diff --git a/.ocamlformat b/.ocamlformat
index e69de29..75b374d 100644
--- a/.ocamlformat
+++ b/.ocamlformat
@@ -0,0 +1,3 @@
+profile = default
+version = 0.26.2
+no-parse-toplevel-phrases
\ No newline at end of file
diff --git a/dune b/dune
index ddcb786..899200a 100644
--- a/dune
+++ b/dune
@@ -20,7 +20,7 @@
  (libraries
    lwt
    store
-   memtrace
+   ;;memtrace
    glfw-ocaml
    tgls
    tgls.tgles2
diff --git a/dune-project b/dune-project
index ad06708..7850ba8 100644
--- a/dune-project
+++ b/dune-project
@@ -1,2 +1,2 @@
-(lang dune 3.6)
+(lang dune 3.15)
 (name oplevel)
diff --git a/oplevel.ml b/oplevel.ml
index 1e79d7a..aaf49c1 100644
--- a/oplevel.ml
+++ b/oplevel.ml
@@ -55,8 +55,7 @@ let main =
 
   Gl.clear_color 0.1 0.2 0.2 1.;
 
-  Memtrace.trace_if_requested ();
-
+  (*Memtrace.trace_if_requested (); *)
   let ctx =
     Gv.create ~flags:Gv.CreateFlags.(antialias lor stencil_strokes) ()
   in
@@ -142,7 +141,8 @@ let main =
   in
 
   ignore
-    (Toploop.use_input out_ppf (String "#use \"topfind\";;\n#list;;"));
+    (Toploop.use_input out_ppf
+       (String "#use \"topfind\";;\n#list;;#require \"lwt\";;"));
   (* toplevel execution binding *)
   Ui.(
     update_bindings ui
diff --git a/store.ml b/store.ml
index 7cb8d75..be9fa6a 100644
--- a/store.ml
+++ b/store.ml
@@ -19,7 +19,7 @@ let test_populate () : t Lwt.t =
 
 let init_default upstream_url : Sync.db Lwt.t =
   S.Repo.v (Irmin_git.Conf.init "../rootstore") >>= fun repo ->
-  S.of_branch repo "lablgtk" >>= fun t ->
+  S.of_branch repo "ogui" >>= fun t ->
   S.remote upstream_url >>= fun upstream ->
   (* (try Sync.pull_exn t upstream `Set >>= fun _ -> Lwt.return_unit
       with Invalid_argument a ->