Add changelog.

diff --git a/doc/news/changes/minor/20201203Bangerth b/doc/news/changes/minor/20201203Bangerth
new file mode 100644 (file)
index 0000000..c91073f
--- /dev/null
+++ b/doc/news/changes/minor/20201203Bangerth
@@ -0,0 +1,5 @@
+Fixed: A previous patch accidentally broke step-46 and led to
+exceptions about accessing neighboring cells that don't actually exist
+because a cell is at the boundary. This has been fixed.
+<br>
+(Wolfgang Bangerth, 2020/12/03)