remove PROJECT_VER. The compiler then automatically uses git to fetch the information, eg. "v11.3.0-12-g46dfc75-dirty"

code/CMakeLists.txt

@@ -2,8 +2,6 @@ cmake_minimum_required(VERSION 3.13.4)
 
 list(APPEND EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_examples_common)
 
-set(PROJECT_VER "0.0.9.3")
-
 ADD_CUSTOM_COMMAND(
     OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/version.cpp
            ${CMAKE_CURRENT_BINARY_DIR}/_version.cpp