diff --git a/CHANGELOG b/CHANGELOG
index 67429b3960..45131d447c 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,4 +1,79 @@
-Version 2021.12 (unreleased)
+Version 2022.02 (2022-02-06)
+  Friendica Core
+    Updates to the translations AR, DE, ET, FR, GB_EN, GB_US, HU, IT, RU, SV [translation teams]
+    Updates to the documentation [annando, foss-, softmetz, tobiasd]
+    Updates to the themes (duepuntozero, frio, quattro, vier) [MrPetovan, tobiasd]
+    General code cleanup [annando, nupplaphil, MrPetovan, tobiasd]
+    Enhanced the connector hooks [MrPetovan]
+    Enhanced the API [annando, MrPetovan, nupplaphil]
+    Enhanced the screen reader accessibility of the frio theme [MrPetovan]
+    Enhanced the federation with Pleroma (attached images) [annando]
+    Enhanced the performance of database handling of unused contacts [annando]
+    Enhanced the Vagrant development configuration [nupplaphil, tobiasd]
+    Enhanced the handling of emoticons [annando]
+    Enhanced the handling of blocked domains [annando, MrPetovan]
+    Enhanced the translation string extraction [fabrixxm]
+    Enhanced the detection of embedded content [annando]
+    Enhanced the detection of pump.io servers [annando]
+    Enhanced the handling of attached media files [annando]
+    Enhanced the logging with syslog [nupplaphil]
+    Enhanced the display of audio elements [annando]
+    Enhanced the PHP 8 compatibility [nupplaphil]
+    Enhanced the contact handling by forum accounts [annando]
+    Enhanced the display of the notification count [annando]
+    Enhanced the display of start and end times of events [annando]
+    Enhanced the federation statistics [annando]
+    Fixed a problem linking to an addons authors profile [annando]
+    Fixed a problem with the automatic installation [nupplaphil]
+    Fixed a problem in the order of database table modifications [annando]
+    Fixed a problem during the node detection process [annando]
+    Fixed a problem handling configuring trusted 2FA browsers [MrPetovan]
+    Fixed a problem with caching user avatars from the local node [annando]
+    Fixed a problem preventing the federation with Lemmy [annando]
+    Fixed a problem causing non-notifications for new postings [annando]
+    Fixed a problem with updating event contents [annando]
+    Added AR translations [FaridaK, Mohamed_Ahmed_AF, abidin24, alsabi.abdullah, ButterflyOfFire, ominds, hisoka512]
+    Added language detection for the /help files [annando]
+    Added current timezone information to the date time picker [MrPetovan]
+    Added an option to purge contacts from blocked servers [MrPetovan]
+    Added a media tab on profile pages [annando]
+    Removed video tab on profile pages [annando]
+    Bumped the minimal version of PHP to 7.3
+  
+  Friendica Addons
+    Updates to the translations AR, DE, FR, HU, IT, PL, SV [translation teams]
+    Deprecated addons: blogger, buffer, jappixmini, notimeline, xmpp
+    Added addons: bird avatar, webdav storage [fabrixxm, nupplaphil]
+    blockbot
+      Updated the allow and deny lists of bots [annando]
+    langfilter
+      Improved performance [MrPetovan]
+      Improved the language detection [MrPetovan]
+    markdown
+      Enhanced the HTML escaping [MrPetovan]
+    nitter
+      Enhanced link detection in attachments [tobiasd]
+    rendertime
+      Enhanced configuration [annando]
+    securemail
+      Updated dependencies to enhance the PHP8 support [MrPetovan]
+    twitter
+      Added block and unblock hook usage [MrPetovan]
+      Added support for unretweet and post/comment deletion [MrPetovan]
+      Added support for the unfollow hook [MrPetovan]
+      Fixed API calls [MrPetovan]
+      Fixed a problem leading to duplicated links [annando]
+      Updated twitteroauth dependency [nupplaphil]
+  
+  Closed Issues
+     9720, 10301, 10365, 10454, 10634, 10691, 10725, 10726, 10729, 10734,
+    10737, 10739, 10745, 10754, 10767, 10791, 10829, 10832, 10839, 10841,
+    10844, 10851, 10864, 10865, 10868, 10872, 10876, 10877, 10886, 10887,
+    10897, 10903, 10906, 10914, 10939, 10943, 10945, 10955, 10966, 10971,
+    10972, 10973, 10978, 10979, 10983, 10990, 10991, 10998, 11020, 11021,
+    11022, 11023, 11029, 11033, 11034, 11047, 11055, 11063, 11078, 11091,
+    11101, 11109, 11111, 11130, 11133, 11139, 11144, 11147, 11148, 11152,
+    11156, 11160, 11163, 11169, 11178, 11189, 11193
 
 Version 2021.09 (2021-09-25)
   Friendica Core
diff --git a/VERSION b/VERSION
index 771d349de7..5866fa546f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2021.12-rc
+2022.05-dev
diff --git a/boot.php b/boot.php
index 447b129b4c..473b006407 100644
--- a/boot.php
+++ b/boot.php
@@ -31,7 +31,7 @@ use Friendica\Model\Contact;
 
 define('FRIENDICA_PLATFORM',     'Friendica');
 define('FRIENDICA_CODENAME',     'Siberian Iris');
-define('FRIENDICA_VERSION',      '2021.12-rc');
+define('FRIENDICA_VERSION',      '2022.05-dev');
 define('DFRN_PROTOCOL_VERSION',  '2.23');
 define('NEW_TABLE_STRUCTURE_VERSION', 1288);
 
diff --git a/security.txt b/security.txt
index 3a9d766bbd..c7f1e3c63a 100644
--- a/security.txt
+++ b/security.txt
@@ -1,6 +1,6 @@
 Contact: mailto:info@friendi.ca
 
-Expires: Sat, 30 Apr 2022 23:59 +0000
+Expires: Sun, 31 Jul 2022 23:59 +0000
 
 Preferred-Languages: en
 
diff --git a/view/lang/C/messages.po b/view/lang/C/messages.po
index 76aa7a1808..692f0f53d6 100644
--- a/view/lang/C/messages.po
+++ b/view/lang/C/messages.po
@@ -6,7 +6,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: 2021.12-rc\n"
+"Project-Id-Version: 2022.05-dev\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2022-01-28 05:23+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"