diff --git a/.drone.yml b/.drone.yml
index ab2875e980..4c4555a8a8 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -410,6 +410,7 @@ steps:
       - # calculate SHA256 checksum
       - cd ./build
       - sha256sum "$ARTIFACT" > "$ARTIFACT.sum256"
+      - chmod 664 ./*
       - ls -lh
       - # output the sha256 sum for checking
       - cat "$ARTIFACT.sum256"
@@ -518,6 +519,7 @@ steps:
       - # calculate SHA256 checksum
       - cd ./build
       - sha256sum "$ARTIFACT" > "$ARTIFACT.sum256"
+      - chmod 664 ./*
       - ls -lh
       - # output the sha256 sum for checking
       - cat "$ARTIFACT.sum256"
diff --git a/doc/Addons.md b/doc/Addons.md
index 0257ccbf9b..10949c2c43 100644
--- a/doc/Addons.md
+++ b/doc/Addons.md
@@ -479,6 +479,23 @@ Hook data:
 - **uid** (input): the user to return the contact data for (can be empty for public contacts).
 - **result** (output): Set by the hook function to indicate a successful detection.
 
+### follow
+
+Called before adding a new contact for a user to handle non-native network remote contact (like Twitter).
+
+Hook data:
+
+- **url** (input): URL of the remote contact.
+- **contact** (output): should be filled with the contact (with uid = user creating the contact) array if follow was successful.
+
+### unfollow
+
+Called when unfollowing a remote contact on a non-native network (like Twitter)
+
+Hook data:
+- **contact** (input): the remote contact (uid = local unfollowing user id) array.
+- **dissolve** (input): whether to stop sharing with the remote contact as well.
+
 ## Complete list of hook callbacks
 
 Here is a complete list of all hook callbacks with file locations (as of 24-Sep-2018). Please see the source for details of any hooks not documented above.
@@ -648,6 +665,7 @@ Here is a complete list of all hook callbacks with file locations (as of 24-Sep-
 
     Hook::callAll('contact_photo_menu', $args);
     Hook::callAll('follow', $arr);
+    Hook::callAll('unfollow', $hook_data);
 
 ### src/Model/Profile.php
 
diff --git a/doc/de/Addons.md b/doc/de/Addons.md
index 257333b9cd..b242d13078 100644
--- a/doc/de/Addons.md
+++ b/doc/de/Addons.md
@@ -356,6 +356,7 @@ Eine komplette Liste aller Hook-Callbacks mit den zugehörigen Dateien (am 01-Ap
 
     Hook::callAll('contact_photo_menu', $args);
     Hook::callAll('follow', $arr);
+    Hook::callAll('unfollow', $hook_data);
 
 ### src/Model/Profile.php
 
diff --git a/mod/unfollow.php b/mod/unfollow.php
index de1cb6cf7c..6ee45b17d8 100644
--- a/mod/unfollow.php
+++ b/mod/unfollow.php
@@ -144,7 +144,7 @@ function unfollow_process(string $url)
 		Contact::terminateFriendship($owner, $contact, $dissolve);
 	}
 
-	// Sharing-only contacts get deleted as there no relationship any more
+	// Sharing-only contacts get deleted as there no relationship anymore
 	if ($dissolve) {
 		Contact::remove($contact['id']);
 		$return_path = $base_return_path;
diff --git a/src/Model/Contact.php b/src/Model/Contact.php
index 5fee65546f..1375a8b3ef 100644
--- a/src/Model/Contact.php
+++ b/src/Model/Contact.php
@@ -845,6 +845,12 @@ class Contact
 			if ($dissolve) {
 				ActivityPub\Transmitter::sendContactReject($contact['url'], $contact['hub-verify'], $user['uid']);
 			}
+		} else {
+			$hook_data = [
+				'contact' => $contact,
+				'dissolve' => $dissolve,
+			];
+			Hook::callAll('unfollow', $hook_data);
 		}
 	}
 
diff --git a/view/lang/C/messages.po b/view/lang/C/messages.po
index 9f92d9f423..ac1984cef4 100644
--- a/view/lang/C/messages.po
+++ b/view/lang/C/messages.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: 2021.12-dev\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-09-25 18:44+0000\n"
+"POT-Creation-Date: 2021-09-26 03:57+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -717,7 +717,7 @@ msgid "OStatus support is disabled. Contact can't be added."
 msgstr ""
 
 #: mod/follow.php:138 src/Content/Item.php:463 src/Content/Widget.php:76
-#: src/Model/Contact.php:1045 src/Model/Contact.php:1058
+#: src/Model/Contact.php:1051 src/Model/Contact.php:1064
 #: view/theme/vier/theme.php:172
 msgid "Connect/Follow"
 msgstr ""
@@ -3001,31 +3001,31 @@ msgstr ""
 msgid "Follow Thread"
 msgstr ""
 
-#: src/Content/Item.php:443 src/Model/Contact.php:1050
+#: src/Content/Item.php:443 src/Model/Contact.php:1056
 msgid "View Status"
 msgstr ""
 
