From 5ec0629598981b5258bd1e70c65ac70f63ad6b3b Mon Sep 17 00:00:00 2001
From: BigBlockIfTrue <info@bitcoinlogo.eu>
Date: Sat, 3 Apr 2021 17:55:59 +0200
Subject: [PATCH] Add top-level document for the May 2021 upgrade

As requested in !19 discussion.
---
 mkdocs.yml                 |  1 +
 spec/2021-05-15-upgrade.md | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 spec/2021-05-15-upgrade.md

diff --git a/mkdocs.yml b/mkdocs.yml
index b315b0c..9095a70 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -17,6 +17,7 @@ extra_css:
 nav:
     - Home: README.md
     - May 2021 upgrade:
+        - May 2021 upgrade: 2021-05-15-upgrade.md
         - Unconfirmed transaction chain limit: unconfirmed-transaction-chain-limit.md
         - Multiple OP_RETURNs: CHIP-2021-03-12_Multiple_OP_RETURN_for_Bitcoin_Cash.md
     - November 2020 upgrade:
diff --git a/spec/2021-05-15-upgrade.md b/spec/2021-05-15-upgrade.md
new file mode 100644
index 0000000..5fa9058
--- /dev/null
+++ b/spec/2021-05-15-upgrade.md
@@ -0,0 +1,30 @@
+---
+layout: specification
+title: 2021-05-15 Network Upgrade Specification
+author: BigBlockIfTrue (Bitcoin Cash Node)
+date: 2021-04-03
+version: 1
+---
+
+# 2021-05-15 Network Upgrade Specification
+
+BigBlockIfTrue (Bitcoin Cash Node)
+
+Version 1, 2021-04-03
+
+---
+
+
+The following changes to the Bitcoin Cash network activate on 15 May 2021:
+
+* [Removal of the unconfirmed transaction chain limit](unconfirmed-transaction-chain-limit.md),
+* [Allowance of transactions with multiple OP_RETURN outputs](CHIP-2021-03-12_Multiple_OP_RETURN_for_Bitcoin_Cash.md).
+
+Please refer to the corresponding CHIPs for more information.
+
+
+---
+
+## License of this document
+
+This document is dedicated to the public domain using the [Creative Commons CC0 1.0 Universal Public Domain Dedication](https://creativecommons.org/publicdomain/zero/1.0/).
-- 
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