Change Details

PR11258 backport https://github.com/bitcoin/bitcoin/pull/11258/files Just first commit; I'm omitting the second commit which just does inapplicable reformatting. Also, modified to use pushKV .

PR11258 backport https://github.com/bitcoin/bitcoin/pull/11258/files Just first commit; I'm omitting the second commit which just does inapplicable reformatting. Also, modified to use pushKV. Includes release notes copied from Core `release-notes-0.16.0.md`

PR11258 backport https://github.com/bitcoin/bitcoin/pull/11258/files Just first commit; I'm omitting the second commit which just does inapplicable reformatting. Also, modified to use pushKV .. Includes release notes copied from Core `release-notes-0.16.0.md`