From 484708c6d3b7b4dfa25f0d946748c58195436825 Mon Sep 17 00:00:00 2001
From: Wilfred Hughes <me@wilfred.me.uk>
Date: Sun, 15 Jun 2025 22:48:50 +0100
Subject: [PATCH] The next release will use jemalloc

Closes #805
---
 CHANGELOG.md | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8800f1ac9..4071952e6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,7 +13,15 @@ Added support for Verilog and SystemVerilog.
 ### Build
 
 CI on GitHub now uses Ubuntu 22.04 for Linux builds (previously Ubuntu
-20.04), so prebuilt binaries will require a newer glibc version to run.
+20.04), so prebuilt binaries will require a newer glibc version to
+run.
+
+### Internal
+
+Difftastic has switched from MiMalloc to Jemalloc for allocation. This
+is modest performance regression (up to 20% longer runtime in
+testing). Jemalloc is currently easier to build (see issue #805) and
+has fewer pathological performance corner cases.
 
 ## 0.63 (released 11th February 2025)