Update readme (sparkle-project#1944)

CHANGELOG

@@ -45,6 +45,17 @@ Please visit [Sparkle's website](http://sparkle-project.org) for more informatio
 
 If you are migrating from earlier alpha versions of Sparkle 2, please re-familiarize yourself with the [Sandboxing guide](https://sparkle-project.org/documentation/sandboxing/). Some of the XPC Services are now optional and integration with code signing has been simplified. The SPUUserDriver protocol for custom user interfaces has been greatly simplified too.
 
+# 1.27.0
+
+ * Deprecate not using EdDSA and skip DSA verification when possible in #1892 (Zorg)
+ * Pass http headers and user agent when downloading release notes from #1873 (Zorg)
+ * Fix project warnings from #1893 (Zorg)
+ * Update sample appcast from #1895 (Zorg)
+ * Fix appcast pubDate tag generation in different locales from #1898 (Sungbin Jo)
+ * Create valid xar archives for generating binary delta files from #1906 (Zorg)
+ * Fix a few issues with German localization from #1931 (J-rg)
+ * Add an automated workflow that builds and publishes official Sparkle releases (Tony Arnold, Zorg)
+
 # 1.26.0
 
  * Flat package support from #1745 (Zorg)

README.markdown

@@ -1,4 +1,4 @@
-# Sparkle 2 (Beta) ![Build Status](https://github.com/sparkle-project/Sparkle/workflows/Build%20%26%20Tests/badge.svg?branch=2.x) <a href="https://www.stackpath.com/?utm_source=sparkle-github&amp;utm_medium=badge&amp;utm_campaign=readme"><img src="https://img.shields.io/badge/sponsored%20by-StackPath-orange.svg" alt="sponsored by: StackPath"></a>
+# Sparkle 2 (Beta) ![Build Status](https://github.com/sparkle-project/Sparkle/workflows/Build%20%26%20Tests/badge.svg?branch=2.x)[![CocoaPods](https://img.shields.io/cocoapods/v/Sparkle.svg?maxAge=2592000)]()
 
 Secure and reliable software update framework for Cocoa developers.
 
@@ -9,13 +9,13 @@ Major new features are support for sandboxing, custom user interfaces, updating
 
 For the production ready version of Sparkle, please see the [Sparkle 1.x (master) branch](https://github.com/sparkle-project/Sparkle/tree/master). Note development has shifted to Sparkle 2 and the 1.x branch is now only accepting bug fixes, localization updates, and adoption of critical upcoming OS features.
 
-Sparkle 2 is currently in beta. Applications, typically sandboxed, have already been using it in production, but some work including testing is still required before an official version can be released. In the meantime, a nightly build can be downloaded by selecting a recent [workflow run](https://github.com/sparkle-project/Sparkle/actions?query=event%3Apush+is%3Asuccess+branch%3A2.x) and downloading the corresponding Sparkle-distribution artifact. The current status of Sparkle 2 is tracked in issue [#1523](https://github.com/sparkle-project/Sparkle/issues/1523).
+Sparkle 2 is currently in beta. Applications, typically sandboxed, have already been using it in production, but some work including testing is still required before an official version can be released. Pre-releases can be found on the [Sparkle's Releases](https://github.com/sparkle-project/Sparkle/releases). More nightly builds can be downloaded by selecting a recent [workflow run](https://github.com/sparkle-project/Sparkle/actions?query=event%3Apush+is%3Asuccess+branch%3A2.x) and downloading the corresponding Sparkle-distribution artifact.
 
-If you can help with testing or reviewing over the new changes, please report issues or submit pull requests!
+The current status of Sparkle 2 is tracked by [its roadmap](https://github.com/sparkle-project/Sparkle/milestone/2).
 
-New issues should be [reported here](https://github.com/sparkle-project/Sparkle/issues). Internal design documents can be found in [Documentation](Documentation/).
+If you can help with testing or reviewing over the new changes, please report issues or submit pull requests!
 
-Please visit [Sparkle's website](http://sparkle-project.org) for up to date documentation on using and migrating over to Sparkle 2. Refer to [Changelog](CHANGELOG) for a more detailed list of changes.
+Please visit [Sparkle's website](http://sparkle-project.org) for up to date documentation on using and migrating over to Sparkle 2. Refer to [Changelog](CHANGELOG) for a more detailed list of changes. More internal design documents can be found in [Documentation](Documentation/). 
 
 ## Features
 
@@ -34,7 +34,7 @@ Please visit [Sparkle's website](http://sparkle-project.org) for up to date docu
 ## Requirements
 
 * Runtime: macOS 10.11 or greater
-* Build: Latest major Xcode (stable or beta, whichever is latest) and one major version less; at least Xcode 12 if using Swift Package Manager.
+* Build: Latest major Xcode (stable or beta, whichever is latest) and one major version less.
 * HTTPS server for serving updates (see [App Transport Security](http://sparkle-project.org/documentation/app-transport-security/))
 
 ## Usage
@@ -46,7 +46,6 @@ See [getting started guide](https://sparkle-project.org/documentation/). No code
 This repository uses git submodules, and will not build unless you clone recursively. Also, GitHub-provided ZIP/tar archives are broken due to GitHub not supporting git submodules properly.
 
     git clone https://github.com/sparkle-project/Sparkle
-    git checkout 2.x
     git submodule update --init --recursive
 
 ### Troubleshooting
@@ -57,8 +56,6 @@ This repository uses git submodules, and will not build unless you clone recursi
 
   * Make sure the URL specified in [`SUFeedURL`](https://sparkle-project.org/documentation/customization/) is valid (typos/404s are a common error!), and that it uses modern TLS ([test it](https://www.ssllabs.com/ssltest/)).
 
-  * Delete your app's preferences (in `~/Library/Preferences/<your bundle id>`) if you've set another feed URL programmatically via Sparkle's Objective-C interface.
-
 ### API symbols
 
 Sparkle is built with `-fvisibility=hidden -fvisibility-inlines-hidden` which means no symbols are exported by default.
@@ -73,7 +70,3 @@ Alternatively, build the Distribution scheme in the Xcode UI.
 ### Code of Conduct
 
 We pledge to have an open and welcoming environment. See our [Code of Conduct](CODE_OF_CONDUCT.md).
-
-## Project Sponsor
-
-[StackPath](https://www.stackpath.com/?utm_source=sparkle-github&utm_medium=link&utm_campaign=readme-footer)