https://git.ruby-lang.org/ruby.git/commit/?id=8684946b21

From 8684946b211db5edd113e1ae6df1bc77d045b4a8 Mon Sep 17 00:00:00 2001
From: Maxime Chevalier-Boisvert <maxime.chevalierboisvert@s...>
Date: Wed, 20 Oct 2021 15:51:07 -0400
Subject: Add bit about YJIT to NEWS.md

---
 NEWS.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/NEWS.md b/NEWS.md
index b62b0b66bc..305231e542 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -282,6 +282,16 @@ Excluding feature bug fixes. https://github.com/ruby/ruby/blob/trunk/NEWS.md#L282
 
 * `RubyVM::MJIT` is renamed to `RubyVM::JIT`. [[Feature #17490]]
 
+### YJIT: New experimental in-process JIT compiler
+
+* Disabled by default, use `--yjit` command-line option to enable YJIT.
+
+* Performance improvements on most real-world software, up to 22% on railsbench, 39% on liquid-render.
+
+* Fast warm-up times.
+
+* Limited to macOS & Linux on x86-64 platforms for now.
+
 ## Static analysis
 
 ### RBS
-- 
cgit v1.2.1


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