From 78a04f47ca4c62e6afe7f43eef3020beaaad9d31 Mon Sep 17 00:00:00 2001
From: Sam Tobin-Hochstadt <samth@ccs.neu.edu>
Date: Thu, 27 Jul 2017 20:39:00 -0400
Subject: [PATCH] add TR HISTORY

---
 typed-racket-lib/typed-racket/HISTORY.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/typed-racket-lib/typed-racket/HISTORY.txt b/typed-racket-lib/typed-racket/HISTORY.txt
index 559fa6f3..4dc12118 100644
--- a/typed-racket-lib/typed-racket/HISTORY.txt
+++ b/typed-racket-lib/typed-racket/HISTORY.txt
@@ -1,3 +1,6 @@
+6.10
+- Improve refinement types.
+- Split mutable and immutable hash types.
 6.9
 - Added initial steps towards refinement types.
 - Fixes related to numeric types and NaN.