diff --git a/opencore_legacy_patcher/constants.py b/opencore_legacy_patcher/constants.py
index eeaf9e909..f2512c378 100644
--- a/opencore_legacy_patcher/constants.py
+++ b/opencore_legacy_patcher/constants.py
@@ -13,7 +13,7 @@ from .detections import device_probe
 class Constants:
     def __init__(self) -> None:
         # Patcher Versioning
-        self.patcher_version:                 str = "2.3.2"  # OpenCore-Legacy-Patcher
+        self.patcher_version:                 str = "2.4.0"  # OpenCore-Legacy-Patcher
         self.patcher_support_pkg_version:     str = "1.9.3"  # PatcherSupportPkg
         self.copyright_date:                  str = "Copyright © 2020-2025 Dortania"
         self.patcher_name:                    str = "OpenCore Legacy Patcher"
@@ -155,8 +155,7 @@ class Constants:
         self.unpack_thread                   = None  #  Determine if unpack thread finished (threading.Thread)
         self.update_stage:               int = 0  #     Determine update stage (see gui_support.py)
         self.log_filepath:              Path = None  #  Path to log file
-        self.thread_sleep_interval:    float = 0.1   #  Sleep interval between UI updates (seconds) - reduce refresh-rate to reduce CPU-usage
-        self.thread_nap_interval:      float = 0.01  #  Short Sleep interval between UI updates (seconds) - for faster UI updates of the progress bar
+        self.thread_sleep_interval:    float = 0.01  #  Sleep interval between UI updates (seconds) - balance between UI responsiveness and CPU usage
 
         self.commit_info: tuple = (None, None, None)  # Commit info (Branch, Commit Date, Commit URL)
 
diff --git a/opencore_legacy_patcher/wx_gui/gui_macos_installer_flash.py b/opencore_legacy_patcher/wx_gui/gui_macos_installer_flash.py
index 80913b548..d93217070 100644
--- a/opencore_legacy_patcher/wx_gui/gui_macos_installer_flash.py
+++ b/opencore_legacy_patcher/wx_gui/gui_macos_installer_flash.py
@@ -3,7 +3,6 @@ gui_macos_installer_flash.py: macOS Installer Flash Frame
 """
 
 import wx
-import time
 import logging
 import plistlib
 import tempfile
@@ -317,7 +316,7 @@ class macOSInstallerFlashFrame(wx.Frame):
             wx.CallAfter(progress_bar.SetValue, bytes_written)
 
             wx.Yield()
-            time.sleep(self.constants.thread_sleep_interval)
+            thread.join(timeout=self.constants.thread_sleep_interval)
 
         if self.result is False:
             logging.error("Failed to flash installer, cannot continue.")
diff --git a/opencore_legacy_patcher/wx_gui/gui_support.py b/opencore_legacy_patcher/wx_gui/gui_support.py
index 5882833d3..8082c49a9 100644
--- a/opencore_legacy_patcher/wx_gui/gui_support.py
+++ b/opencore_legacy_patcher/wx_gui/gui_support.py
@@ -273,7 +273,7 @@ def wait_for_thread(thread: threading.Thread, sleep_interval=None):
 
     while thread.is_alive():
         wx.Yield()
-        time.sleep(interval)
+        thread.join(timeout=interval)
 
 
 class RestartHost: