diff --git a/changelog.md b/changelog.md
index 9f64503..dbffcde 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,10 +1,66 @@
-up to 98aee7f8b9a34c639352034087ac31193256b898
+up to c0dafd1d850e582291b41d693369794d1ea31343
 
 
 
 
 # Changes in version 0.3.1 
 
+
+## Added highlighting of:
+
+- incomplete sudo commands
+  (a3047a912100, 2f05620b19ae)
+
+        sudo;
+        sudo -u;
+
+- command words following reserved words
+  (#207, #222, b397b12ac139 et seq, 6fbd2aa9579b et seq, 8b4adbd991b0)
+
+        if ls; then ls; else ls; fi
+        repeat 10 do ls; done
+
+    (The `ls` are now highlighted as a command.)
+
+- comments (when `INTERACTIVE_COMMENTS` is set)
+  (#163, #167, 693de99a9030)
+
+        echo Hello # comment
+
+- closing brackets of arithmetic expansion, subshells, and blocks
+  (#226, a59f442d2d34, et seq)
+
+        (( foo ))
+        ( foo )
+        { foo }
+
+
+## Fixed highlighting of:
+
+- precommand modifiers at non-command-word position
+  (#209, 2c9f8c8c95fa)
+
+        ls command foo
+
+- sudo commands with infix redirections
+  (#221, be006aded590, 86e924970911)
+
+        sudo -u >/tmp/foo.out user ls
+
+- subshells; anonymous functions
+  (#166, #194, 0d1bfbcbfa67, 9e178f9f3948)
+
+        (true)
+        () { true }
+
+- parameter assignment statements with no command
+  (#205, 01d7eeb3c713)
+
+        A=1;
+
+    (The semicolon used to be highlighted as a mistake)
+
+
 ## Removed features:
 
 - Removed highlighting of approximate paths (`path_approx`).
@@ -13,27 +69,48 @@ up to 98aee7f8b9a34c639352034087ac31193256b898
 
 ## Other changes:
 
+- main highlighter refactored to use states rather than booleans.
+  (2080a441ac49, et seq)
+
 - Fix initialization when sourcing `zsh-syntax-highlighting.zsh` via a symlink
   (083c47b00707)
 
 - docs: Add screenshot.
   (57624bb9f64b)
 
+- widgets wrapping: Don't add '--' when invoking widgets.
+  (c808d2187a73)
+
+- Refresh highlighting upon `accept-*` widgets (`accept-line` et al).
+  (59fbdda64c21)
+
+- Stop leaking match/mbegin/mend to global scope (thanks to upstream
+  `WARN_CREATE_GLOBAL` improvements).
+  (d3deffbf46a4)
+
 
 ## Developer-visible changes:
 
+- Test harness converted to [TAP](http://testanything.org/tap-specification.html) format
+  (d99aa58aaaef, et seq)
+
 - Run each test in a separate subprocess, isolating them from each other
   (d99aa58aaaef, et seq)
 
 - Fix test failure with nonexisting $HOME
   (#216, b2ac98b98150)
 
+- Test output is now colorized.
+  (4d3da30f8b72, 6fe07c096109)
+
 - Document `make install`
   (a18a7427fd2c)
 
 - tests: Allow specifying the zsh binary to use.
   (557bb7e0c6a0)
 
+- tests: Add 'make perf' target
+  (4513eaea71d7)