Thanks, Tyler, for increasing the link level from 2 to 5.
I'm afraid it still does not work, because the forum software does not count the referred Github issue as link, but expands it and counts the links in the issue.
After I try to post a new topic such as
To all of you who want to sneak at the features planned for ES 2.0, this issue collects some of it
"Sorry, new users can only put 5 links in a post."
Note, I have quoted the URL above to keep this forum software from expanding.