blog: add v0.17.2.1 GUI blog post

_posts/2021-04-14-monero-GUI-0.17.2.1-released.md

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+---
+layout: post
+title: "Monero GUI 0.17.2.1 'Oxygen Orion' released"
+summary: Point release containing bug fix for transfer on macOS
+tags: [releases]
+author: selsta
+image: /blog/assets/2020-09-17-monero-0.17-released/oxygen-orion.png
+---
+
+<div align="center">
+    <img src="{{ page.image }}" width="350px">
+</div>
+
+# Overview
+
+This is the v0.17.2.1 minor point release of the Monero GUI software.
+
+[The latest CLI release notes can be found on the precedent blog post]({{ site.baseurl_root }}/2021/04/09/monero-0.17.2.0-released.html)
+
+Some highlights of this minor release are:
+
+- Fix transfer on macOS (#3390)
+- Minor bug fixes
+
+The complete list of changes is [available on GitHub](https://github.com/monero-project/monero-gui/compare/v0.17.2.0...v0.17.2.1), along with [the source code](https://github.com/monero-project/monero-gui/tree/v0.17.2.1).
+
+# Contributors for this Release
+
+This release was the direct result of 3 people who worked, largely unpaid and altruistically, to put out 8 commits containing 15 new lines of code. We'd like to thank them very much for their time and effort. In no particular order they are:
+
+- selsta
+- tocomo
+- luigi1111
+
+# Download
+
+The new binaries can be downloaded from the [Downloads page]({{ site.baseurl }}/downloads/#gui) or from the direct links below.
+
+- [Windows, 64-bit](https://downloads.getmonero.org/gui/monero-gui-win-x64-v0.17.2.1.zip)
+- [Windows, 64-bit (Installer)](https://downloads.getmonero.org/gui/monero-gui-install-win-x64-v0.17.2.1.exe)
+- [macOS, 64-bit](https://downloads.getmonero.org/gui/monero-gui-mac-x64-v0.17.2.1.dmg)
+- [Linux, 64-bit](https://downloads.getmonero.org/gui/monero-gui-linux-x64-v0.17.2.1.tar.bz2)
+
+A complete guide for the GUI wallet is included in the archives, but [an online version is available](https://github.com/monero-ecosystem/monero-GUI-guide/blob/master/monero-GUI-guide.md).
+
+# Download Hashes
+
+If you would like to verify that you have downloaded the correct file, please use the following SHA256 hashes:
+
+```
+monero-gui-win-x64-v0.17.2.1.zip, ac12efea2f99e8ac0f77f3ba73ea333b4f44d8a08149f6c2ab5b7662e2f9b8f3
+monero-gui-install-win-x64-v0.17.2.1.exe, 8761082c8fd907c59effd30156a98bcb9c01a48b14eafde1e9a8463fc5f81d16
+monero-gui-mac-x64-v0.17.2.1.dmg, f8c2b2eefb8b25ac2e2beb54c1814c947da5239192a1a2873b7c89ed14761215
+monero-gui-linux-x64-v0.17.2.1.tar.bz2, 72dfca40797201604a6b2fb97935037f62d3153360695cf732dee3d12e167da3
+```
+
+A GPG-signed list of the hashes is at [https://www.getmonero.org/downloads/hashes.txt]({{ site.baseurl_root }}/downloads/hashes.txt) and should be treated as canonical, with the signature checked against the appropriate GPG key in the source code (in /utils/gpg_keys). To ensure that the files you download are those originally posted by the maintainers, you should both check that the hashes of your files match those on the signed list, and that the signature on the list is valid.
+
+Two guides are available to guide you through the verification process: [Verify binaries on Windows (beginner)]({{ site.baseurl }}/resources/user-guides/verification-windows-beginner.html) and [Verify binaries on Linux, Mac, or Windows command line (advanced)]({{ site.baseurl }}/resources/user-guides/verification-allos-advanced.html).