diff --git a/src/edit.c b/src/edit.c
index 88fd18a..5d60951 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -1593,6 +1593,21 @@
 	    last_cursormoved = curwin->w_cursor;
 	}
 #endif
+#ifdef FEAT_AUTOCMD
+	/* Trigger TextChangedI if b_changedtick differs. */
+	if (!ready && has_textchangedI()
+		&& last_changedtick != curbuf->b_changedtick
+# ifdef FEAT_INS_EXPAND
+		&& !pum_visible()
+# endif
+		)
+	{
+	    if (last_changedtick_buf == curbuf)
+		apply_autocmds(EVENT_TEXTCHANGEDI, NULL, NULL, FALSE, curbuf);
+	    last_changedtick_buf = curbuf;
+	    last_changedtick = curbuf->b_changedtick;
+	}
+#endif
 	if (must_redraw)
 	    update_screen(0);
 	else if (clear_cmdline || redraw_cmdline)
diff --git a/src/fileio.c b/src/fileio.c
index c177e63..b5a49b8 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -7713,6 +7713,8 @@
     {"TabLeave",	EVENT_TABLEAVE},
     {"TermChanged",	EVENT_TERMCHANGED},
     {"TermResponse",	EVENT_TERMRESPONSE},
+    {"TextChanged",	EVENT_TEXTCHANGED},
+    {"TextChangedI",	EVENT_TEXTCHANGEDI},
     {"User",		EVENT_USER},
     {"VimEnter",	EVENT_VIMENTER},
     {"VimLeave",	EVENT_VIMLEAVE},
@@ -9138,6 +9140,24 @@
 }
 
 /*
+ * Return TRUE when there is a TextChanged autocommand defined.
+ */
+    int
+has_textchanged()
+{
+    return (first_autopat[(int)EVENT_TEXTCHANGED] != NULL);
+}
+
+/*
+ * Return TRUE when there is a TextChangedI autocommand defined.
+ */
+    int
+has_textchangedI()
+{
+    return (first_autopat[(int)EVENT_TEXTCHANGEDI] != NULL);
+}
+
+/*
  * Return TRUE when there is an InsertCharPre autocommand defined.
  */
     int
diff --git a/src/globals.h b/src/globals.h
index 332fedc..ac0eb18 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1057,11 +1057,13 @@
 EXTERN int	autocmd_bufnr INIT(= 0);     /* fnum for <abuf> on cmdline */
 EXTERN char_u	*autocmd_match INIT(= NULL); /* name for <amatch> on cmdline */
 EXTERN int	did_cursorhold INIT(= FALSE); /* set when CursorHold t'gerd */
-EXTERN pos_T	last_cursormoved	    /* for CursorMoved event */
+EXTERN pos_T	last_cursormoved	      /* for CursorMoved event */
 # ifdef DO_INIT
 			= INIT_POS_T(0, 0, 0)
 # endif
 			;
+EXTERN int	last_changedtick INIT(= 0);   /* for TextChanged event */
+EXTERN buf_T	*last_changedtick_buf INIT(= NULL);
 #endif
 
 #ifdef FEAT_WINDOWS
diff --git a/src/main.c b/src/main.c
index 6c4f8ec..cba8dce 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1168,6 +1168,19 @@
 	    }
 #endif
 
+#ifdef FEAT_AUTOCMD
+	    /* Trigger TextChanged if b_changedtick differs. */
+	    if (!finish_op && has_textchanged()
+		    && last_changedtick != curbuf->b_changedtick)
+	    {
+		if (last_changedtick_buf == curbuf)
+		    apply_autocmds(EVENT_TEXTCHANGED, NULL, NULL,
+							       FALSE, curbuf);
+		last_changedtick_buf = curbuf;
+		last_changedtick = curbuf->b_changedtick;
+	    }
+#endif
+
 #if defined(FEAT_DIFF) && defined(FEAT_SCROLLBIND)
 	    /* Scroll-binding for diff mode may have been postponed until
 	     * here.  Avoids doing it for every change. */
diff --git a/src/proto/fileio.pro b/src/proto/fileio.pro
index 113b668..61eb712 100644
--- a/src/proto/fileio.pro
+++ b/src/proto/fileio.pro
@@ -44,6 +44,8 @@
 int trigger_cursorhold __ARGS((void));
 int has_cursormoved __ARGS((void));
 int has_cursormovedI __ARGS((void));
+int has_textchanged __ARGS((void));
+int has_textchangedI __ARGS((void));
 int has_insertcharpre __ARGS((void));
 void block_autocmds __ARGS((void));
 void unblock_autocmds __ARGS((void));
diff --git a/src/version.c b/src/version.c
index c3e8f37..70a0437 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    867,
+/**/
     866,
 /**/
     865,
diff --git a/src/vim.h b/src/vim.h
index fc23a47..fa2e075 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -1300,6 +1300,8 @@
     EVENT_TABENTER,		/* after entering a tab page */
     EVENT_SHELLCMDPOST,		/* after ":!cmd" */
     EVENT_SHELLFILTERPOST,	/* after ":1,2!cmd", ":w !cmd", ":r !cmd". */
+    EVENT_TEXTCHANGED,		/* text was modified */
+    EVENT_TEXTCHANGEDI,		/* text was modified in Insert mode*/
     NUM_EVENTS			/* MUST be the last one */
 };