diff --git a/.ci/ci_build.sh b/.ci/ci_build.sh
index f621bf4ba..2b7974fbd 100755
--- a/.ci/ci_build.sh
+++ b/.ci/ci_build.sh
@@ -108,6 +108,7 @@ elif [[ "$CI_NAME" == 'linux' ]]; then
 		make -j $(nproc) package || exit 3 &&
 		cp /hyperhdr/build/bin/h* /deploy/ 2>/dev/null || : &&
 		cp /hyperhdr/build/Hyper* /deploy/ 2>/dev/null || : &&
+		ccache -s &&
 		exit 0;
 		exit 1 " || { echo "---> HyperHDR compilation failed! Abort"; exit 5; }
 		ls -a .ccache
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 596237bdf..cf479e6c1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,13 +17,36 @@ set(CMAKE_AUTORCC ON)
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
+# Set build variables
+SET ( DEFAULT_PROTOBUF                    ON  )
+SET ( DEFAULT_BOBLIGHT                    ON  )
+SET ( DEFAULT_WS281XPWM                   OFF )
+SET ( DEFAULT_USE_SYSTEM_FLATBUFFERS_LIBS OFF )
+SET ( DEFAULT_USE_SYSTEM_MBEDTLS_LIBS     OFF )
+SET ( DEFAULT_MF                          OFF )
+SET ( DEFAULT_DX                          OFF )
+SET ( DEFAULT_AVF                         OFF )
+SET ( DEFAULT_MAC_SYSTEM                  OFF )
+SET ( DEFAULT_V4L2                        OFF )
+SET ( DEFAULT_X11                         OFF )
+SET ( DEFAULT_PIPEWIRE                    OFF )
+SET ( DEFAULT_FRAMEBUFFER                 OFF )
+SET ( DEFAULT_SOUNDCAPWINDOWS             OFF )
+SET ( DEFAULT_SOUNDCAPMACOS               OFF )
+SET ( DEFAULT_CEC                         OFF )
+SET ( DEFAULT_BONJOUR                     ON  )
+SET ( DEFAULT_MQTT                        ON  )
+SET ( DEFAULT_STATIC_QT_PLUGINS           OFF )
+SET ( DEFAULT_PRECOMPILED_HEADERS         ON  )
+
 # Configure CCache if available
 find_program(CCACHE_FOUND ccache)
 if ( CCACHE_FOUND )
 	if (DEFINED ENV{CCACHE_DIR})
-		message ( STATUS "Found CCache and its env settings: $ENV{CCACHE_DIR}. Will try to use it." )
+		message ( STATUS "Found CCache and its env settings: $ENV{CCACHE_DIR}. Will try to use it. Disabling precompiled headers." )
 		set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
 		set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
+		SET ( DEFAULT_PRECOMPILED_HEADERS OFF )
 	else()
 		message ( WARNING "Found CCache but env settings: CCACHE_DIR is not set. Skipping." )
 	endif()
@@ -52,30 +75,6 @@ ELSE()
 	SET( Qt_VERSION 5 )	
 ENDIF()
 
-
-# Set build variables
-SET ( DO_NOT_USE_QT_VERSION_6_LIBS        OFF )
-SET ( USE_PRECOMPILED_HEADERS             ON  )
-SET ( DEFAULT_PROTOBUF                    ON  )
-SET ( DEFAULT_BOBLIGHT                    ON  )
-SET ( DEFAULT_WS281XPWM                   OFF )
-SET ( DEFAULT_USE_SYSTEM_FLATBUFFERS_LIBS OFF )
-SET ( DEFAULT_USE_SYSTEM_MBEDTLS_LIBS     OFF )
-SET ( DEFAULT_MF                          OFF )
-SET ( DEFAULT_DX                          OFF )
-SET ( DEFAULT_AVF                         OFF )
-SET ( DEFAULT_MAC_SYSTEM                  OFF )
-SET ( DEFAULT_V4L2                        OFF )
-SET ( DEFAULT_X11                         OFF )
-SET ( DEFAULT_PIPEWIRE                    OFF )
-SET ( DEFAULT_FRAMEBUFFER                 OFF )
-SET ( DEFAULT_SOUNDCAPWINDOWS             OFF )
-SET ( DEFAULT_SOUNDCAPMACOS               OFF )
-SET ( DEFAULT_CEC                         OFF )
-SET ( DEFAULT_BONJOUR                     ON  )
-SET ( DEFAULT_MQTT                        ON  )
-SET ( DEFAULT_STATIC_QT_PLUGINS           OFF )
-
 IF ( ${CMAKE_SYSTEM} MATCHES "Linux" )	
 	SET ( DEFAULT_SOUNDCAPLINUX ON )
 	SET ( DEFAULT_V4L2          ON )
@@ -150,9 +149,9 @@ if ( "${PLATFORM}" MATCHES "osx" )
 		list(APPEND CMAKE_PREFIX_PATH "/usr/local/opt/qt5")
 	endif()
 	
-	SET ( DEFAULT_AVF             ON  )
-	SET ( DEFAULT_MAC_SYSTEM      ON  )
-	SET ( USE_PRECOMPILED_HEADERS OFF )
+	SET ( DEFAULT_AVF                 ON  )
+	SET ( DEFAULT_MAC_SYSTEM          ON  )
+	SET ( DEFAULT_PRECOMPILED_HEADERS OFF )
 elseif ( "${PLATFORM}" MATCHES "rpi" )	
 	SET ( DEFAULT_WS281XPWM  ON )
 	SET ( DEFAULT_CEC        ON )
@@ -359,6 +358,9 @@ message(STATUS "ENABLE_MQTT = ${ENABLE_MQTT}")
 option(USE_STATIC_QT_PLUGINS "Enable static QT plugins" ${DEFAULT_STATIC_QT_PLUGINS})
 message(STATUS "USE_STATIC_QT_PLUGINS = ${USE_STATIC_QT_PLUGINS}")
 
+option(USE_PRECOMPILED_HEADERS "Enable precompiled headers (PCH)" ${DEFAULT_PRECOMPILED_HEADERS})
+message(STATUS "USE_PRECOMPILED_HEADERS = ${USE_PRECOMPILED_HEADERS}")
+
 SET ( FLATBUFFERS_INSTALL_BIN_DIR ${CMAKE_BINARY_DIR}/flatbuf )
 SET ( FLATBUFFERS_INSTALL_LIB_DIR ${CMAKE_BINARY_DIR}/flatbuf )
 
diff --git a/cmake/packages.cmake b/cmake/packages.cmake
index c81848779..72a4e48ea 100644
--- a/cmake/packages.cmake
+++ b/cmake/packages.cmake
@@ -69,7 +69,7 @@ if ( ENABLE_CEC )
 endif()
 SET ( CPACK_DEBIAN_PACKAGE_SUGGESTS "libx11-6" )
 SET ( CPACK_DEBIAN_PACKAGE_SECTION "Miscellaneous" )
-SET ( CPACK_DEBIAN_COMPRESSION_TYPE "xz" )
+SET ( CPACK_DEBIAN_COMPRESSION_TYPE "gzip" )
 
 # .rpm for rpm
 # https://cmake.org/cmake/help/v3.5/module/CPackRPM.html
diff --git a/sources/leddevice/dev_net/LedDevicePhilipsHue.cpp b/sources/leddevice/dev_net/LedDevicePhilipsHue.cpp
index 8e7239c5a..bf3584f8f 100644
--- a/sources/leddevice/dev_net/LedDevicePhilipsHue.cpp
+++ b/sources/leddevice/dev_net/LedDevicePhilipsHue.cpp
@@ -10,6 +10,7 @@
 
 #include <QDateTime>
 #include <chrono>
+#include <cmath>
 
 // Constants
 namespace {