diff --git a/anki/__init__.py b/anki/__init__.py
index d7f33c917..213d10587 100644
--- a/anki/__init__.py
+++ b/anki/__init__.py
@@ -30,6 +30,6 @@ if arch[1] == "ELF":
     sys.path.insert(0, os.path.join(ext, "py2.%d-%s" % (
         sys.version_info[1], arch[0][0:2])))
 
-version="2.0.26" # build scripts grep this line, so preserve formatting
+version="2.0.28" # build scripts grep this line, so preserve formatting
 from anki.storage import Collection
 __all__ = ["Collection"]
diff --git a/anki/media.py b/anki/media.py
index 7d37e8354..7493964b1 100644
--- a/anki/media.py
+++ b/anki/media.py
@@ -384,6 +384,15 @@ create table meta (dirMod int, lastUsn int); insert into meta values (0, 0);
             if not os.path.getsize(f):
                 os.unlink(f)
                 continue
+            # check encoding
+            if not isMac:
+                normf = unicodedata.normalize("NFC", f)
+                if f != normf:
+                    # wrong filename encoding which will cause sync errors
+                    if os.path.exists(normf):
+                        os.unlink(f)
+                    else:
+                        os.rename(f, normf)
             # newly added?
             if f not in self.cache:
                 added.append(f)
@@ -432,6 +441,7 @@ create table meta (dirMod int, lastUsn int); insert into meta values (0, 0);
 
     def forceResync(self):
         self.db.execute("delete from media")
+        self.db.execute("update meta set lastUsn=0,dirMod=0")
         self.db.execute("vacuum analyze")
         self.db.commit()
 
diff --git a/anki/sync.py b/anki/sync.py
index d3d261f85..cab986cae 100644
--- a/anki/sync.py
+++ b/anki/sync.py
@@ -608,7 +608,7 @@ class RemoteServer(HttpSyncer):
 
     def syncURL(self):
         if os.getenv("DEV"):
-            return "http://localhost:5000/sync/"
+            return "https://l1.ankiweb.net/sync/"
         return SYNC_BASE + "sync/"
 
     def hostKey(self, user, pw):
@@ -673,6 +673,8 @@ class FullSyncer(HttpSyncer):
         self.col = col
 
     def syncURL(self):
+        if os.getenv("DEV"):
+            return "https://l1.ankiweb.net/sync/"
         return SYNC_BASE + "sync/"
 
     def download(self):
@@ -801,6 +803,7 @@ class MediaSyncer(object):
 
             if serverLastUsn - processedCnt == lastUsn:
                 self.col.log("lastUsn in sync, updating local")
+                lastUsn = serverLastUsn
                 self.col.media.setLastUsn(serverLastUsn) # commits
             else:
                 self.col.log("concurrent update, skipping usn update")
@@ -848,7 +851,7 @@ class RemoteMediaServer(HttpSyncer):
 
     def syncURL(self):
         if os.getenv("DEV"):
-            return "http://localhost:5001/"
+            return "https://l1.ankiweb.net/msync/"
         return SYNC_BASE + "msync/"
 
     def begin(self):
diff --git a/aqt/__init__.py b/aqt/__init__.py
index f6c0bf2fb..61aa24158 100644
--- a/aqt/__init__.py
+++ b/aqt/__init__.py
@@ -53,7 +53,7 @@ class DialogManager(object):
     def open(self, name, *args):
         (creator, instance) = self._dialogs[name]
         if instance:
-            instance.setWindowState(Qt.WindowActive)
+            instance.setWindowState(instance.windowState() | Qt.WindowActive)
             instance.activateWindow()
             instance.raise_()
             return instance
@@ -253,4 +253,4 @@ environment points to a valid, writable folder.""")
     # load the main window
     import aqt.main
     mw = aqt.main.AnkiQt(app, pm, args)
-    app.exec_()
\ No newline at end of file
+    app.exec_()