From 06ebfd668edfc68b62c397dc4ab3a7729af4705f Mon Sep 17 00:00:00 2001
From: Vasily Levchenko <vasily.v.levchenko@gmail.com>
Date: Tue, 25 Feb 2020 10:55:33 +0100
Subject: [PATCH] [doc][changelog] 1.4.0-M1 initial changelog

---
 CHANGELOG.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 117b7f4f6f7..11f87d7b3b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,11 @@
   * Fix `lazy {}` memory leak regression ([`KT-37232`](https://youtrack.jetbrains.com/issue/KT-37232), GH-3944)
   * Fix using cached Kotlin subclasses of Objective-C classes (GH-3986)
   
+# v1.4.0-M1 (Mar 2020) milestone
+  * Experimental mimalloc allocator support (-Xallocator=mimalloc) to improve execution time performance.
+  * Improved support for -Xobjc-generics and enabled by default (GH-3778).
+  * Reworked exception handling in ObjC/Swift interop.
+
 # v1.3.70 (Dec 2019)
   * Support compiler caches for debug mode (GH-3650)
   * Support running Kotlin/Native compiler from Gradle daemon (GH-3442)