diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index 1236f08661..f019c75a11 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -1100,6 +1100,9 @@ au BufNewFile,BufRead *.persistentmodels	setf haskellpersistent
 au BufNewFile,BufRead *.ht			setf haste
 au BufNewFile,BufRead *.htpp			setf hastepreproc
 
+" Haxe
+au BufNewFile,BufRead *.hx			setf haxe
+
 " HCL
 au BufRead,BufNewFile *.hcl			setf hcl
 
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 7323d1ed5c..2f5189d230 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -348,6 +348,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     haskellpersistent: ['file.persistentmodels'],
     haste: ['file.ht'],
     hastepreproc: ['file.htpp'],
+    haxe: ['file.hx'],
     hb: ['file.hb'],
     hcl: ['file.hcl'],
     heex: ['file.heex'],
diff --git a/src/version.c b/src/version.c
index 5f51af9a44..9b2b53c195 100644
--- a/src/version.c
+++ b/src/version.c
@@ -719,6 +719,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1503,
 /**/
     1502,
 /**/