diff --git a/3rdparty/Quazip b/3rdparty/Quazip
index 39b4a19..0b4d47d 160000
--- a/3rdparty/Quazip
+++ b/3rdparty/Quazip
@@ -1 +1 @@
-Subproject commit 39b4a19c88da85cf408171fb0b82ded41122aa2e
+Subproject commit 0b4d47d346202f80b772c4a4b60b5d6f88220554
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d1a5c1b..876188d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 2.8.11)
 project(DbSoftware)
 
-set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
@@ -16,17 +16,7 @@ add_definitions(-DQT_DEPRECATED_WARNINGS)
 add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x060000)
 add_definitions(-DQT_MESSAGELOGCONTEXT)
 
-find_package(Qt5Core CONFIG REQUIRED)
-find_package(Qt5Gui CONFIG REQUIRED)
-find_package(Qt5Widgets CONFIG REQUIRED)
-find_package(Qt5Network CONFIG REQUIRED)
-find_package(Qt5Sql CONFIG REQUIRED)
-find_package(Qt5SerialPort CONFIG REQUIRED)
-find_package(Qt5Multimedia CONFIG REQUIRED)
-find_package(Qt5Test CONFIG REQUIRED)
-find_package(Qt5UiTools CONFIG REQUIRED)
-find_package(Qt5LinguistTools CONFIG REQUIRED)
-
+# "backported" newer cmake feature: list(TRANSFORM xxx PREPEND xxx)
 FUNCTION(PREPEND var prefix)
    SET(listVar "")
    FOREACH(f ${ARGN})
@@ -57,32 +47,4 @@ optional_add_subdirectory(DbWebserver)
 optional_add_subdirectory(DbZeiterfassung)
 add_subdirectory(libs)
 
