From c290f3ab8557f42e970eb1547a822abe1db332b7 Mon Sep 17 00:00:00 2001
From: Hedzr Yeh <hedzrz@gmail.com>
Date: Sun, 1 May 2022 02:01:41 +0800
Subject: [PATCH] update README.md

---
 README.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/README.md b/README.md
index 0fe3b62..f578763 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,14 @@ import "gopkg.in/hedzr/errors.v3"
 
 ## History
 
+- v3.0.21 ..
+    - add: `RegisterCode()` at top level for initialize user-defined Coded decl
+    - godoc and fix/imp Attach() to copy inner errors' StackTrace
+    - fix Is(): Is(err, errors.BadRequest) might be dead lock or cannot return the test result probably
+    - new lint + fmr
+    - imp: remove redundant codes
+    - update withStackInfo.Stack with WithData() - specially for defer recover codes
+
 - v3.0.15
   - fix: make Is() work for go1.12 and below