Feature: Introduce pref mail.startupMinimized. (Issue #140).

102/features/19-feature-startup-minimized.patch

@@ -0,0 +1,43 @@
+# HG changeset patch
+# User Betterbird <[email protected]>
+# Date 1681586624 -7200
+# Parent  37650153e0cc41085d858f36248b1b8ec96e2f15
+Feature: Introduce pref mail.startupMinimized.
+
+diff --git a/mail/app/profile/all-thunderbird.js b/mail/app/profile/all-thunderbird.js
+--- a/mail/app/profile/all-thunderbird.js
++++ b/mail/app/profile/all-thunderbird.js
+@@ -1338,8 +1338,9 @@ pref("app.donation.eoy.version.viewed", 
+ pref("betterbird.donation.eoy.version", 2022);
+ pref("betterbird.donation.eoy.version.viewed", 0);
+ pref("betterbird.donation.eoy.url", "https://www.betterbird.eu/end-of-year/");
+
+ // Make this visible in the advanced preferences.
+ pref("ui.prefersReducedMotion", 0);
+
+ pref("mail.multiselect_message_shows_current", false);
++pref("mail.startupMinimized", false);
+diff --git a/mail/base/content/msgMail3PaneWindow.js b/mail/base/content/msgMail3PaneWindow.js
+--- a/mail/base/content/msgMail3PaneWindow.js
++++ b/mail/base/content/msgMail3PaneWindow.js
+@@ -669,16 +669,20 @@ var gMailInit = {
+    * Delayed startup happens after the first paint of the window. Anything
+    * that can be delayed until after paint, should be to help give the
+    * illusion that Thunderbird is starting faster.
+    *
+    * Note: this only runs for the main 3 pane window.
+    */
+   _delayedStartup() {
+     this._cancelDelayedStartup();
++    if (!Services.appinfo.inSafeMode &&
++        Services.prefs.getBoolPref("mail.startupMinimized", false)) {
++      window.minimize();
++    }
+
+     MailOfflineMgr.init();
+
+     initOpenPGPIfEnabled();
+
+     PanelUI.init();
+     gExtensionsNotifications.init();
+

102/series

@@ -93,3 +93,4 @@ backout-bug-1775093-temp-fix-for-missing-string.patch
 17-feature-improved-send-progress.patch
 297852-grouping-search-term-CSS.patch
 18-feature-multiselect-shows-current.patch
+19-feature-startup-minimized.patch