Merge pull request protocolbuffers#8701 from protocolbuffers/updateCh…

…angelogs

Updating changelog

Merge pull request protocolbuffers#8686 from protocolbuffers/addToCha…

…nges

Adding PHP fix to changes for 3.17.2

Fixed memory bug: properly root repeated/map field when assigning. (p…

…rotocolbuffers#8639)

* Fixed memory bug: properly root repeated/map field when assigning.

Previously the protobuf extension would not properly root
memory from a repeated field or map when assigning to a
message field (see the attached test case).  This could cause
crashes if the repeated field is subsequently accessed.

* Add accidentally-deleted Ruby test.

Update protobuf version (protocolbuffers#8606)

Update protobuf version to 3.17.0-rc2 (protocolbuffers#8586)

* Update protobuf version

* Updated Kotlin versions and updated script to handle them

Updated CHANGES.txt and PHP changelog for 3.17.0 (protocolbuffers#8583)

Update PHP release notes and update version to 3.16.0 (protocolbuffer…

…s#8573)

* Updated PHP release notes in packages.xml

* Update protobuf version to 3.16.0

Update protobuf version to 3.16.0-rc2 (protocolbuffers#8556)

* Update CHANGES.txt

* Update protobuf version

Updated version to 3.15.8 (protocolbuffers#8463)

* Update protobuf version

* Updated CHANGES.txt and package.xml for 3.15.8

Update protobuf version (protocolbuffers#8448)