Deno boosts dependency management with JSR
Briefly

Deno 1.42 allows users to consume and publish modules to the JSR package registry directly from Deno, using the deno add and deno publish subcommands.
Deno 1.42 addresses an issue with deno run --check, which previously could potentially type-check part of the way through execution when encountering a statically unanalyzable dynamic import or starting a worker.
Read at InfoWorld
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