diff --git a/append_pdfs.m b/append_pdfs.m
index cd1b1b6..ced0b42 100644
--- a/append_pdfs.m
+++ b/append_pdfs.m
@@ -42,6 +42,7 @@ function append_pdfs(varargin)
 % 29/03/20: Accept a cell-array of input files (issue #299); accept both "strings", 'chars'
 % 25/01/22: Improved handling of missing input files & folder with non-ASCII chars (issue #349)
 % 07/06/23: Fixed (hopefully) unterminated quote run-time error (issues #367, #378); fixed handling of pathnames with non-ASCII chars (issue #349); display ghostscript command upon run-time invocation error
+% 06/07/23: Another attempt to fix issue #378 (remove unnecessary quotes from ghostscript cmdfile)
 %}
 
     if nargin < 2,  return;  end  % sanity check
@@ -154,6 +155,7 @@ function prepareCmdFile(cmdfile, output, varargin)
     str = ['-q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dPDFSETTINGS=/prepress ' ...
            '-sOutputFile="' output '" -f ' sprintf('"%s" ',varargin{:})];
     str = regexprep(str, ' "?" ',' ');  % remove empty strings (issues #367,#378)
+    str = regexprep(str, '"([^ ]*)"', '$1');  % remove unnecessary quotes
     str = strtrim(str);  % trim extra spaces
 
     fh = fopen(cmdfile, 'w');
diff --git a/export_fig.m b/export_fig.m
index f2855d7..c16374c 100644
--- a/export_fig.m
+++ b/export_fig.m
@@ -386,6 +386,7 @@
 % 23/04/23: (3.37) Fixed run-time error with old Matlab releases (issue #374); -notify console message about exported image now displays black (STDOUT) not red (STDERR)
 % 15/05/23: (3.38) Fixed endless recursion when using export_fig in Live Scripts (issue #375); don't warn about exportgraphics/copygraphics alternatives in deployed mode
 % 30/05/23: (3.39) Fixed exported bgcolor of uifigures or figures in Live Scripts (issue #377)
+% 06/07/23: (3.40) For Tiff compression, use AdobeDeflate codec (if available) instead of Deflate (issue #379)
 %}
 
     if nargout
@@ -423,7 +424,7 @@
     [fig, options] = parse_args(nargout, fig, argNames, varargin{:});
 
     % Check for newer version and exportgraphics/copygraphics compatibility
-    currentVersion = 3.39;
+    currentVersion = 3.40;
     if options.version  % export_fig's version requested - return it and bail out
         imageData = currentVersion;
         return
@@ -659,6 +660,8 @@
 
     % Main processing 
     try
+        oldWarn = warning;
+
         % Export bitmap formats first
         if isbitmap(options)
             if abs(options.bb_padding) > 1
@@ -918,7 +921,13 @@
                     t.setTag('ImageLength',    size(img,1));
                     t.setTag('ImageWidth',     size(img,2)); 
                     t.setTag('Photometric',         Tiff.Photometric.RGB);
-                    t.setTag('Compression',         Tiff.Compression.Deflate); 
+                    try %issue #379 use Tiff.Compression.AdobeDeflate by default
+                        compressionMode = Tiff.Compression.AdobeDeflate;
+                    catch
+                        warning off imageio:tiffmexutils:libtiffWarning  %issue #379
+                        compressionMode = Tiff.Compression.Deflate;
+                    end
+                    t.setTag('Compression',         compressionMode); 
                     t.setTag('PlanarConfiguration', Tiff.PlanarConfiguration.Chunky);
                     t.setTag('ExtraSamples',        Tiff.ExtraSamples.AssociatedAlpha);
                     t.setTag('ResolutionUnit',      Tiff.ResolutionUnit.Inch);
@@ -1528,7 +1537,12 @@
         if ~nargout
             clear imageData alpha
         end
+
+        % Revert warnings state
+        warning(oldWarn);
     catch err
+        % Revert warnings state
+        warning(oldWarn);
         % Revert figure properties in case they were changed
         try set(fig,'Units',oldFigUnits, 'Position',pos, 'Color',tcol_orig); catch, end
         % Display possible workarounds before the error message