Add a changelog entry.

diff --git a/doc/news/changes/minor/20200923Bangerth b/doc/news/changes/minor/20200923Bangerth
new file mode 100644 (file)
index 0000000..797ca50
--- /dev/null
+++ b/doc/news/changes/minor/20200923Bangerth
@@ -0,0 +1,4 @@
+Changed: step-29 no longer uses the `deallog` variable to generate
+output, but instead directly writes to `std::cout`.
+<br>
+(Wolfgang Bangerth, 2020/09/23)