diff -Nru freecad-0.20.2+dfsg1/debian/changelog freecad-0.20.2+dfsg1/debian/changelog
--- freecad-0.20.2+dfsg1/debian/changelog	2023-01-10 17:08:11.000000000 +0000
+++ freecad-0.20.2+dfsg1/debian/changelog	2023-02-04 13:01:18.000000000 +0000
@@ -1,3 +1,11 @@
+freecad (0.20.2+dfsg1-4) unstable; urgency=medium
+
+  * Team upload.
+  * Apply work-around for crash when started with --single-instance,
+    e.g. using the .desktop file (Closes: #1029846)
+
+ -- Tobias Frost <tobi@debian.org>  Sat, 04 Feb 2023 14:01:18 +0100
+
 freecad (0.20.2+dfsg1-3) unstable; urgency=medium
 
   * [c522953] Remove redundant `freecadcmd --console` in autopkgtest
diff -Nru freecad-0.20.2+dfsg1/debian/patches/run_single-instance.patch freecad-0.20.2+dfsg1/debian/patches/run_single-instance.patch
--- freecad-0.20.2+dfsg1/debian/patches/run_single-instance.patch	2022-10-26 02:09:19.000000000 +0000
+++ freecad-0.20.2+dfsg1/debian/patches/run_single-instance.patch	2023-02-04 10:38:59.000000000 +0000
@@ -10,7 +10,7 @@
  GenericName[pl]=Aplikacja CAD
  GenericName[ru]=Система автоматизированного проектирования
 -Exec=FreeCAD %F
-+Exec=/usr/bin/freecad --single-instance %F
++Exec=/usr/bin/freecad - --single-instance %F
  Terminal=false
  Type=Application
  Icon=org.freecadweb.FreeCAD