v4.0.4

What's Changed

• Feature: Added a new syntax-checking method, Express4Runner#check, which supports options to restrict operators. PR Doc
• Feature： Added the Express4Runner#getOutVarAttrs method, which supports parsing all variables that need to be passed in from the outside and their associated attributes; it is an enhanced version of getOutVarNames.
• Feature：Unified define class of custom function, operator and extension function #407 Doc
• Feature：Support template rendering Doc

New Contributors

• @a345560812 made their first contribution in #406

Full Changelog: v4.0.3...v4.0.4