Merge tag 'v5.8.18' into v5.8/standard/base

This is the 5.8.18 stable release

# gpg: Signature made Sun 01 Nov 2020 06:46:02 AM EST
# gpg:                using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key