diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 0000000..9c09fb8
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1,2 @@
+github: clue
+custom: https://clue.engineering/support
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0f376ed..dacbcfd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## 1.5.0 (2020-06-19)
+
+*   Feature / Fix: Support PHP 7.4 by skipping unneeded cleanup of exception trace args.
+    (#33 by @clue)
+
+*   Clean up test suite and add `.gitattributes` to exclude dev files from exports.
+    Run tests on PHP 7.4, PHPUnit 9 and simplify test matrix.
+    Link to using SSH proxy (SSH tunnel) as an alternative.
+    (#27 by @clue and #31, #32 and #34 by @SimonFrings)
+
 ## 1.4.0 (2018-10-30)
 
 *   Feature: Improve error reporting for failed connection attempts and improve
@@ -16,7 +26,7 @@
 
     ```php
     $promise = $proxy->connect('tcp://example.com:80');
-    $promise->then(function (ConnectionInterface $conn) use ($loop) {
+    $promise->then(function (ConnectionInterface $connection) {
         // …
     }, function (Exception $e) {
         echo $e->getMessage();
@@ -29,7 +39,7 @@
     ```php
     // new: now supports custom HTTP request headers
     $proxy = new ProxyConnector('127.0.0.1:8080', $connector, array(
-        'Proxy-Authentication' =>  'Bearer abc123',
+        'Proxy-Authorization' => 'Bearer abc123',
         'User-Agent' => 'ReactPHP'
     ));
     ```
diff --git a/README.md b/README.md
index c1c736b..c990f5e 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # clue/reactphp-http-proxy [![Build Status](https://travis-ci.org/clue/reactphp-http-proxy.svg?branch=master)](https://travis-ci.org/clue/reactphp-http-proxy)
 
-Async HTTP proxy connector, use any TCP/IP-based protocol through an HTTP
+Async HTTP proxy connector, tunnel any TCP/IP-based protocol through an HTTP
 CONNECT proxy server, built on top of [ReactPHP](https://reactphp.org).
 
 HTTP CONNECT proxy servers (also commonly known as "HTTPS proxy" or "SSL proxy")
@@ -34,6 +34,7 @@ existing higher-level protocol implementation.
 
 **Table of contents**
 
+* [Support us](#support-us)
 * [Quickstart example](#quickstart-example)
 * [Usage](#usage)
   * [ProxyConnector](#proxyconnector)
@@ -51,6 +52,16 @@ existing higher-level protocol implementation.
 * [License](#license)
 * [More](#more)
 
+## Support us
+
+We invest a lot of time developing, maintaining and updating our awesome
+open-source projects. You can help us sustain this high-quality of our work by
+[becoming a sponsor on GitHub](https://github.com/sponsors/clue). Sponsors get
+numerous benefits in return, see our [sponsoring page](https://github.com/sponsors/clue)
+for details.
+
+Let's take these projects to the next level together! 🚀
+
 ## Quickstart example
 
 The following example code demonstrates how this library can be used to send a
@@ -319,7 +330,7 @@ you may simply pass an assoc array of additional request headers like this:
 
 ```php
 $proxy = new ProxyConnector('127.0.0.1:8080', $connector, array(
-    'Proxy-Authorization' =>  'Bearer abc123',
+    'Proxy-Authorization' => 'Bearer abc123',
     'User-Agent' => 'ReactPHP'
 ));
 ```
@@ -389,7 +400,7 @@ This project follows [SemVer](https://semver.org/).
 This will install the latest supported version:
 
 ```bash
-$ composer require clue/http-proxy-react:^1.4
+$ composer require clue/http-proxy-react:^1.5
 ```
 
 See also the [CHANGELOG](CHANGELOG.md) for details about version upgrades.
diff --git a/composer.json b/composer.json
index 9630942..bfdf556 100644
--- a/composer.json
+++ b/composer.json
@@ -1,13 +1,13 @@
 {
     "name": "clue/http-proxy-react",
-    "description": "Async HTTP proxy connector, use any TCP/IP-based protocol through an HTTP CONNECT proxy server, built on top of ReactPHP",
+    "description": "Async HTTP proxy connector, tunnel any TCP/IP-based protocol through an HTTP CONNECT proxy server, built on top of ReactPHP",
     "keywords": ["HTTP", "CONNECT", "proxy", "ReactPHP", "async"],
     "homepage": "https://github.com/clue/reactphp-http-proxy",
     "license": "MIT",
     "authors": [
         {
             "name": "Christian Lück",
-            "email": "christian@lueck.tv"
+            "email": "christian@clue.engineering"
         }
     ],
     "autoload": {