diff --git a/CHANGELOG.md b/CHANGELOG.md
index c723d1f..5108918 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,15 @@ Sections:
 
 ---
 
+## [0.5.8] - 2026-01-17
+
+### Changed
+- Mobile UI layout stabilized to prevent horizontal shifting.
+- README rendering no longer expands the page width on mobile devices.
+- Tables and code blocks inside README now scroll within their container.
+- Floating action buttons removed to avoid UI overlap on small screens.
+- Header icon buttons improved for better visibility in light and dark mode.
+
 ## [0.5.7] - 2026-01-17
 
 ### Changed