Fix #1322

lua/cmp/init.lua

@@ -304,7 +304,8 @@ local on_insert_enter = function()
     cmp.core:on_change('InsertEnter')
   end
 end
-autocmd.subscribe({ 'InsertEnter', 'CmdlineEnter' }, async.debounce_next_tick(on_insert_enter))
+autocmd.subscribe({ 'CmdlineEnter' }, async.debounce_next_tick(on_insert_enter))
+autocmd.subscribe({ 'InsertEnter' }, async.debounce_next_tick_by_keymap(on_insert_enter))
 
 -- async.throttle is needed for performance. The mapping `:<C-u>...<CR>` will fire `CmdlineChanged` for each character.
 local on_text_changed = function()

lua/cmp/utils/async.lua

@@ -1,3 +1,5 @@
+local feedkeys = require('cmp.utils.feedkeys')
+
 local async = {}
 
 ---@class cmp.AsyncThrottle
@@ -138,4 +140,11 @@ async.debounce_next_tick = function(callback)
   end
 end
 
+---Wait and callback for consuming next keymap.
+async.debounce_next_tick_by_keymap = function(callback)
+  return function()
+    feedkeys.call('', '', callback)
+  end
+end
+
 return async