Merge tag '8.4.0' into develop

8.4.0

Author: einpraegsam

Documentation/Changelog/Readme.md

@@ -4,6 +4,8 @@
 
 | Version     | Release Date | Description                                                                                                           |
 |------------ |--------------|-----------------------------------------------------------------------------------------------------------------------|
+| 8.4.0       | 2021-08-11   | Task: Sanitize CSV and XLS export against excel hacks (see https://typo3.org/security/advisory/typo3-psa-2021-002)    |
+|             |              | Task: Add automatic test via github actions                                                                           |
 | 8.3.3       | 2021-07-27   | Bugfix: Fix some more typehint problems                                                                               |
 |             |              | Bugfix: Fix a problem with start- and endtime in backend records                                                      |
 | 8.3.2       | 2021-04-30   | Bugfix: Fix typehint error with overwriteValueFromTypoScript()                                                        |

ext_emconf.php

@@ -6,7 +6,7 @@
         and easy to use mailform extension with a lots of features
         (spam prevention, marketing information, optin, ajax submit, diagram analysis, etc...)',
     'category' => 'plugin',
-    'version' => '8.3.3',
+    'version' => '8.4.0',
     'state' => 'stable',
     'author' => 'Powermail Development Team',
     'author_email' => 'service@in2code.de',