v5 features list

Features we aim to implement for the next major version v5.

This list will be updated.

• ESM only https://github.com/honojs/hono/issues/5105 https://github.com/honojs/hono/issues/3284
• Splitting adapters to separate packages https://github.com/honojs/hono/issues/4949
• Adopting tsdown
• c.req.query() returns Record<string, string | undefined> #3426
• Consider onError https://github.com/honojs/hono/issues/667
• Response validation https://github.com/honojs/hono/issues/2439
• #5155
• #5221
• c.req.json() to unknown from any https://github.com/orgs/honojs/discussions/4979
• https://github.com/honojs/hono/pull/5229
• Obsolete HonoRequest.routePath()
• https://github.com/honojs/hono/issues/2343
• Remove getQueryStrings from utils/url.ts (not used)
• Release the next version of Hono CLI
• Renew the website
• Add AGENTS.md to the starters
• Ant adapter https://github.com/honojs/hono/pull/5393