[riot-devel] Release 2019.04

Dear RIOTers, we are happy to announce the 19th official release of RIOT: ----------------------- * RIOT 2019.04 * ----------------------- The 2019.04 release includes a number of new features including porting of riotboot to a number of new platforms, 802.15.4 support on the nRF52, and the ability for firmware to flash images into a separate boot slot. Support for several new boards and new sensors was added. Additionally, this release contains a number of bug fixes and test improvements. About 320 pull requests with about 569 commits have been merged since the last release and about 40 issues have been solved. 44 people contributed with code in 88 days. Approximately 825 files have been touched with 32716 insertions and 5149 deletions. You can download the RIOT release from Github by cloning the repository and checkout the release tag [1] or by downloading the tarball [2], and look up the release notes for further details [3]. A big thank you to everybody who contributed! Best regards, Dan [1]:https://github.com/RIOT-OS/RIOT/tree/2019.04 [2]:https://github.com/RIOT-OS/RIOT/archive/2019.04.tar.gz [3]:https://github.com/RIOT-OS/RIOT/releases/tag/2019.04