diff --git a/ij/ImageJ.java b/ij/ImageJ.java
index 1b4965d1e..145944425 100644
--- a/ij/ImageJ.java
+++ b/ij/ImageJ.java
@@ -79,7 +79,7 @@ public class ImageJ extends Frame implements ActionListener,
 
 	/** Plugins should call IJ.getVersion() or IJ.getFullVersion() to get the version string. */
 	public static final String VERSION = "1.52f";
-	public static final String BUILD = "2";
+	public static final String BUILD = "4";
 	public static Color backgroundColor = new Color(237,237,237);
 	/** SansSerif, 12-point, plain font. */
 	public static final Font SansSerif12 = new Font("SansSerif", Font.PLAIN, 12);
diff --git a/ij/plugin/Clipboard.java b/ij/plugin/Clipboard.java
index 6a08cb721..4ea2f49c3 100644
--- a/ij/plugin/Clipboard.java
+++ b/ij/plugin/Clipboard.java
@@ -38,9 +38,11 @@ else if (arg.equals("show"))
 	
 	void copy(boolean cut) {
 		ImagePlus imp = WindowManager.getCurrentImage();
-		if (imp!=null)
+		if (imp!=null) {
 	 		imp.copy(cut);
-	 	else
+	 		if (cut)
+	 			imp.changes = true;
+	 	} else
 	 		IJ.noImage();
 	}
 	
diff --git a/ij/plugin/FolderOpener.java b/ij/plugin/FolderOpener.java
index 3cace7c64..ca34f96df 100644
--- a/ij/plugin/FolderOpener.java
+++ b/ij/plugin/FolderOpener.java
@@ -133,34 +133,33 @@ public void run(String arg) {
 		n = list.length;
 		start = 1;
 		increment = 1;
+		boolean dicomImages = false;
 		try {
-			if (isMacro) {
-				if (!showDialog(null, list))
-					return;
-			} else {
-				for (int i=0; i<list.length; i++) {
-					Opener opener = new Opener();
-					opener.setSilentMode(true);
-					IJ.redirectErrorMessages(true);
-					ImagePlus imp = opener.openImage(directory, list[i]);
-					IJ.redirectErrorMessages(false);
-					if (imp!=null) {
-						width = imp.getWidth();
-						height = imp.getHeight();
-						bitDepth = imp.getBitDepth();
-						if (arg==null) {
-							if (!showDialog(imp, list))
-								return;
-						}
-						break;
+			for (int i=0; i<list.length; i++) {
+				Opener opener = new Opener();
+				opener.setSilentMode(true);
+				IJ.redirectErrorMessages(true);
+				ImagePlus imp = opener.openImage(directory, list[i]);
+				IJ.redirectErrorMessages(false);
+				if (imp!=null) {
+					width = imp.getWidth();
+					height = imp.getHeight();
+					bitDepth = imp.getBitDepth();
+					String info = (String)imp.getProperty("Info");
+					if (info!=null && info.contains("7FE0,0010"))
+						dicomImages = true;
+					if (arg==null) {
+						if (!showDialog(imp, list))
+							return;
 					}
+					break;
 				}
-				if (width==0) {
-					IJ.error("Sequence Reader", "This folder does not appear to contain\n"
-					+ "any TIFF, JPEG, BMP, DICOM, GIF, FITS or PGM files.\n \n"
-					+ "   \""+directory+"\"");
-					return;
-				}
+			}
+			if (width==0) {
+				IJ.error("Sequence Reader", "This folder does not appear to contain\n"
+				+ "any TIFF, JPEG, BMP, DICOM, GIF, FITS or PGM files.\n \n"
+				+ "   \""+directory+"\"");
+				return;
 			}
 			String pluginName = "Sequence Reader";
 			if (legacyRegex!=null)
@@ -170,7 +169,7 @@ public void run(String arg) {
 				return;
 			IJ.showStatus("");
 			t0 = System.currentTimeMillis();
-			if (sortFileNames)
+			if (sortFileNames || dicomImages)
 				list = StringSorter.sortNumerically(list);
 
 			if (n<1)
@@ -373,6 +372,8 @@ else if (label2!=null && !label2.equals(""))
 					filter = "["+filter+"]";
 				options = options + " file=" + filter;
 			}
+			if (!sortByMetaData)
+				options = options + " noMetaSort";
    			Recorder.recordCall("imp = FolderOpener.open(\""+directory+"\", \""+options+"\");");
 		}
 
@@ -427,6 +428,8 @@ boolean showDialog(ImagePlus imp, String[] list) {
 			filter = "("+legacyRegex+")";
 		convertToRGB = gd.getNextBoolean();
 		sortFileNames = gd.getNextBoolean();
+		if (!sortFileNames)
+			sortByMetaData = false;
 		openAsVirtualStack = gd.getNextBoolean();
 		if (openAsVirtualStack)
 			scale = 100.0;
diff --git a/ij/plugin/filter/ScaleDialog.java b/ij/plugin/filter/ScaleDialog.java
index 5db151b2d..34b8b16f2 100644
--- a/ij/plugin/filter/ScaleDialog.java
+++ b/ij/plugin/filter/ScaleDialog.java
@@ -101,8 +101,10 @@ public void run(ImageProcessor ip) {
 				cal.pixelHeight = cal.pixelWidth;
 			cal.setUnit(unit);
 		}
-		if (!cal.equals(calOrig))
+		if (!cal.equals(calOrig)) {
 			imp.setCalibration(cal);
+			imp.changes = true;
+		}
 		imp.setGlobalCalibration(global2?cal:null);
 		if (global2 || global2!=global1)
 			WindowManager.repaintImageWindows();
diff --git a/release-notes.html b/release-notes.html
index 01cf54392..1af3d7da4 100644
--- a/release-notes.html
+++ b/release-notes.html
@@ -5,13 +5,18 @@
 </head>
 <body>
 
-<li> <u>1.52f 12 July 2018</u>
+<li> <u>1.52f 18 July 2018</u>
 <ul>
-<li> Thanks to 'Sethur', added a 'noMetaSort' option to the options
-string of the FolderOpener.open(dir,options) method. This option
-disables sorting of DICOM stacks by series number (0020,0011).
+<li> Thanks to 'Sethur', ImageJ no longer sorts imported DICOM
+stacks by series number (tag 0020,0011) if "Sort images numerically" 
+is not checked in the <i>File&gt;Import&gt;ImageSequence</i>
+dialog. Also added a recordable 'noMetaSort' option to the options
+string of the FolderOpener.open(dir,options) method.
 <li> Thanks to Christian Tischer, fixed bugs in the RoiManager.add(ImagePlus,Roi,int)
 method than caused it to not behave as expected if the ROI name was not null.
+<li> Thanks to Norbert Vischer, fixed bugs that caused the
+<i>Edit&gt;Cut</i> and <i>Analyze&gt;Set Scale</i> commands
+to not set the 'changes' flag.
 </ul>
 
 <li> <u>1.52e 11 July 2018</u>