diff --git a/CHANGELOG.md b/CHANGELOG.md
index 42227a6a..dccfca61 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,11 @@ Changelog structure reference:
 
 ## [Unreleased]
 
+### Fixed
+
+- LSP
+  - IDE warning when renaming symbols
+
 ## [23.1.1]
 
 ### Fixed
diff --git a/lsp/src/main/kotlin/com/falsepattern/zigbrains/lsp/notification/ZigEditorNotificationProvider.kt b/lsp/src/main/kotlin/com/falsepattern/zigbrains/lsp/notification/ZigEditorNotificationProvider.kt
index b72dde64..a812b8b8 100644
--- a/lsp/src/main/kotlin/com/falsepattern/zigbrains/lsp/notification/ZigEditorNotificationProvider.kt
+++ b/lsp/src/main/kotlin/com/falsepattern/zigbrains/lsp/notification/ZigEditorNotificationProvider.kt
@@ -24,7 +24,8 @@ package com.falsepattern.zigbrains.lsp.notification
 
 import com.falsepattern.zigbrains.lsp.ZLSBundle
 import com.falsepattern.zigbrains.lsp.settings.zlsSettings
-import com.falsepattern.zigbrains.lsp.zlsRunningSync
+import com.falsepattern.zigbrains.lsp.zlsRunningAsync
+import com.falsepattern.zigbrains.shared.zigCoroutineScope
 import com.falsepattern.zigbrains.zig.ZigFileType
 import com.falsepattern.zigbrains.zon.ZonFileType
 import com.intellij.openapi.fileEditor.FileEditor
@@ -33,6 +34,8 @@ import com.intellij.openapi.project.Project
 import com.intellij.openapi.vfs.VirtualFile
 import com.intellij.ui.EditorNotificationPanel
 import com.intellij.ui.EditorNotificationProvider
+import kotlinx.coroutines.async
+import kotlinx.coroutines.runBlocking
 import java.util.function.Function
 import javax.swing.JComponent
 
@@ -45,13 +48,21 @@ class ZigEditorNotificationProvider: EditorNotificationProvider, DumbAware {
             ZigFileType, ZonFileType -> {}
             else -> return null
         }
-        if (project.zlsRunningSync()) {
-            return null
+        val task = project.zigCoroutineScope.async {
+            if (project.zlsRunningAsync()) {
+                return@async null
+            } else {
+                return@async project.zlsSettings.validateAsync()
+            }
         }
         return Function { editor ->
             val status: EditorNotificationPanel.Status
             val message: String
-            if (!project.zlsSettings.validateSync()) {
+            val result = runBlocking { task.await() }
+            if (result == null)
+                return@Function null
+
+            if (!result) {
                 status = EditorNotificationPanel.Status.Error
                 message = ZLSBundle.message("notification.banner.zls-bad-config")
             } else {
diff --git a/lsp/src/main/kotlin/com/falsepattern/zigbrains/lsp/settings/ZLSProjectSettingsService.kt b/lsp/src/main/kotlin/com/falsepattern/zigbrains/lsp/settings/ZLSProjectSettingsService.kt
index 18039240..819a0bc2 100644
--- a/lsp/src/main/kotlin/com/falsepattern/zigbrains/lsp/settings/ZLSProjectSettingsService.kt
+++ b/lsp/src/main/kotlin/com/falsepattern/zigbrains/lsp/settings/ZLSProjectSettingsService.kt
@@ -27,6 +27,7 @@ import com.falsepattern.zigbrains.direnv.getDirenv
 import com.falsepattern.zigbrains.lsp.ZLSBundle
 import com.falsepattern.zigbrains.lsp.startLSP
 import com.falsepattern.zigbrains.project.settings.zigProjectSettings
+import com.intellij.ide.IdeEventQueue
 import com.intellij.openapi.components.*
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.util.io.toNioPathOrNull
@@ -83,17 +84,55 @@ class ZLSProjectSettingsService(val project: Project): PersistentStateComponent<
         }
     }
 
-    fun validateSync() = if (application.isDispatchThread && !application.isWriteAccessAllowed) {
-        runWithModalProgressBlocking(ModalTaskOwner.project(project), ZLSBundle.message("progress.title.validate")) {
-            validateAsync()
+    fun validateSync(): Boolean {
+        val isValid: Boolean? = runBlocking {
+            mutex.withLock {
+                if (dirty)
+                    null
+                else
+                    valid
+            }
         }
-    } else {
-        runBlocking {
-            validateAsync()
+        if (isValid != null) {
+            return isValid
+        }
+        return if (useModalProgress()) {
+            runWithModalProgressBlocking(ModalTaskOwner.project(project), ZLSBundle.message("progress.title.validate")) {
+                validateAsync()
+            }
+        } else {
+            runBlocking {
+                validateAsync()
+            }
         }
     }
 }
 
+private val prohibitClass: Class<*>? = runCatching {
+    Class.forName("com_intellij_ide_ProhibitAWTEvents".replace('_', '.'))
+}.getOrNull()
+
+private val postProcessors: List<*>? = runCatching {
+    if (prohibitClass == null)
+        return@runCatching null
+    val postProcessorsField = IdeEventQueue::class.java.getDeclaredField("postProcessors")
+    postProcessorsField.isAccessible = true
+    postProcessorsField.get(IdeEventQueue.getInstance()) as? List<*>
+}.getOrNull()
+
+private fun useModalProgress(): Boolean {
+    if (!application.isDispatchThread)
+        return false
+
+    if (application.isWriteAccessAllowed)
+        return false
+
+    if (postProcessors == null)
+        return true
+
+    return postProcessors.none { prohibitClass!!.isInstance(it) }
+}
+
 private suspend fun doValidate(project: Project, state: ZLSSettings): Boolean {
     val zlsPath: Path = state.zlsPath.let { zlsPath ->
         if (zlsPath.isEmpty()) {