If this PR fixes several issues, please prepend each issue url/number with the word "fix"/"fixes" or "close"/"closes" as this automatically closes the issues you mentioned when the PR is merged.
<!-- Add things, you still want to do. It is recommend to put "[DNM]", "[DONOTMERGE]", "[WIP]" or "[WORKINPROGRESS]"**into the title** of your PR if you still want to work on this PR, but just do not want to have it merged yet. -->