diff --git a/apps/launch/ChangeLog b/apps/launch/ChangeLog
index c511b12b9..dc88c1b3e 100644
--- a/apps/launch/ChangeLog
+++ b/apps/launch/ChangeLog
@@ -23,6 +23,7 @@
 0.21: Make the "App source not found" warning less buggy
 0.22: Add less padding between launcher items, use new font if available in 2v26+
 0.23: Draw a placeholder screen right at the start to speed up apparent boot time
-0.24: Fix fullscreen when fastloading the launcher. (TODO:fix back btn flicker)
+0.24: Fix Launcher when a custom font from 2v26+ is specified (fix #3787)
+      Fix fullscreen when fastloading the launcher. (TODO:fix back btn flicker)
       Fix showClocks setting not taking effect by now clearing cache when
-      changing those settings.
+      changing those settings.
\ No newline at end of file
diff --git a/apps/launch/app.js b/apps/launch/app.js
index df3e9a62d..c0450e9ab 100644
--- a/apps/launch/app.js
+++ b/apps/launch/app.js
@@ -16,7 +16,7 @@
       font = "Vector"+(vectorval).toString();
     } else{
       font = settings.font;
-      scaleval = (font.split("x")[1])/20;
+      scaleval = g.setFont(font).stringMetrics("X").height / 20;
     }
   }
   let height = 50*scaleval;
@@ -109,4 +109,4 @@
 
   if (!settings.fullscreen) // finally draw widgets
     Bangle.drawWidgets();
-  }
+}
diff --git a/apps/sched/ChangeLog b/apps/sched/ChangeLog
index eab8dd305..efe4d8e15 100644
--- a/apps/sched/ChangeLog
+++ b/apps/sched/ChangeLog
@@ -31,3 +31,4 @@
 0.28: Added an icon for disabled events
 0.29: Improve clkinfo startup time by 10ms
 0.30: Fix possible bug in toggling an alarm to on, from clkinfo
+0.31: Ensure we reschedule alarms after setTimeZone has been called (fix #3791)
\ No newline at end of file
diff --git a/apps/sched/boot.js b/apps/sched/boot.js
index d736dd0e7..d3441d669 100644
--- a/apps/sched/boot.js
+++ b/apps/sched/boot.js
@@ -4,6 +4,7 @@
     clearTimeout(Bangle.SCHED);
     delete Bangle.SCHED;
   }
+  delete E.setTimeZone; // delete any modified setTimeZone we added below
   var alarms = require('Storage').readJSON('sched.json',1)||[];
   var time = new Date();
   var currentTime = (time.getHours()*3600000)+(time.getMinutes()*60000)+(time.getSeconds()*1000);
@@ -25,6 +26,9 @@
     normally.
     If active[0].js is defined, just run that code as-is and not alarm.js */
     Bangle.SCHED = setTimeout(active[0].js||'load("sched.js")',t);
+    // Override setTimeZone to ensure we reschedule alarms after it has been called - fix #3791
+    var tz = E.setTimeZone;
+    E.setTimeZone = function(z) { tz(z);eval(require("Storage").read("sched.boot.js")); };
   } else { // check for new alarms at midnight (so day of week works)
     Bangle.SCHED = setTimeout('eval(require("Storage").read("sched.boot.js"))', 86400000 - currentTime);
   }
diff --git a/apps/sched/metadata.json b/apps/sched/metadata.json
index 7e3458ae6..8a52068c1 100644
--- a/apps/sched/metadata.json
+++ b/apps/sched/metadata.json
@@ -1,7 +1,7 @@
 {
   "id": "sched",
   "name": "Scheduler",
-  "version": "0.30",
+  "version": "0.31",
   "description": "Scheduling library for alarms and timers",
   "icon": "app.png",
   "type": "scheduler",
diff --git a/core b/core
index 43dbadf5b..f83fa462d 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 43dbadf5b9a41ff00aa6bef76d3360b510fb06a5
+Subproject commit f83fa462d831eb0e93fe4ec2b48bfc98a785aa60
diff --git a/loader.js b/loader.js
index c1741e696..cb25107df 100644
--- a/loader.js
+++ b/loader.js
@@ -333,7 +333,7 @@ window.addEventListener('load', (event) => {
     reloadLanguage();
   });
 
-  if (!navigator.bluetooth) {
+  if ((typeof Android === "undefined") && !navigator.bluetooth) {
     console.warn("No Web Bluetooth on this platform");
     var iOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
     if (iOS) {