-set(QT_TRANSLATIONS
-    qt_en.qm
-    qtbase_en.qm
-    qtmultimedia_en.qm
-    qtquick1_en.qm
-    qtscript_en.qm
-    qtxmlpatterns_en.qm
-    qt_de.qm
-    qtbase_de.qm
-    qtmultimedia_de.qm
-    qtquick1_de.qm
-    qtscript_de.qm
-    qtxmlpatterns_de.qm
-)
-
-get_target_property(QT_QMAKE_EXECUTABLE Qt5::qmake IMPORTED_LOCATION)
-
-execute_process(COMMAND ${QT_QMAKE_EXECUTABLE} -query QT_INSTALL_TRANSLATIONS
-                OUTPUT_VARIABLE QT_INSTALL_TRANSLATIONS
-                OUTPUT_STRIP_TRAILING_WHITESPACE
-)
-
-PREPEND(QT_TRANSLATIONS ${QT_INSTALL_TRANSLATIONS}/ ${QT_TRANSLATIONS})
-
-#list(TRANSFORM QT_TRANSLATIONS
-#     PREPEND ${QT_INSTALL_TRANSLATIONS}/)
-
-file(COPY ${QT_TRANSLATIONS}
-     DESTINATION ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/translations)
+include(${CMAKE_CURRENT_SOURCE_DIR}/translationhelper.cmake)
diff --git a/DbDatabaseTree b/DbDatabaseTree
index ca75e3c..9e85379 160000
--- a/DbDatabaseTree
+++ b/DbDatabaseTree
@@ -1 +1 @@
-Subproject commit ca75e3c439a8b431caaa5e32b903068a8ae83d39
+Subproject commit 9e8537969a713bed28e7d9d4586de6195168c5cd
diff --git a/DbHashCracker b/DbHashCracker
index 1fe1f20..2e3951b 160000
--- a/DbHashCracker
+++ b/DbHashCracker
@@ -1 +1 @@
-Subproject commit 1fe1f20bda8347db77873225b6842f7539cb69ff
+Subproject commit 2e3951b82e924310c32a2c9095022210e1bc1fc0
diff --git a/DbMessaging b/DbMessaging
index 1d28d78..1485fa7 160000
--- a/DbMessaging
+++ b/DbMessaging
@@ -1 +1 @@
-Subproject commit 1d28d78833eca0dfbdecae35618c52d77b4f4ee0
+Subproject commit 1485fa7a4f43461c322eebc89e11749c5cdd7a8e
diff --git a/DbNeuralNet b/DbNeuralNet
index 6013d9a..ac67fbc 160000
--- a/DbNeuralNet
+++ b/DbNeuralNet
@@ -1 +1 @@
-Subproject commit 6013d9a50cd1a4da7660fd77c2e3a860f4bef879
+Subproject commit ac67fbcf77a1952ae6974b0806453de19061c9af
diff --git a/DbPathFinder b/DbPathFinder
index ca60392..9236d74 160000
--- a/DbPathFinder
+++ b/DbPathFinder
@@ -1 +1 @@
-Subproject commit ca6039206d9596c37037f5192d3f6190fc41fdbb
+Subproject commit 9236d74846af00451d2f3b5acb2e13078c43ce8a
diff --git a/DbPicSync b/DbPicSync
index 73ff038..e00dfd4 160000
--- a/DbPicSync
+++ b/DbPicSync
@@ -1 +1 @@
-Subproject commit 73ff038e2c7b30ba16ae5350690acc67ed960670
+Subproject commit e00dfd4cabbf922ba835a9175ea6b743c44117fa
diff --git a/DbRadioDumper b/DbRadioDumper
index ab89ba1..b3651f4 160000
--- a/DbRadioDumper
+++ b/DbRadioDumper
@@ -1 +1 @@
-Subproject commit ab89ba131dc1126889f6ad461858f51fe9fab283
+Subproject commit b3651f491a1d04f7016d76d8189f4b2f35f43797
diff --git a/DbSerialServer b/DbSerialServer
index d558814..58853bd 160000
--- a/DbSerialServer
+++ b/DbSerialServer
@@ -1 +1 @@
-Subproject commit d5588147a13f39fc713e45cb04b22b3e0311cb2a
+Subproject commit 58853bd331f3b877d32b057b500756911d6dac8d
diff --git a/DbSketch b/DbSketch
index 4e99ba3..72348a7 160000
--- a/DbSketch
+++ b/DbSketch
@@ -1 +1 @@
-Subproject commit 4e99ba3a05cb7c301e60e82696340edb83583511
+Subproject commit 72348a77eced3cf3b00c65bb9c2c8c4b80984548
diff --git a/DbTernaryClock b/DbTernaryClock
index d4ad225..729b5e3 160000
--- a/DbTernaryClock
+++ b/DbTernaryClock
@@ -1 +1 @@
-Subproject commit d4ad225d33d5455b692f7c55c893dfea551930e5
+Subproject commit 729b5e3606b7a93e6c79f59ac4bcaf5e84196dbb
diff --git a/DbTictactoe b/DbTictactoe
index 2d12fa3..9e10794 160000
--- a/DbTictactoe
+++ b/DbTictactoe
@@ -1 +1 @@
-Subproject commit 2d12fa3d6d3fc0054ccae6a25859373f2c9c7f1e
+Subproject commit 9e10794faf6ca53783e78a8995e4eb733436f094
diff --git a/translationhelper.cmake b/translationhelper.cmake
new file mode 100644
index 0000000..3114db9
--- /dev/null
+++ b/translationhelper.cmake
@@ -0,0 +1,31 @@
+find_package(Qt5Core CONFIG REQUIRED)
+
+set(QT_TRANSLATIONS
+    qt_en.qm
+    qtbase_en.qm
+    qtmultimedia_en.qm
+    qtquick1_en.qm
+    qtscript_en.qm
+    qtxmlpatterns_en.qm
+    qt_de.qm
+    qtbase_de.qm
+    qtmultimedia_de.qm
+    qtquick1_de.qm
+    qtscript_de.qm
+    qtxmlpatterns_de.qm
+)
+
+get_target_property(QT_QMAKE_EXECUTABLE Qt5::qmake IMPORTED_LOCATION)
+
+execute_process(COMMAND ${QT_QMAKE_EXECUTABLE} -query QT_INSTALL_TRANSLATIONS
+                OUTPUT_VARIABLE QT_INSTALL_TRANSLATIONS
+                OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+
+PREPEND(QT_TRANSLATIONS ${QT_INSTALL_TRANSLATIONS}/ ${QT_TRANSLATIONS})
+
+#list(TRANSFORM QT_TRANSLATIONS
+#     PREPEND ${QT_INSTALL_TRANSLATIONS}/)
+
+file(COPY ${QT_TRANSLATIONS}
+     DESTINATION ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/translations)