diff --git a/doc/bugs/Build_fails_on_Windows_as_of_commit_a706708d1.mdwn b/doc/bugs/Build_fails_on_Windows_as_of_commit_a706708d1.mdwn
new file mode 100644
index 0000000000..8c0e362934
--- /dev/null
+++ b/doc/bugs/Build_fails_on_Windows_as_of_commit_a706708d1.mdwn
@@ -0,0 +1,4 @@
+As of commit a706708d1, trying to build git-annex on Windows fails because the import of `oneSecond` from `Utility.ThreadScheduler` is not available.  [This patch](https://raw.githubusercontent.com/datalad/git-annex/master/patches/20210607-a706708d1-fix-oneSecond.patch) fixes that.
+
+[[!meta author=jwodder]]
+[[!tag projects/datalad]]