Deno Release notes and new features

Deno 2.9.0

2.9.0 / 2026.06.25 Read more: http://deno.com/blog/v2.9 feat(bundle): add --declaration flag to generate rolled-up .d.ts files ( #33838 ) feat(cli): add deno link and deno unlink subcommands ( #34359 ) feat(cli): add deno watch subcommand ( #35301 ) feat(cli): add deno list subcommand to list declared dependencies ( #34972 ) feat(cli): auto-migrate...