Backport most of the added: info
Backport of all added: commits that either landed cleanly or required nothing more than simple manual conflict resolution. --zero-fill-buffers in cli.md is tagged as added in v4.5.0.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Backport of all added: commits that either landed cleanly or required nothing more than simple manual conflict resolution. --zero-fill-buffers in cli.md is tagged as added in v4.5.0.