https://git.ruby-lang.org/ruby.git/commit/?id=7c01cf4908

From 7c01cf49083992bc61ec9703b6fb4bc588701c00 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@r...>
Date: Wed, 20 Oct 2021 11:05:05 +0900
Subject: NEWS.md: Add error_highlight section

---
 NEWS.md | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/NEWS.md b/NEWS.md
index 2bc3ccb48a..59628a8c02 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -218,6 +218,9 @@ Excluding feature bug fixes. https://github.com/ruby/ruby/blob/trunk/NEWS.md#L218
 
 ### TypeProf
 
+* [Experimental IDE support](https://github.com/ruby/typeprof/blob/master/doc/ide.md) has been implemented.
+* Many bug fixes and performance improvements since Ruby 3.0.0.
+
 ## Debugger
 
 * A new debugger [debug.gem](https://github.com/ruby/debug) is bundled.
@@ -228,6 +231,24 @@ Excluding feature bug fixes. https://github.com/ruby/ruby/blob/trunk/NEWS.md#L231
 * `rdbg` command is also installed into `bin/` directory to start and control
   debugging execution.
 
+## error_highlight
+
+A built-in gem, error_highlight, has been introduced.
+It includes fine-grained error location in backtrace:
+
+```
+$ ruby test.rb
+test.rb:1:in `<main>': undefined method `time' for 1:Integer (NoMethodError)
+
+1.time {}
+ ^^^^^
+Did you mean?  times
+```
+
+This gem is enabled by default.
+You can disable it by using a command-line option `--disable-error_highlight`.
+See [the repository](https://github.com/ruby/error_highlight) in detail.
+
 ## Miscellaneous changes
 
 * lib/objspace/trace.rb is added, which is a tool for tracing the object
-- 
cgit v1.2.1


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