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release-notes.txt: Add Release 2018.07 notes
This release-notes where contributed by the following github users: * aabadie * bergzand * cladmi * gebart * miri64 * PeterKietzmann
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Gaëtan Harter
cladmi
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RIOT-2018.07 - Release Notes
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============================
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RIOT is a multi-threading operating system which enables soft real-time
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capabilities and comes with support for a range of devices that are typically
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found in the Internet of Things: 8-bit and 16-bit microcontrollers as well as
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light-weight 32-bit processors.
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RIOT is based on the following design principles: energy-efficiency, soft
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real-time capabilities, small memory footprint, modularity, and uniform API
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access, independent of the underlying hardware (with partial POSIX compliance).
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RIOT is developed by an international open-source community which is
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independent of specific vendors (e.g. similarly to the Linux community) and is
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licensed with a non-viral copyleft license (LGPLv2.1), which allows indirect
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business models around the free open-source software platform provided by RIOT.
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About this release:
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===================
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The 2018.07 release includes new features, like NimBLE (ble stack),
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a MQTT-SN client, SHA-1 based PRNG, an UUID implementation. The RISC-V CPU
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architecture support used by the hifive1 board.
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Effort was done on refactoring, documentation, test improvements and bug fixes.
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During the last release, maintainers contributed by running the automated test
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suites on their boards. This gave valuable feedback on the board support state,
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test reliability and where to focus effort to make testing easier and more
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reliable.
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About 380 pull requests with about 675 commits have been merged since the last
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release and about 27 issues have been solved. 45 people contributed with code
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in 93 days. Approximately 1678 files have been touched with 147122 insertions
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and 16060 deletions.
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Notations used below:
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=====================
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+ means new feature/item
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* means modified feature/item
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- means removed feature/item
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New features and changes
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========================
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Community
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---------
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+ Maintainers guidelines have been written and added to the repository
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Documentation
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-------------
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+ Fix undefined doxygen groups and add a dedicated static check
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+ Extend `auto_init` documentation
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Core
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----
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+ core: clist_foreach() now returns break-causing node
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System libraries
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----------------
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+ puf_sram: SRAM PUF feature to seed PRNGs cortex-m platforms
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+ random: SHA-1 based PRNG
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+ matstat: Integer mathematical statistics library
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+ UUID: [RFC4122](https://tools.ietf.org/html/rfc4122) Unique ID library
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* analog_util: Refactor, add unit test
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- cbor: Deprecation of this module, use cn-cbor or tinycbor package
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instead
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Networking
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----------
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+ asymcute: an asynchronous MQTT-SN client
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+ gnrc_ipv6: full duplicate address detection support according to
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[RFC4862](https://tools.ietf.org/html/rfc4862)
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+ gnrc_ipv6: support to handle RDNSS option in neighbor discovery
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+ netif.h: a network-stack agnostic API to network interfaces
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+ lorawan: add example application of autonomous class A device
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* sock_udp: allocate ephemeral port on sock creation when port is 0
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* gnrc_netif: Enable RX and TX complete events after netdev initialization
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* net/gcoap: Refine Observe re-registration
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* net/nanocoap: Build message with coap_pkt_t
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Packages
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--------
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+ NimBLE: Bluetooth Low Energy stack used in mynewt
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+ TLSF: re-enable original API to have different pools
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+ LUA: Add an example with the shell
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+ semtech-loramac: add support for link_check MAC command
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* libcose: Use RIOT random_bytes instead of randombytes
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* tweetnacl: Use RIOT random_bytes instead of randombytes
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* hacl: Use RIOT random_bytes instead of randombytes
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Boards
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------
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+ Nucleo boards use their marketing names
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+ HiFive1 (RISC-V)
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+ slstk3402a
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+ stm32f429i-disc1
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+ stm32l476-disco
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+ nucleo-l496zg
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+ stm32mindev
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+ frdm-k22f, frdm-k64f, frdm-kw41z: Add bus configuration for onboard FXOS8700CQ sensor
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* mulle: Fix mixed up RX TX pins on UART0
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CPU
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---
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+ E310 (RISC-V)
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* kinetis: GPIO: Enable the correct IRQn on CM0+
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* kinetis: Refactor PIT timer driver implementation
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* kinetis: Refactor RTT driver
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* kinetis: Refactor clock initialization code
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* kinetis: Refactor LPTMR timer implementation
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* kinetis: Clean up SPI module power handling
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* kinetis: Conditionally enable MCG
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Device Drivers
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--------------
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+ periph_eeprom API with support for STM32 L0/L1 and AVR
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+ AT commands parser
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+ Fix periph_flashpage for iotlab-a8-m3/iotlab-m3/fox boards
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+ IO1 Xplained extension: add support for light sensor and SD card, fix
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GPIOs initialization and SAUL support
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+ tests/bench_timers: A comprehensive benchmark for periph_timer
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Build System / Tooling
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----------------------
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+ Correctly set the RIOT_VERSION on release archives
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+ iotlab-m3/iotlab-a8-m3: fix boards flashing
