diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ea43ac..92ac9fa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,10 @@
 ## 2.3.0
-+ Added ***project user config***! Read more in `./project.config.user.default`
++ **CONFIG:** Added new file `./project.config.user.default`.
++ **CONFIG:** Changed `cbuild/default_tasks` to `@cbuild/default_tasks`.
++ **CONFIG:** Updated `gprof` task. 
 + Changed `include` function: replaced prefix `cbuild/` with `@cbuild/`.
-+ **CONFIG:** Changed `cbuild/default_tasks` to `@cbuild/default_tasks`
-+ Moved most scripts to `include/`
-+ Renamed default config to `./project.config.default`
++ Moved most scripts to `include/`.
++ Renamed default config to `./project.config.default`.
 + Added functions:
     + `file_copy_default_if_not_present()`
     + `replace_var_value_in_script()`
diff --git a/project.config.default b/project.config.default
index b448d7f..b10a9d0 100644
--- a/project.config.default
+++ b/project.config.default
@@ -148,8 +148,11 @@ case "$TASK" in
     # requires graphviz (https://www.graphviz.org/download/source/)
     gprof)
         OUTDIR="$OUTDIR/gprof"
-        # -pg adds code to executable, that generates file containing function call info (gmon.out)
-        C_ARGS="-O2 -flto=auto -fuse-linker-plugin -pg"
+        # arguments that emit some call counter code and disable optimizations to see function names
+        # https://github.com/msys2/MINGW-packages/issues/8503#issuecomment-1365475205
+        C_ARGS="-O0 -g -pg -no-pie -fno-omit-frame-pointer
+            -fno-inline-functions -fno-inline-functions-called-once 
+            -fno-optimize-sibling-calls -fopenmp"
         CPP_ARGS="$C_ARGS"
         LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
         PRE_TASK_SCRIPT="@cbuild/default_tasks/build_exec.sh"