From 14053a0299a4bb533765e8822805e82354a93321 Mon Sep 17 00:00:00 2001
From: Tigran Najaryan <4194920+tigrannajaryan@users.noreply.github.com>
Date: Wed, 5 Jul 2023 11:10:55 -0400
Subject: [PATCH] Update CHANGELOG.md for 1.0.0 release (#493)

---
 CHANGELOG.md | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index bca0bb7ae..8ac7a6eca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,18 @@
 
 ## Unreleased
 
-Full list of differences found in [this compare](https://github.com/open-telemetry/opentelemetry-proto/compare/v0.20.0...main).
+Full list of differences found in [this compare](https://github.com/open-telemetry/opentelemetry-proto/compare/v1.0.0...main).
+
+## 1.0.0 - 2023-07-03
+
+Full list of differences found in [this compare](https://github.com/open-telemetry/opentelemetry-proto/compare/v0.20.0...v1.0.0).
+
+### Maturity
+ 
+* Add note about the possibility to have unstable components after 1.0.0 
+  [#489](https://github.com/open-telemetry/opentelemetry-proto/pull/489)
+* Add maturity JSON entry per package
+  [#490](https://github.com/open-telemetry/opentelemetry-proto/pull/490)
 
 ## 0.20.0 - 2023-06-06