Markdown All in One is a bit too much of a kitchen sink approach for my taste. If you just want to choose specific extensions for what you need in markdown, try the following:
Marky Dynamic: Table of Contents and other dynamic content. It will auto-update on save.
Markdown Snippets: Extended Markdown snippets for quickly adding tables and task lists.
Markdown All in One is a bit too much of a kitchen sink approach for my taste. If you just want to choose specific extensions for what you need in markdown, try the following: