Update MuJoCo version to 3.9.0 following the 3.8.1 release

PiperOrigin-RevId: 913596257
Change-Id: Ib8b27fd2224e38560a209054c1d508a9bba21bbf

python/mujoco/CMakeLists.txt

@@ -86,7 +86,7 @@ if(NOT TARGET mujoco)
     if(MUJOCO_FRAMEWORK)
       message("MuJoCo framework is at ${MUJOCO_FRAMEWORK}/mujoco.framework")
       set(MUJOCO_LIBRARY
-          ${MUJOCO_FRAMEWORK}/mujoco.framework/Versions/A/libmujoco.3.8.1.dylib
+          ${MUJOCO_FRAMEWORK}/mujoco.framework/Versions/A/libmujoco.3.9.0.dylib
       )
       target_compile_options(mujoco INTERFACE -F${MUJOCO_FRAMEWORK})
     endif()
@@ -94,7 +94,7 @@ if(NOT TARGET mujoco)
 
   if(NOT MUJOCO_FRAMEWORK)
     find_library(
-      MUJOCO_LIBRARY mujoco mujoco.3.8.1 HINTS ${MUJOCO_LIBRARY_DIR} REQUIRED
+      MUJOCO_LIBRARY mujoco mujoco.3.9.0 HINTS ${MUJOCO_LIBRARY_DIR} REQUIRED
     )
     find_path(MUJOCO_INCLUDE mujoco/mujoco.h HINTS ${MUJOCO_INCLUDE_DIR} REQUIRED)
     message("MuJoCo is at ${MUJOCO_LIBRARY}")

python/mujoco/mjpython/Info.plist

@@ -7,13 +7,13 @@
     <key>CFBundleIdentifier</key>
     <string>org.mujoco.mjpython</string>
     <key>CFBundleVersion</key>
-    <string>3.8.1</string>
+    <string>3.9.0</string>
     <key>CFBundleGetInfoString</key>
-    <string>3.8.1</string>
+    <string>3.9.0</string>
     <key>CFBundleLongVersionString</key>
-    <string>3.8.1</string>
+    <string>3.9.0</string>
     <key>CFBundleShortVersionString</key>
-    <string>3.8.1</string>
+    <string>3.9.0</string>
     <key>CFBundleExecutable</key>
     <string>mjpython</string>
     <key>CFBundleIconFile</key>

python/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "mujoco"
-version = "3.8.1"
+version = "3.9.0"
 authors = [
     {name = "Google DeepMind", email = "mujoco@deepmind.com"},
 ]
@@ -35,9 +35,9 @@ dynamic = ["readme", "scripts"]
 
 [project.urls]
 Homepage = "https://github.com/google-deepmind/mujoco"
-Documentation = "https://mujoco.readthedocs.io/en/3.8.1"
+Documentation = "https://mujoco.readthedocs.io/en/3.9.0"
 Repository = "https://github.com/google-deepmind/mujoco"
-Changelog = "https://mujoco.readthedocs.io/en/3.8.1/changelog.html"
+Changelog = "https://mujoco.readthedocs.io/en/3.9.0/changelog.html"
 
 [tool.setuptools]
 include-package-data = false