diff --git a/README.md b/README.md
index 8ccb0b7..b123341 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ updated to work with the latest version of D on both 32- and 64-bit Linux.
 
 ### Building
 
-twoapple-reboot works with dmd 2.058; I haven't tried it with ldc/gdc.
+twoapple-reboot works with dmd 2.058/2.059; I haven't tried it with ldc/gdc.
 
 It depends on [gtkd](http://www.dsource.org/projects/gtkd) and [Derelict2](http://www.dsource.org/projects/derelict)
 
diff --git a/src/Makefile b/src/Makefile
index 74bd283..b9e86b3 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,4 +1,4 @@
-COMPILE_OPTS = -op -Jdata -I$(GTKD)/src \
+COMPILE_OPTS = -d -op -Jdata -I$(GTKD)/src \
 	-I$(GTKD)/srcgl -I$(DERELICT)/import \
 	-inline -release -O -noboundscheck \
 	-version=OpNestedSwitch
diff --git a/src/ui/mainwindow.d b/src/ui/mainwindow.d
index f2f38be..6d0e083 100644
--- a/src/ui/mainwindow.d
+++ b/src/ui/mainwindow.d
@@ -232,21 +232,21 @@ class TwoappleFile
 
     this(string fname)
     {
-        assert(isabs(fname) != 0);
+        assert(isAbsolute(fname) != 0);
         fileName = fname;
         fileNameZ = std.string.toStringz(fname);
     }
 
     string folder()
     {
-        return getDirName(fileName);
+        return dirName(fileName);
     }
 
     string baseName()
     {
-        string base = getName(fileName);
-        if (base is null) return getBaseName(fileName);
-        else return getBaseName(base);
+        string base = stripExtension(fileName);
+        if (base is null) return std.path.baseName(fileName);
+        else return std.path.baseName(base);
     }
 
     bool canRead()