Changelog

Break Changes

• TrustedProxies: Add default IPv6 support and refactor #2967. Please replace RemoteIP() (net.IP, bool) with RemoteIP() net.IP
• gin.Context with fallback value from gin.Context.Request.Context() #2751

BUGFIXES

• Fixed SetOutput() panics on go 1.17 #2861
• Fix: wrong when wildcard follows named param #2983
• Fix: missing sameSite when do context.reset() #3123

ENHANCEMENTS

• Use Header() instead of deprecated HeaderMap #2694
• RouterGroup.Handle regular match optimization of http method #2685
• Add support go-json, another drop-in json replacement #2680
• Use errors.New to replace fmt.Errorf will much better #2707
• Use Duration.Truncate for truncating precision #2711
• Get client IP when using Cloudflare #2723
• Optimize code adjust #2700
• Optimize code and reduce code cyclomatic complexity #2737
• gin.Context with fallback value from gin.Context.Request.Context() #2751
• Improve sliceValidateError.Error performance #2765
• Support custom struct tag #2720
• Improve router group tests #2787
• Fallback Context.Deadline() Context.Done() Context.Err() to Context.Request.Context() #2769
• Some codes optimize #2830 #2834 #2838 #2837 #2788 #2848 #2851 #2701
• Test(route): expose performRequest func #3012
• Support h2c with prior knowledge #1398
• Feat attachment filename support utf8 #3071
• Feat: add StaticFileFS #2749
• Feat(context): return GIN Context from Value method #2825
• Feat: automatically SetMode to TestMode when run go test #3139
• Add TOML bining for gin #3081
• IPv6 add default trusted proxies #3033

DOCS

• Add note about nomsgpack tag to the readme #2703