From 870886ca2f8a1860ca9e42a8c052ecf2d48cd7d6 Mon Sep 17 00:00:00 2001
From: Robert H Stolz <7143905+garden-of-delete@users.noreply.github.com>
Date: Thu, 11 Feb 2021 12:31:55 -0800
Subject: [PATCH] Added a note about the ! prefix for breaking changes to
 CONTRIBUTING.md (#13083)

---
 CONTRIBUTING.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c4e54d624f..ddcc860ae9 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -222,6 +222,7 @@ Finally, never submit a PR that will put master branch in broken state. If the P
     - `fix(chart-api): cached-indicator always shows value is cached`
 
 - Add prefix `[WIP]` to title if not ready for review (WIP = work-in-progress). We recommend creating a PR with `[WIP]` first and remove it once you have passed CI test and read through your code changes at least once.
+- If you believe your PR contributes a potentially breaking change, put a `!` after the semantic prefix but before the colon in the PR title, like so: `feat!: Added foo functionality to bar`
 - **Screenshots/GIFs:** Changes to user interface require before/after screenshots, or GIF for interactions
   - Recommended capture tools ([Kap](https://getkap.co/), [LICEcap](https://www.cockos.com/licecap/), [Skitch](https://download.cnet.com/Skitch/3000-13455_4-189876.html))
   - If no screenshot is provided, the committers will mark the PR with `need:screenshot` label and will not review until screenshot is provided.