diff --git a/LICENSE b/LICENSE
index 191ecac..48b65d5 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019-2021 HorlogeSkynet
+Copyright (c) 2019-2022 HorlogeSkynet
 Copyright (c) 2019      dngray
 Copyright (c) 2019      arkenfox [prev. ghacksuserjs]
 
diff --git a/user.js b/user.js
index 1ff6fba..1f1b9ff 100644
--- a/user.js
+++ b/user.js
@@ -1,7 +1,7 @@
 /******
 * name: thunderbird user.js
-* date: 14 December 2021
-* version: v78.1
+* date: 23 May 2022
+* version: v78.2
 * url: https://github.com/HorlogeSkynet/thunderbird-user.js
 * license: MIT (https://github.com/HorlogeSkynet/thunderbird-user.js/blob/master/LICENSE)
 * releases: https://github.com/HorlogeSkynet/thunderbird-user.js/releases
@@ -1562,6 +1562,12 @@ user_pref("mailnews.reply_header_type", 1);
 user_pref("mailnews.reply_header_authorwrotesingle", "#1 wrote:");
    // user_pref("mailnews.reply_header_ondateauthorwrote", "On #2 #3, #1 wrote:");
    // user_pref("mailnews.reply_header_authorwroteondate", "#1 wrote on #2 #3:");
+/* 6106: Prevent spellchecking dictionary leakage through Content-Language header
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1370217 ***/
+user_pref("mail.suppress_content_language", true);
+/* 6107: Sanitize Date header to convert date to UTC and round to closest minute
+ * [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1603359 ***/
+user_pref("mail.sanitize_date_header", true);
 
 /** COMPOSITION ***/
 /* 6110: Check spelling before sending [SETUP-FEATURE]