	Wed Jul 29 12:50:55 2026
@@ -1,6 +1,8 @@
 COMMENT-main =		fast, lightweight source control management
 COMMENT-x11 =		graphical tooling for mercurial
 
+REVISION-x11 =		0
+
 MODPY_DISTV =		7.1.2
 DISTNAME =		mercurial-${MODPY_DISTV}
 CATEGORIES =		devel
@@ -14,6 +16,7 @@ SITES =			https://www.mercurial-scm.org/release/
 
 MODULES =		lang/python x11/tk
 MODPY_PYBUILD =		setuptools_scm
+MODTK_VERSION =		8.6
 
 USE_GMAKE =		Yes