{{User mainspace edits|N}} (where N = number of edits)
Or:
{{User mainspace edits|N|namespace|User_name}} (User_name only needed if placed on a different page than your main userpage.)
{{User mainspace edits|N|insane=yes}}: adds the string "and, as a result, may be slightly insane.", which was previously featured on the 100,000 edits box.
100+
This user has made over 100 contributions to Wikipedia and, as a result, may be slightly insane.
Colors are retained from the old edit count templates. To customize, use parameters id-bg, info-bg, border, id-font, and info-font to set the background, font, and border colors. If you want a more customized version, feel free to make a copy in your userspace.
For example, {{User mainspace edits|100|namespace=all|User_name|id-bg=#bbbbee|info-bg=#ddddff|id-font=#000033|info-font=#333366|border=#aaaaaa}} gives you:
