diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index e1bd371..2e5c765 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -13,6 +13,9 @@ build:
     # nodejs: "20"
     # rust: "1.70"
     # golang: "1.20"
+  apt_packages:
+    - graphviz
+    - openjdk-11-jre
 
 # Build documentation in the "docs/" directory with Sphinx
 sphinx:
diff --git a/doc/Doxyfile b/doc/Doxyfile
index 6bdb864..5e4fc41 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -2072,7 +2072,7 @@ PERLMOD_MAKEVAR_PREFIX =
 # C-preprocessor directives found in the sources and include files.
 # The default value is: YES.
 
-ENABLE_PREPROCESSING   = YES
+ENABLE_PREPROCESSING   = NO
 
 # If the MACRO_EXPANSION tag is set to YES, doxygen will expand all macro names
 # in the source code. If set to NO, only conditional compilation will be
diff --git a/doc/conf.py b/doc/conf.py
index fc7f2e7..b49555f 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -26,7 +26,7 @@ import subprocess, os
 read_the_docs_build = os.environ.get('READTHEDOCS', None) == 'True'
 
 if read_the_docs_build:
-	subprocess.call('wget -O plantuml.jar https://github.com/plantuml/plantuml/releases/download/v1.2023.10/plantuml-1.2023.10.jar', shell=True)
+	subprocess.call('wget -O plantuml.jar https://github.com/plantuml/plantuml/releases/download/v1.2024.6/plantuml.jar', shell=True)
 
 subprocess.call('doxygen', shell=True)
 subprocess.call('mv ./doxyoutput/html/index.html ./doxyoutput/html/index_doxygen.html', shell=True)
@@ -475,4 +475,4 @@ epub_exclude_files = ['search.html']
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/': None}
+# intersphinx_mapping = {'https://docs.python.org/': None}
diff --git a/doc/requirements.txt b/doc/requirements.txt
index 71289f8..7799087 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,3 +1,4 @@
 exhale
 breathe
-sphinx>=2.1.2
\ No newline at end of file
+sphinx>=2.1.2
+sphinx-rtd-theme
diff --git a/src/knx.h b/src/knx.h
index 003555f..6be29da 100644
--- a/src/knx.h
+++ b/src/knx.h
@@ -3,14 +3,9 @@
  * This diagramm shows the most important classes of a normal KNX device.
 
 @startuml
-
 skinparam monochrome true
 skinparam componentStyle uml2
 
-note top of knx
-  Class diagram for a
-  <b><color:royalBlue>normal KNX device</color>
-end note
 package "knx" {
 class BusAccessUnit [[class_bus_access_unit.html]]
 class DeviceObject [[class_device_object.html]]
@@ -133,7 +128,12 @@ class Stm32Platform [[class_stm32_platform.html]]
 ArduinoPlatform<|--Stm32Platform
 class LinuxPlatform [[class_linux_platform.html]]
 LinuxPlatform--|>Platform
+class CC1310Platform [[class_cc1310_platform.html]]
+CC1310Platform--|>Platform
+class RP2040ArduinoPlatform [[class_rp2040_arduino_platform.html]]
+RP2040ArduinoPlatform--|>ArduinoPlatform
 }
+
 package frontend
 {
 class KnxFacade [[class_knx_facade.html]]
@@ -149,10 +149,6 @@ knx-->Platform
 skinparam monochrome true
 skinparam componentStyle uml2
 
-note top of knx
-  Class diagram for a
-  <b><color:royalBlue>KNX coupler</color>
-end note
 package "knx" {
 class BusAccessUnit [[class_bus_access_unit.html]]
 class DeviceObject [[class_device_object.html]]
@@ -234,7 +230,12 @@ class Stm32Platform [[class_stm32_platform.html]]
 ArduinoPlatform<|--Stm32Platform
 class LinuxPlatform [[class_linux_platform.html]]
 LinuxPlatform--|>Platform
+class CC1310Platform [[class_cc1310_platform.html]]
+CC1310Platform--|>Platform
+class RP2040ArduinoPlatform [[class_rp2040_arduino_platform.html]]
+RP2040ArduinoPlatform--|>ArduinoPlatform
 }
+
 package frontend
 {
 class KnxFacade [[class_knx_facade.html]]