diff --git a/app/app.pro b/app/app.pro
index 08d50e9a..b652db04 100644
--- a/app/app.pro
+++ b/app/app.pro
@@ -31,6 +31,10 @@ mfci {
   DEFINES += DO_MF_CI
 }
 
+mfrc {
+  DEFINES += DO_MF_RC
+}
+
 # Hunspell spell check:
 # - Windows and Ubuntu Xenial require DEPRECATED Hunspell API
 # - Ubuntu Bionic and newer distros use NEW Hunspell API
@@ -133,7 +137,7 @@ mfner {
 win32 {
     INCLUDEPATH += $$PWD/../deps/zlib-win/include
     DEPENDPATH += $$PWD/../deps/zlib-win/include
-    
+
     CONFIG(release, debug|release): LIBS += -L$$PWD/../deps/zlib-win/lib/ -lzlibwapi
     else:CONFIG(debug, debug|release): LIBS += -L$$PWD/../deps/zlib-win/lib/ -lzlibwapi
 } else {
diff --git a/build/Makefile b/build/Makefile
index 5136aba5..5fe13bb5 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -114,7 +114,16 @@ build-dev:
 # TODO: build-dev-clang
 
 
-build-ci: clean
+.PHONY: build-rc
+build-rc:
+	@echo "MindForger RC build..."
+	cd .. && qmake CONFIG+=mfrc -r mindforger.pro && make -j 7
+	@echo "If RC build succeeded, then MindForger executable can be found in:\n  app/mindforger"
+	ls -al ../app/mindforger
+
+
+.PHONY: build-ci
+build-ci:
 	@echo "MindForger CI build..."
 	cd .. && qmake CONFIG+=mfci -r mindforger.pro && make -j 7
 	@echo "If CI build succeeded, then MindForger executable can be found in:\n  app/mindforger"
@@ -133,6 +142,14 @@ run: ../app/mindforger
 	# cd ../app && pwd && ./mindforger /home/dvorka/mf-devel/bug-copy-image
 
 
+run-rc: build-rc
+	cd ../app && pwd && ./mindforger /home/dvorka/mf-devel/library-trainer
+
+
+run-ci: build-ci
+	cd ../app && pwd && ./mindforger /home/dvorka/mf-devel/library-trainer
+
+
 run-dev: build-dev
 	cd ../app && pwd && ./mindforger /home/dvorka/mf-devel/library-trainer
 	# cd ../app && pwd && ./mindforger /home/dvorka/mf-devel/computer-hw.md
@@ -150,7 +167,7 @@ install: clean ../app/mindforger
 	~/bin/mind --version
 
 
-install-dev-local: clean build-dev
+install-dev-local: clean build-rc
 	cp -vf ../app/mindforger ~/bin
 	mv -vf ~/bin/mindforger ~/bin/mind
 	~/bin/mind --version
diff --git a/lib/src/app_info.h b/lib/src/app_info.h
index cff0e94d..e7279bef 100644
--- a/lib/src/app_info.h
+++ b/lib/src/app_info.h
@@ -1,12 +1,12 @@
-#define MINDFORGER_VERSION_MAJOR "1"
-#define MINDFORGER_VERSION_MINOR "55"
-#define MINDFORGER_VERSION_REVISION "1"
-#define MINDFORGER_VERSION_STRING "1.55.1"
-#define MINDFORGER_VERSION_DWORD 1,55,1,2
+#define MINDFORGER_VERSION_MAJOR "2"
+#define MINDFORGER_VERSION_MINOR "0"
+#define MINDFORGER_VERSION_REVISION "0"
+#define MINDFORGER_VERSION_STRING "2.0.0"
+#define MINDFORGER_VERSION_DWORD 2,0,0,2
 #define MINDFORGER_APP_NAME   "MindForger"
 #define MINDFORGER_APP_DESCRIPTION  "MindForger Thinking Notebook"
 #define MINDFORGER_APP_AUTHOR "Martin Dvorak"
 #define MINDFORGER_APP_URL "https://www.mindforger.com"
 #define MINDFORGER_APP_COMPANY   MINDFORGER_APP_NAME
 #define MINDFORGER_APP_LEGAL "\xA9 2016-2023 Martin Dvorak. All Rights Reserved"
-#define MINDFORGER_APP_EXE "mindforger.exe" 
+#define MINDFORGER_APP_EXE "mindforger.exe"
diff --git a/lib/src/version.h b/lib/src/version.h
index 0105a777..3e1d46c5 100644
--- a/lib/src/version.h
+++ b/lib/src/version.h
@@ -28,6 +28,8 @@ namespace m8r {
 
 #ifdef DO_MF_DEBUG
   #define MINDFORGER_NIGHTLY " (" __DATE__ " " __TIME__ ")"
+#elif DO_MF_RC
+  #define MINDFORGER_NIGHTLY " (RC " __DATE__ " " __TIME__ ")"
 #elif DO_MF_CI
   #define MINDFORGER_NIGHTLY " (CI " __DATE__ " " __TIME__ ")"
 #else
diff --git a/mindforger.pro b/mindforger.pro
index 43c18934..a55fd719 100644
--- a/mindforger.pro
+++ b/mindforger.pro
@@ -30,6 +30,7 @@
 #   qmake CONFIG+=mfnoccache        ... do NOT use ccache to build the project
 #   qmake CONFIG+=mfdebug           ... show debug messages + include WIP code
 #   qmake CONFIG+=mfci              ... CI build (AppVeyor, ...) w/ build info @ window title
+#   qmake CONFIG+=mfrc              ... RC build w/ build info @ window title
 #   qmake CONFIG+=mfunits           ... option to run unit tests
 #   qmake CONFIG+=mfllamacpp        ... EXPERIMENTAL option to enable wingman @ llama.cpp
 #   qmake CONFIG+=mfner             ... DEPRECATED: build project w/ NER and link dlib/MITIE