If you missed this big news, STMicroelectronics acquired Atollic back in December 2017. Here is the press release blog article and FAQ-document . The

Atollic team, now as part of STMicroelectronics, is commited to continue providing excellent development tools to its huge user base of STM32 developers. TrueSTUDIO for STM32 v9.0.0 will only support STM32.

With the acquisition of Atollic STMicroelectronics increases its software tool development team with the goal to provide better development tools and a better integrated ecosystem for STM32. More tool related news will follow during 2018!