1.3.39-9
Allow guides (and anyone) to opt into memory only keys (cherry picked from commit 3520d7ac84b6b88ac9eb469ad7436ba5df7c1e9f)
Allow guides (and anyone) to opt into memory only keys (cherry picked from commit 3520d7ac84b6b88ac9eb469ad7436ba5df7c1e9f)