From bb7324292cda2354511d3332aecb0b9748021764 Mon Sep 17 00:00:00 2001
From: Gregory Anders <8965202+gpanders@users.noreply.github.com>
Date: Wed, 8 Nov 2023 12:16:45 -0600
Subject: [PATCH] fix: flush UI state before blocking in vim.wait (#25938)

---
 src/nvim/lua/executor.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/nvim/lua/executor.c b/src/nvim/lua/executor.c
index 36cb8a6756..3333c73bfd 100644
--- a/src/nvim/lua/executor.c
+++ b/src/nvim/lua/executor.c
@@ -463,6 +463,9 @@ static int nlua_wait(lua_State *lstate)
   int pcall_status = 0;
   bool callback_result = false;
 
+  // Flush UI before blocking
+  ui_flush();
+
   LOOP_PROCESS_EVENTS_UNTIL(&main_loop,
                             loop_events,
                             (int)timeout,