v4.0.0b9

Author: laurensvalk

CHANGELOG.md

@@ -4,6 +4,8 @@
 
 ## [Unreleased]
 
+## [4.0.0b9] - 2026-04-16
+
 ### Added
 - Added `Port View` on EV3 apps tab.
 
@@ -1334,7 +1336,8 @@ Prerelease changes are documented at [support#48].
 
 
 <!-- diff links for headers -->
-[Unreleased]: https://github.com/pybricks/pybricks-micropython/compare/v4.0.0b8...HEAD
+[Unreleased]: https://github.com/pybricks/pybricks-micropython/compare/v4.0.0b9...HEAD
+[4.0.0b9]: https://github.com/pybricks/pybricks-micropython/compare/v4.0.0b8...v4.0.0b9
 [4.0.0b8]: https://github.com/pybricks/pybricks-micropython/compare/v4.0.0b7...v4.0.0b8
 [4.0.0b7]: https://github.com/pybricks/pybricks-micropython/compare/v4.0.0b6...v4.0.0b7
 [4.0.0b6]: https://github.com/pybricks/pybricks-micropython/compare/v4.0.0b5...v4.0.0b6

lib/pbio/include/pbio/version.h

@@ -26,7 +26,7 @@
 #define PBIO_VERSION_LEVEL_HEX 0xB
 
 /** The current prerelease serial. */
-#define PBIO_VERSION_SERIAL 8
+#define PBIO_VERSION_SERIAL 9
 
 /**
  * The current prerelease level as a string.