Added
- A new experimental 'join' mode. This mode runs multiple Semgrep rules
on a codebase and "joins" the results based on metavariable contents. This
lets users ask questions of codebases like "do any 3rd party
libraries use a dangerous function, and do I import that library directly?" or
"is this variable passed to an HTML template, and is it rendered in that template?"
with several Semgrep rules.