From a23e0d69b385a5d7ba8a4c4cc666ed3ef2b2b1ea Mon Sep 17 00:00:00 2001
From: Richard Dodd <richard.o.dodd@gmail.com>
Date: Thu, 22 Feb 2024 16:28:16 +0000
Subject: [PATCH] Add note to old vision document noting that it's old.

---
 doc/vision.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/vision.md b/doc/vision.md
index 6395c1ff7..15f96a67e 100644
--- a/doc/vision.md
+++ b/doc/vision.md
@@ -1,3 +1,9 @@
+# Notice
+
+> This document represented the vision as of the end of 2020. 
+> Since then a number of things have changed (for example we are now using `wgpu`).
+> For a more up-to-date document, see [the roadmap 2023](./roadmap_2023.md).
+
 ## The piet-gpu vision
 
 Raph Levien, 2020-12-10