Release notes indicate what has changed, but they do not indicate level of effort.
$ git diff 5d4eb51 0a95d67 --shortstat
768 files changed, 19227 insertions(+), 20139 deletions(-)
The insert/deletion numbers represent lines of code and documentation.
This release was a massive effort.
Thanks @bep and those who contributed code, documentation, and testing resources—much appreciated.