Update documentation for release v1.0.0rc4

Author: github-actions[bot]

CHANGELOG.md

@@ -6,6 +6,18 @@
 
 
 
+## [1.0.0rc4] - 2025-08-04
+
+- Enlarged vertical size of QrewMessageBox to handle multi-line messages better.  Add new dialog for multi-instance notification and got rid of another QTimer
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+
+
+## [1.0.0rc4] - 2025-08-04
+
+- Enlarged vertical size of QrewMessageBox to handle multi-line messages better.  Add new dialog for multi-instance notification and got rid of another QTimer
+
+
+
 ## [1.0.0rc3] - 2025-08-03
 
 - Cross platform icon checking for python dev environment and pip installs, now visible in taskbar, dock