Merge branch 'jk/save-getenv-result'

diff --git a/RelNotes b/RelNotes
index 5fcc4ef74770e8587a1469fff5e3f5610dabf0e1..31e21359a89066faf934359889ac76924dd86893 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes/1.7.6.txt
\ No newline at end of file
+Documentation/RelNotes/2.21.0.txt
\ No newline at end of file