From 78219bbd64547b599d29b87cbcb0f96ea61621ed Mon Sep 17 00:00:00 2001
From: Landry Norris <37489471+LandryNorris@users.noreply.github.com>
Date: Thu, 16 Apr 2026 17:33:06 -0500
Subject: [PATCH] Update README with firmware compatibility notice

Add a note that this repository is not compatible with 2026 and higher firmware
---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index d89cb62..72605d1 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,9 @@
 # CANBridge
 
+> [!IMPORTANT]
+> Firmware version 26.0.0 for all REV products switched to a different USB to CAN protocol, and is not compatible with this repository.
+> The new protocol is consistent with CANable 2.0 SLCan, but with an optional \r\n line feed.
+
 ## Overview
 
 This repository is for the CANBridge software that is run on non-roboRIO platforms.