Merge pull request #359 from rusq/logger

readme updates

README.md

@@ -70,17 +70,20 @@ On other Operating Systems, please follow these steps:
 By default, Slackdump uses the EZ-Login 3000 automatic login, and interactive
 mode.
 
-.. NOTE::
-  On Windows and macOS you may be presented with "Unknown developer" window,
-  this is fine.  Reason for this is that the executable hasn't been signed by
-  the developer certificate.
+> [!NOTE] 
+> On Windows and macOS you may be presented with "Unknown developer" window,
+> this is fine.  Reason for this is that the executable hasn't been signed by
+> the developer certificate.
 
   To work around this:
 
   - **on Windows**: click "more information", and press "Run
     Anyway" button.
-  - **on macOS**: open the folder in Finder, hold Option and double click the
-    executable, choose Run.
+  - **on macOS** 14 Sonoma and prior:  open the folder in Finder, hold Option
+    and double click the executable, choose Run.
+  - **on macOS** 15 Sequoia and later:  start the slackdump, OS will show the
+    "Unknown developer" window, then go to System Preferences -> Security and
+    Privacy -> General, and press "Open Anyway" button.
 
 
 ## Slackord2: Migrating to Discord