diff --git a/src/diff.c b/src/diff.c
index 171bffba35..c4f550d63c 100644
--- a/src/diff.c
+++ b/src/diff.c
@@ -4112,6 +4112,18 @@ theend:
     check_cursor();
     changed_line_abv_curs();
 
+#ifdef FEAT_FOLDING
+    // If all diffs are gone, update folds in all diff windows.
+    if (curtab->tp_first_diff == NULL)
+    {
+	win_T	*wp;
+
+	FOR_ALL_WINDOWS_IN_TAB(curtab, wp)
+	    if (wp->w_p_diff && wp->w_p_fdm[0] == 'd' && wp->w_p_fen)
+		foldUpdateAll(wp);
+    }
+#endif
+
     if (diff_need_update)
 	// redraw already done by ex_diffupdate()
 	diff_need_update = FALSE;
diff --git a/src/testdir/dumps/Test_diff_get_put_linematch_4.dump b/src/testdir/dumps/Test_diff_get_put_linematch_4.dump
index 6cd85c9b63..16c2cd874d 100644
--- a/src/testdir/dumps/Test_diff_get_put_linematch_4.dump
+++ b/src/testdir/dumps/Test_diff_get_put_linematch_4.dump
@@ -1,16 +1,16 @@
-| +0#0000e05#a8a8a8255@1| +0#0000000#ffffff0@34||+1&&| +0#0000e05#a8a8a8255@1| +0#0000000#ffffff0@34
-| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23||+1&&| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23
-| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23||+1&&| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23
-| +0#0000e05#a8a8a8255@1| +0#0000000#ffffff0@34||+1&&| +0#0000e05#a8a8a8255@1| +0#0000000#ffffff0@34
-| +0#0000e05#a8a8a8255@1|A+0#0000000#ffffff0|B|C|a|b|c| @28||+1&&| +0#0000e05#a8a8a8255@1>A+0#0000000#ffffff0|B|C|a|b|c| @28
-| +0#0000e05#a8a8a8255@1|A+0#0000000#ffffff0|B|C|a|b|c| @28||+1&&| +0#0000e05#a8a8a8255@1|A+0#0000000#ffffff0|B|C|a|b|c| @28
-| +0#0000e05#a8a8a8255@1|A+0#0000000#ffffff0|B|C|a|b|c| @28||+1&&| +0#0000e05#a8a8a8255@1|A+0#0000000#ffffff0|B|C|a|b|c| @28
-| +0#0000e05#a8a8a8255@1|A+0#0000000#ffffff0|B|C|a|b|c| @28||+1&&| +0#0000e05#a8a8a8255@1|A+0#0000000#ffffff0|B|C|a|b|c| @28
-| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23||+1&&| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23
-| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23||+1&&| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23
-| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23||+1&&| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23
-| +0#0000e05#a8a8a8255@1|s+0#0000000#ffffff0|o|m|e|t|h|i|n|g| @25||+1&&| +0#0000e05#a8a8a8255@1|s+0#0000000#ffffff0|o|m|e|t|h|i|n|g| @25
-|~+0#4040ff13&| @35||+1#0000000&|~+0#4040ff13&| @35
+|++0#0000e05#a8a8a8255| |+|-@1| |1|2| |l|i|n|e|s|:| |c|o|m@1|o|n| |l|i|n|e|-@9||+1#0000000#ffffff0|++0#0000e05#a8a8a8255| >+|-@1| |1|2| |l|i|n|e|s|:| |c|o|m@1|o|n| |l|i|n|e|-@9
+|~+0#4040ff13#ffffff0| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
 |~| @35||+1#0000000&|~+0#4040ff13&| @35
 |~| @35||+1#0000000&|~+0#4040ff13&| @35
 |~| @35||+1#0000000&|~+0#4040ff13&| @35
diff --git a/src/testdir/dumps/Test_diff_get_put_linematch_5.dump b/src/testdir/dumps/Test_diff_get_put_linematch_5.dump
index d203885bd9..9caec4855c 100644
--- a/src/testdir/dumps/Test_diff_get_put_linematch_5.dump
+++ b/src/testdir/dumps/Test_diff_get_put_linematch_5.dump
@@ -1,20 +1,20 @@
-| +0#0000e05#a8a8a8255@1| +0#0000000#ffffff0@34||+1&&| +0#0000e05#a8a8a8255@1| +0#0000000#ffffff0@34
-| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23||+1&&| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23
-| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23||+1&&| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23
-| +0#0000e05#a8a8a8255@1| +0#0000000#ffffff0@34||+1&&| +0#0000e05#a8a8a8255@1| +0#0000000#ffffff0@34
-| +0#0000e05#a8a8a8255@1>D+0#0000000#ffffff0|E|F|a|b|c| @28||+1&&| +0#0000e05#a8a8a8255@1|D+0#0000000#ffffff0|E|F|a|b|c| @28
-| +0#0000e05#a8a8a8255@1|x+0#0000000#ffffff0|y|z| @31||+1&&| +0#0000e05#a8a8a8255@1|x+0#0000000#ffffff0|y|z| @31
-| +0#0000e05#a8a8a8255@1|x+0#0000000#ffffff0|y|z| @31||+1&&| +0#0000e05#a8a8a8255@1|x+0#0000000#ffffff0|y|z| @31
-| +0#0000e05#a8a8a8255@1|x+0#0000000#ffffff0|y|z| @31||+1&&| +0#0000e05#a8a8a8255@1|x+0#0000000#ffffff0|y|z| @31
-| +0#0000e05#a8a8a8255@1|D+0#0000000#ffffff0|E|F|a|b|c| @28||+1&&| +0#0000e05#a8a8a8255@1|D+0#0000000#ffffff0|E|F|a|b|c| @28
-| +0#0000e05#a8a8a8255@1|D+0#0000000#ffffff0|E|F|a|b|c| @28||+1&&| +0#0000e05#a8a8a8255@1|D+0#0000000#ffffff0|E|F|a|b|c| @28
-| +0#0000e05#a8a8a8255@1|D+0#0000000#ffffff0|E|F|a|b|c| @28||+1&&| +0#0000e05#a8a8a8255@1|D+0#0000000#ffffff0|E|F|a|b|c| @28
-| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23||+1&&| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23
-| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23||+1&&| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23
-| +0#0000e05#a8a8a8255@1|D+0#0000000#ffffff0|E|F| @31||+1&&| +0#0000e05#a8a8a8255@1|D+0#0000000#ffffff0|E|F| @31
-| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23||+1&&| +0#0000e05#a8a8a8255@1|c+0#0000000#ffffff0|o|m@1|o|n| |l|i|n|e| @23
-| +0#0000e05#a8a8a8255@1|D+0#0000000#ffffff0|E|F| @31||+1&&| +0#0000e05#a8a8a8255@1|D+0#0000000#ffffff0|E|F| @31
-| +0#0000e05#a8a8a8255@1|s+0#0000000#ffffff0|o|m|e|t|h|i|n|g| @25||+1&&| +0#0000e05#a8a8a8255@1|s+0#0000000#ffffff0|o|m|e|t|h|i|n|g| @25
-|~+0#4040ff13&| @35||+1#0000000&|~+0#4040ff13&| @35
+|++0#0000e05#a8a8a8255| >+|-@1| |1|7| |l|i|n|e|s|:| |c|o|m@1|o|n| |l|i|n|e|-@9||+1#0000000#ffffff0|++0#0000e05#a8a8a8255| |+|-@1| |1|7| |l|i|n|e|s|:| |c|o|m@1|o|n| |l|i|n|e|-@9
+|~+0#4040ff13#ffffff0| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
+|~| @35||+1#0000000&|~+0#4040ff13&| @35
 |X+3#0000000&|d|i|f|i|l|e|1| |[|+|]| @6|5|,|1| @11|A|l@1| |X+1&&|d|i|f|i|l|e|2| @10|5|,|1| @11|A|l@1
 |:+0&&|4|,|1|2|d|i|f@1|g|e|t| @62
diff --git a/src/testdir/test_diffmode.vim b/src/testdir/test_diffmode.vim
index dadffecb56..5cd9871708 100644
--- a/src/testdir/test_diffmode.vim
+++ b/src/testdir/test_diffmode.vim
@@ -50,6 +50,40 @@ func Test_vert_split()
   set diffopt&
 endfunc
 
+" Test for diff folding redraw after last diff is resolved
+func Test_diff_fold_redraw()
+  " Set up two files with the minimal case
+  call writefile(['Paragraph 1', '', 'Paragraph 2', '', 'Paragraph 3'], 'Xfile1')
+  call writefile(['Paragraph 1', '', 'Paragraph 3'], 'Xfile2')
+
+  " Open in diff mode
+  exe 'edit Xfile1'
+  exe 'vert diffsplit Xfile2'
+
+  " Ensure both windows are in diff mode and folds are enabled
+  set foldmethod=diff
+  set foldenable
+
+  " Go to the diff and apply dp to copy Paragraph 2 to Xfile2
+  normal! ]c
+  normal! dp
+
+  " Redraw and check folds
+  redraw!
+  let win1_fold = foldclosed(1)
+  let win2_fold = foldclosed(1)
+
+  " Both windows should be fully folded (foldclosed returns 1 for top fold)
+  call assert_equal(1, win1_fold)
+  call assert_equal(1, win2_fold)
+
+  " Clean up
+  bwipe!
+  bwipe!
+  call delete('Xfile1')
+  call delete('Xfile2')
+endfunc
+
 func Test_vert_split_internal()
   set diffopt=internal,filler
   call Common_vert_split()
diff --git a/src/version.c b/src/version.c
index 6896410fbf..f25ccd0f8d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1439,
 /**/
     1438,
 /**/