Highlights:

• Private destructuring:

      const { #x: x, y: y } = this;
      

• Support for several new TypeScript 4.7 features: instantiation expressions, explicit variance annotations for type arguments, constraints for the infer operator in conditional types.

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Highlight: The no-misleading-character-class rule now provides editor suggestions for some of the problems reported by this rule.

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Highlights:

• Default type checking behavior has been updated (in preparation for not type checking deno run in v1.23).
• Removal of unstable Deno.emit(), Deno.formatDiagnostics() and Deno.applySourceMap() APIs
• Deno namespace is available in workers by default.
• --no-config flag
• Navigator.userAgent

This blog post answers two questions:

• What are the consequences of text/javascript now being the only standard MIME type for JavaScript? (No real consequences in practice, but all standards are on the same page now.)
• Do we have to use the filename extension .mjs for modules now? (No, using .js works well on all platforms.)

The following kinds of property key paths are supported:

• Dot-delimited paths: 'foo.bar.0.baz'
• Wildcards: 'foo.*', '**.bar'
• Regexps: 'foo./ba?/'
• Slices: 'foo.0:2'
• Unions: 'foo bar baz'

Based on these paths, the library supports getting, setting, listing, etc. of properties.