diff --git a/OnDemandUpdatePTU.pro b/OnDemandUpdatePTU.pro
index 3d0c396..3487013 100644
--- a/OnDemandUpdatePTU.pro
+++ b/OnDemandUpdatePTU.pro
@@ -54,6 +54,12 @@ DEFINES += QT_DEPRECATED_WARNINGS
 #           The device-controller firmware will be handled in a later version.
 VERSION="1.3.15"
 #           Bug fixes found during testing.
+#           Don't disable Exit-button during update-process.
+#           Removed worker-thread with an own event-loop: only the GUI thread
+#           has an event loop. Tested JSON-downloads several times successfully
+#           (using the slave lib where the CA helper tool was active as master).
+#           Turned previous worker-object into its own thread, but without any
+#           own event-loop (so it cannot block anything inside the CA-plugin).
 
 # PLANNED TODOS:
 #   1:  Das Repository wird repariert bwz. neu geklont. Unabhaengig vom WAIT.
@@ -70,8 +76,9 @@ VERSION="1.3.15"
 #       ausgefuehrt.
 #   4:  rsync: immer alle Dateien soiegeln (bis auf opkg-commands)
 #   5:  Falls das Tool mal abstuerzt, dann einen Signal-Handler (fuer TERM)
-#       installieren, sodass zumnidest SEND-LASt-VERSION mit rausgeht.
+#       installieren, sodass zumnidest SEND-LAST-VERSION mit rausgeht.
 #   6:  rsync: explizites Binary, nicht das in busybox enthaltene.
+#   7:  Ein ini-File oder sowas.
 
 win32 {
     BUILD_DATE=$$system("date /t")
@@ -143,8 +150,7 @@ SOURCES += \
         ismas/ismas_client.cpp \
         process/command.cpp \
         message_handler.cpp \
-        worker.cpp \
-        worker_thread.cpp
+        worker.cpp
 
 HEADERS += \
         update.h \
@@ -158,7 +164,6 @@ HEADERS += \
         process/command.h \
         message_handler.h \
         worker.h \
-        worker_thread.h \
         plugins/interfaces.h
 
 FORMS += \