Latest PECL Releases:

• protobuf 4.0.0RC2
  GA release.

• mongodb 1.8.0RC1
  ** Bug * [PHPC-1648] - Ensure directConnection is validated when specified in URI options array

  ** Task * [PHPC-1635] - Ensure OCSP and AWS auth are tested on both 4.4 and latest

  ** Improvement * [PHPC-1556] - Reduce Client Time To Recovery On Topology Changes

• protobuf 3.12.3
  GA release.
• protobuf 4.0.0RC1
  GA release.