From 63c0b714d059a99ef291e8c33605ab116d58ac5f Mon Sep 17 00:00:00 2001
From: Hans Svensson <hans.svensson@quviq.com>
Date: Tue, 8 Oct 2019 13:11:48 +0200
Subject: [PATCH] Prepare release - v4.0.0

---
 CHANGELOG.md         | 13 ++++++++++++-
 rebar.config         |  2 +-
 src/aesophia.app.src |  2 +-
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d2a800..f27a4a7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 ### Removed
 
+## [4.0.0] - 2019-10-11
+### Added
+- `Address.to_contract` - casts an address to a (any) contract type.
+- Pragma to check compiler version, e.g. `@compiler >= 4.0`.
+### Changed
+- Nice type error if contract function is called as from a namespace.
+- Fail on function definitions in contracts other than the main contract.
+- Bug fix in variable optimization - don't discard writes to the store/state.
+### Removed
+
 ## [4.0.0-rc5] - 2019-09-27
 ### Added
 ### Changed
@@ -167,7 +177,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Simplify calldata creation - instead of passing a compiled contract, simply
   pass a (stubbed) contract string.
 
-[Unreleased]: https://github.com/aeternity/aesophia/compare/v4.0.0-rc5...HEAD
+[Unreleased]: https://github.com/aeternity/aesophia/compare/v4.0.0...HEAD
+[4.0.0]: https://github.com/aeternity/aesophia/compare/v4.0.0...v3.2.0
 [4.0.0-rc5]: https://github.com/aeternity/aesophia/compare/v4.0.0-rc4...v4.0.0-rc5
 [4.0.0-rc4]: https://github.com/aeternity/aesophia/compare/v4.0.0-rc3...v4.0.0-rc4
 [4.0.0-rc3]: https://github.com/aeternity/aesophia/compare/v4.0.0-rc1...v4.0.0-rc3
diff --git a/rebar.config b/rebar.config
index 48b270e..e5ca552 100644
--- a/rebar.config
+++ b/rebar.config
@@ -15,7 +15,7 @@
             {base_plt_apps, [erts, kernel, stdlib, crypto, mnesia]}
            ]}.
 
-{relx, [{release, {aesophia, "4.0.0-rc5"},
+{relx, [{release, {aesophia, "4.0.0"},
          [aesophia, aebytecode, getopt]},
 
         {dev_mode, true},
diff --git a/src/aesophia.app.src b/src/aesophia.app.src
index d230c0b..d22866c 100644
--- a/src/aesophia.app.src
+++ b/src/aesophia.app.src
@@ -1,6 +1,6 @@
 {application, aesophia,
  [{description, "Contract Language for aeternity"},
-  {vsn, "4.0.0-rc5"},
+  {vsn, "4.0.0"},
   {registered, []},
   {applications,
    [kernel,