Solved
What has actually been changed in version 1.4.0? Certainly no RTOS support added.
Change log still stuck in 1.3.0
Cartu38 OpenDevBest answer
Graduate II
July 29, 2020
STM32CubeIDE 1.4.0 release notes are available on www.st.com: https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-ides/stm32cubeide.html#resource