diff --git a/src/3rdparty/win32_include/curses.h b/src/3rdparty/win32_include/curses.h
index aba348c98..79412299f 100755
--- a/src/3rdparty/win32_include/curses.h
+++ b/src/3rdparty/win32_include/curses.h
@@ -39,10 +39,10 @@ Defined by this header:
          /* the 'endwin_*' #defines below should be updated.             */
 #define PDC_VER_MAJOR    4
 #define PDC_VER_MINOR    3
-#define PDC_VER_CHANGE   3
+#define PDC_VER_CHANGE   4
 #define PDC_VER_YEAR   2022
 #define PDC_VER_MONTH    07
-#define PDC_VER_DAY      24
+#define PDC_VER_DAY      29
 
 #define PDC_STRINGIZE( x) #x
 #define PDC_stringize( x) PDC_STRINGIZE( x)
@@ -1785,6 +1785,7 @@ PDCEX void    PDC_set_window_resized_callback(void (*callback)());
 PDCEX int     PDC_set_preferred_fontface( const wchar_t* fontface);
 PDCEX void    PDC_set_color_intensify_enabled( bool enabled);
 PDCEX void    PDC_set_default_menu_visibility(int visible);
+
 PDCEX  WINDOW *Xinitscr(int, char **);
 
 #ifdef XCURSES
diff --git a/src/3rdparty/win32_src/pdcurses/scr_dump.c b/src/3rdparty/win32_src/pdcurses/scr_dump.c
index d7fac2c2c..59e87e95d 100644
--- a/src/3rdparty/win32_src/pdcurses/scr_dump.c
+++ b/src/3rdparty/win32_src/pdcurses/scr_dump.c
@@ -207,13 +207,13 @@ WINDOW *getwin(FILE *filep)
     }
     win->_attrs = _get_chtype_from_eight_bytes( buff);
     win->_bkgd = _get_chtype_from_eight_bytes( buff + 8);
-    win->_clear      = _clear;
-    win->_leaveit    = _leaveit;
-    win->_scroll     = _scroll;
-    win->_nodelay    = _nodelay;
-    win->_immed      = _immed;
-    win->_sync       = _sync;
-    win->_use_keypad = _use_keypad;
+    win->_clear      = (bool)_clear;
+    win->_leaveit    = (bool)_leaveit;
+    win->_scroll     = (bool)_scroll;
+    win->_nodelay    = (bool)_nodelay;
+    win->_immed      = (bool)_immed;
+    win->_sync       = (bool)_sync;
+    win->_use_keypad = (bool)_use_keypad;
 
     nlines = win->_maxy;
 
diff --git a/src/3rdparty/win32_src/pdcurses/util.c b/src/3rdparty/win32_src/pdcurses/util.c
index cf89eedf3..12c5a58ad 100644
--- a/src/3rdparty/win32_src/pdcurses/util.c
+++ b/src/3rdparty/win32_src/pdcurses/util.c
@@ -21,10 +21,6 @@ util
                  short color_pair, const void *opts);
     wchar_t *wunctrl(cchar_t *wc);
 
-    int PDC_mbtowc(wchar_t *pwc, const char *s, size_t n);
-    size_t PDC_mbstowcs(wchar_t *dest, const char *src, size_t n);
-    size_t PDC_wcstombs(char *dest, const wchar_t *src, size_t n);
-
 ### Description
 
    unctrl() expands the text portion of the chtype c into a printable
@@ -67,9 +63,6 @@ util
     getcchar                    Y       Y       Y
     setcchar                    Y       Y       Y
     wunctrl                     Y       Y       Y
-    PDC_mbtowc                  -       -       -
-    PDC_mbstowcs                -       -       -
-    PDC_wcstombs                -       -       -
 
 **man-end****************************************************************/
 
diff --git a/src/3rdparty/win32_src/pdcurses/wingui/pdcscrn.c b/src/3rdparty/win32_src/pdcurses/wingui/pdcscrn.c
index 0cc746583..da6e35810 100644
--- a/src/3rdparty/win32_src/pdcurses/wingui/pdcscrn.c
+++ b/src/3rdparty/win32_src/pdcurses/wingui/pdcscrn.c
@@ -985,6 +985,7 @@ INLINE int set_default_sizes_from_registry( const int n_cols, const int n_rows,
 static void adjust_font_size( const int font_size_change)
 {
     extern int PDC_font_size;
+    RECT client_rect;
 
     PDC_font_size += font_size_change;
     if( PDC_font_size < 2)
@@ -1001,22 +1002,21 @@ static void adjust_font_size( const int font_size_change)
           /* you disagree,  I have others.                    */
     if( IsZoomed( PDC_hWnd))
     {
-        RECT client_rect;
-        GetClientRect( PDC_hWnd, &client_rect);
+        GetClientRect(PDC_hWnd, &client_rect);
         PDC_n_rows = client_rect.bottom / PDC_cyChar;
         PDC_n_cols = client_rect.right / PDC_cxChar;
-        keep_size_within_bounds( &PDC_n_rows, &PDC_n_cols);
-        PDC_resize_screen( PDC_n_rows, PDC_n_cols);
-        add_key_to_queue( KEY_RESIZE);
+        keep_size_within_bounds(&PDC_n_rows, &PDC_n_cols);
+        PDC_resize_screen(PDC_n_rows, PDC_n_cols);
+        add_key_to_queue(KEY_RESIZE);
         SP->resized = TRUE;
-        GetClientRect( PDC_hWnd, &client_rect);
-        InvalidateRect(PDC_hWnd, &client_rect, FALSE);
     }
     else
     {
         PDC_resize_screen( PDC_n_rows, PDC_n_cols);
-        InvalidateRect( PDC_hWnd, NULL, FALSE);
     }
+
+    InvalidateRect(PDC_hWnd, NULL, FALSE);
+    UpdateWindow(PDC_hWnd);
 }
 
 #define WM_ENLARGE_FONT       (WM_USER + 1)