I am uploading a NMU to fix this. Please find the debdiff attached.
diff -Nru mono-6.8.0.105+dfsg/debian/changelog
mono-6.8.0.105+dfsg/debian/changelog
--- mono-6.8.0.105+dfsg/debian/changelog 2023-08-18 13:02:07.000000000
+0000
+++ mono-6.8.0.105+dfsg/debian/changelog 2023-09-06 12:03:58.000000000
+0000
@@ -1,3 +1,10 @@
+mono (6.8.0.105+dfsg-3.5) unstable; urgency=medium
+
+ * Non-maintainer upload.
+ * Drop Depends: libnunit-cil-dev. (Closes: #1051340)
+
+ -- Bastian Germann <[email protected]> Wed, 06 Sep 2023 14:03:58 +0200
+
mono (6.8.0.105+dfsg-3.4) unstable; urgency=medium
* Non-maintainer upload.
diff -Nru mono-6.8.0.105+dfsg/debian/control mono-6.8.0.105+dfsg/debian/control
--- mono-6.8.0.105+dfsg/debian/control 2023-08-18 13:01:34.000000000 +0000
+++ mono-6.8.0.105+dfsg/debian/control 2023-09-06 12:03:58.000000000 +0000
@@ -461,7 +461,6 @@
libmono-webmatrix-data4.0-cil (= ${source:Version}),
libmono-windowsbase4.0-cil (= ${source:Version}),
libmono-xbuild-tasks4.0-cil (= ${source:Version}),
- libnunit-cil-dev (>= 2.4)
Description: Mono Base Class Libraries (BCL) - Development files
This package contains development headers for the Mono Base Class Libraries.
.