-#: src/Content/Item.php:444 src/Content/Item.php:466 src/Model/Contact.php:976
-#: src/Model/Contact.php:1042 src/Model/Contact.php:1051
+#: src/Content/Item.php:444 src/Content/Item.php:466 src/Model/Contact.php:982
+#: src/Model/Contact.php:1048 src/Model/Contact.php:1057
 #: src/Module/Directory.php:160 src/Module/Settings/Profile/Index.php:223
 msgid "View Profile"
 msgstr ""
 
-#: src/Content/Item.php:445 src/Model/Contact.php:1052
+#: src/Content/Item.php:445 src/Model/Contact.php:1058
 msgid "View Photos"
 msgstr ""
 
-#: src/Content/Item.php:446 src/Model/Contact.php:1043
-#: src/Model/Contact.php:1053
+#: src/Content/Item.php:446 src/Model/Contact.php:1049
+#: src/Model/Contact.php:1059
 msgid "Network Posts"
 msgstr ""
 
-#: src/Content/Item.php:447 src/Model/Contact.php:1044
-#: src/Model/Contact.php:1054
+#: src/Content/Item.php:447 src/Model/Contact.php:1050
+#: src/Model/Contact.php:1060
 msgid "View Contact"
 msgstr ""
 
-#: src/Content/Item.php:448 src/Model/Contact.php:1056
+#: src/Content/Item.php:448 src/Model/Contact.php:1062
 msgid "Send PM"
 msgstr ""
 
@@ -3048,7 +3048,7 @@ msgstr ""
 msgid "Languages"
 msgstr ""
 
-#: src/Content/Item.php:458 src/Model/Contact.php:1057
+#: src/Content/Item.php:458 src/Model/Contact.php:1063
 msgid "Poke"
 msgstr ""
 
@@ -3498,7 +3498,7 @@ msgstr ""
 msgid "Organisations"
 msgstr ""
 
-#: src/Content/Widget.php:529 src/Model/Contact.php:1474
+#: src/Content/Widget.php:529 src/Model/Contact.php:1480
 msgid "News"
 msgstr ""
 
@@ -4362,85 +4362,85 @@ msgstr ""
 msgid "Legacy module file not found: %s"
 msgstr ""
 
-#: src/Model/Contact.php:1046 src/Model/Contact.php:1059
+#: src/Model/Contact.php:1052 src/Model/Contact.php:1065
 msgid "UnFollow"
 msgstr ""
 
-#: src/Model/Contact.php:1055
+#: src/Model/Contact.php:1061
 msgid "Drop Contact"
 msgstr ""
 
-#: src/Model/Contact.php:1065 src/Module/Admin/Users/Pending.php:107
+#: src/Model/Contact.php:1071 src/Module/Admin/Users/Pending.php:107
 #: src/Module/Notifications/Introductions.php:111
 #: src/Module/Notifications/Introductions.php:183
 msgid "Approve"
 msgstr ""
 
-#: src/Model/Contact.php:1470
+#: src/Model/Contact.php:1476
 msgid "Organisation"
 msgstr ""
 
-#: src/Model/Contact.php:1478
+#: src/Model/Contact.php:1484
 msgid "Forum"
 msgstr ""
 
-#: src/Model/Contact.php:2334
+#: src/Model/Contact.php:2340
 msgid "Disallowed profile URL."
 msgstr ""
 
-#: src/Model/Contact.php:2339 src/Module/Friendica.php:81
+#: src/Model/Contact.php:2345 src/Module/Friendica.php:81
 msgid "Blocked domain"
 msgstr ""
 
-#: src/Model/Contact.php:2344
+#: src/Model/Contact.php:2350
 msgid "Connect URL missing."
 msgstr ""
 
-#: src/Model/Contact.php:2353
+#: src/Model/Contact.php:2359
 msgid ""
 "The contact could not be added. Please check the relevant network "
 "credentials in your Settings -> Social Networks page."
 msgstr ""
 
-#: src/Model/Contact.php:2390
+#: src/Model/Contact.php:2396
 msgid "The profile address specified does not provide adequate information."
 msgstr ""
 
-#: src/Model/Contact.php:2392
+#: src/Model/Contact.php:2398
 msgid "No compatible communication protocols or feeds were discovered."
 msgstr ""
 
-#: src/Model/Contact.php:2395
+#: src/Model/Contact.php:2401
 msgid "An author or name was not found."
 msgstr ""
 
-#: src/Model/Contact.php:2398
+#: src/Model/Contact.php:2404
 msgid "No browser URL could be matched to this address."
 msgstr ""
 
-#: src/Model/Contact.php:2401
+#: src/Model/Contact.php:2407
 msgid ""
 "Unable to match @-style Identity Address with a known protocol or email "
 "contact."
 msgstr ""
 
-#: src/Model/Contact.php:2402
+#: src/Model/Contact.php:2408
 msgid "Use mailto: in front of address to force email check."
 msgstr ""
 
-#: src/Model/Contact.php:2408
+#: src/Model/Contact.php:2414
 msgid ""
 "The profile address specified belongs to a network which has been disabled "
 "on this site."
 msgstr ""
 
-#: src/Model/Contact.php:2413
+#: src/Model/Contact.php:2419
 msgid ""
 "Limited profile. This person will be unable to receive direct/personal "
 "notifications from you."
 msgstr ""
 
-#: src/Model/Contact.php:2472
+#: src/Model/Contact.php:2478
 msgid "Unable to retrieve contact information."
 msgstr ""