we are happy to announce the 18th official release of RIOT:
----------------------- * RIOT 2019.01 * -----------------------
The 2019.01 release includes a number of new features including DMA support on all STM32 boards, WiFi with IP connectivity on ESP32 and ESP8266, and riotboot, a simple bootloader supporting multiple firmware slots, compatible with most Arm Cortex-M boards supported by RIOT. Support for several new boards and new sensors was added, as well as for the new CPU architecture Armv8-M (Cortex-M23). Last but not least, this release contains a number of bug fixes and enhances test automation.
About 387 pull requests with about 912 commits have been merged since the last release and about 36 issues have been solved. 54 people contributed with code in 110 days. Approximately 1554 files have been touched with 176241 insertions and 50593 deletions.
You can download the RIOT release from Github by cloning the repository and checkout the release tag  or by downloading the tarball , and look up the release notes for further details .
A big thank you to everybody who contributed!
Best regards, Alex & Emmanuel