v2.9.0

🚀 New

• Etag middleware support to custom etags (#1288)

🧹 Updates

• Use atomic instead of mutex when counting the route handler. (#1314)
• Print logger's error to stderr if given io.writer failed (#1299)
• middleware/proxy: add buffer size configuration (#1292)

🐛 Fixes

• Startup message doesn't show correct amount of Handlers after mounting (#1302)
• Cache Middleware - Race condition in the cache expiration logic. Round 2 (#1310)

📚 Documentation

• Fix broken Rate Limiter link (#1301)

Thank you @bestgopher, @capthiron, @cep-ter, @defshift, @fernandobandeira, @jney and @sadfun for making this update possible.