Merge tag 'v5.4.91' into v5.4/standard/base

This is the 5.4.91 stable release

# gpg: Signature made Tue 19 Jan 2021 12:26:33 PM EST
# gpg:                using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key