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+ Fix use of non completely initialized BASELIBS variable
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+ newlib.mk: extract gcc include search directories for newlib-nano support
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+ llvm: many compatibilities issues have been resolved
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* testbed-support: use new iot-lab command names
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Testing
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-------
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+ Address some of the failing tests
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+ New tests enabled by default in CI
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+ Improve testing automation for release testing
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Known Issues
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============
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Networking related issues
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-------------------------
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#4527: gnrc_ipv6: Multicast is not forwarded if routing node listens to the
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address
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#5016: gnrc_rpl: Rejoining RPL instance as root after reboot messes up rooting
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#5051: Forwarding a packet back to its link layer source should not be allowed
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#5230: gnrc_ipv6: multicast packes are not dispatched to the upper layers
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#5748: gnrc: nodes crashing with too small packet buffer
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#6123: gnrc: crash with (excessive) traffic in native
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#7474: 6lo: gnrc fragmentation expects driver to block on TX
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#7737: pkg: libcoap is partially broken and outdated
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#8086: gnrc_rpl_p2p: not compiling
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#8130: gcoap: can't build witth network stacks other than gnrc
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#8172: gnrc_netif, gnrc_uhcpc: Replacing prefix on border router results in no
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configured prefix
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#8271: app/netdev: application stops working after receiving frames with
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assertion or completely without error
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#9616: at86rf2xx: can not correctly set channel after `NETOPT_STATE_RESET`
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#9656: gnrc/netif: various problems after resetting interface a second time
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#9573: pkg/lwip: assert on samr21-xpro
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#9584: drivers/cc2420: add netopt NETOPT_MAX_PACKET_SIZE
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Timer related issues
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--------------------
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#5103: xtimer: weird behavior of tests/xtimer_drift
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#5338: xtimer: xtimer_now() is not ISR safe
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#6052: tests: xtimer_drift_gets_stuck
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#7114: xtimer: adds items to the wrong list if the timer overflows between
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_xtimer_now() and irq_disable()
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#7347: xtimer_usleep stuck for small values
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#8251: telosb: timer config wrong when running o a tmote sky
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#9052: misc issues with tests/trickle
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Native related issues
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---------------------
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#495: native not float safe
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#5796 native: tlsf: early malloc will lead to a crash
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#6442: cpu/native: timer interrupt issue
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#7206: native: race-condition in IPC
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Other platforms related issues
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------------------------------
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#4512: pkg: tests: RELIC unittests fail on iotlab-m3
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#4612: pkg: TLSF does not build for 16 bit platforms
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#4872: at86rf2xx: Simultaneous use of different transceiver types is not
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supported
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#4954: chronos: compiling with -O0 breaks
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#4866: periph: GPIO drivers are not thread tafe
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#5009: RIOT is saw-toothing in energy consumption (even when idling)
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#5128: some use of asm keyword might be missing volatile
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#5486: at86rf2xx: lost interrupts
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#5774: cpu: cortexm_common: context switching code breaks when compiling with
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LTO
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#5848: arduino: Race condition in sys/arduino/Makefile.include
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#6018: nRF52: gnrc 6lowpan ble memory leak
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#6437: periph/spi: Leftovers from SPI rework in #4780
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#6567: periph/spi: Switching between CPOL=0,1 problems on Kinetis with software
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CS
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#6650: GPIO Port shift in cc2538 is unconsistent
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#6838: Issuing a reboot on ATmega328p makes the board loop-reboot
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#6874: SAMD21: possible CMSIS bug
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#7020: isr_rfcoreerrors while pinging between CC2538DKs
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#7667: sam0 flashpage_write issues
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#7846: stm32f1: I2C read functions return bogus values with unconnected devices
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#8028: diskio: failed assertion in send_cmd() on lpc2387
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#8045: stm32/periph/uart: extra byte transmitted on first transmission
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#8436: Kinetis PhyNode: failed to flash binary > 256K
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#8444: tests/thread_priority_inversion hangup
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#9616: ATmega platform issues.
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Other issues
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------------
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#1263: sys: the TLSF implementation contains (a) read-before-write error(s)
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#4053: macros: RIOT_FILE_RELATIVE printing wrong file name for headers
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#4488: making the newlib thread-safe
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#5561: C++11 extensions in header files
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#5776: make: Predefining CFLAGS are parsed weirdly
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#5863: OSX+SAMR21-xpro: shell cannot handle command inputs larger than 64 chars
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#6120: Windows AVR Mega development makefile Error
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#7220: sys/fmt: Missing tests for fmt_float,fmt_lpad
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#7877: SPI connection can't read 16bit size register
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#8107: crypto/ccm: bugs in the implementation of CCM mode
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#9548: Many i2c bugs found with the i2c api rework but did not reach the release
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#9709: examples: failed assertion in dtls-echo example
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Fixed Issues from the last release (2018.04)
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============================================
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#8112 crypto/ccm: fix input_len checking with length_encoding
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#8532 kinetis: timer_set_absolute randomly misses its target
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#8778 sys/random: random_uint32_range is only uniform if range is a power of 2
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bug quality defect
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#9065 flashpage_write broken on iotlab-m3
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#9154 cpu/lpc2387: Fixed broken SPI driver
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#9451 Makefile.include: fully define BASELIBS before using its value
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#9579 stm32_common: fix ram length for MCUs with non-contiguous ram regions
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#9675 tests: gnrc_netif: fix group join iteration macro
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You can get the complete detail in the git history and in the release milestone
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[Release 2018.07](https://github.com/RIOT-OS/RIOT/milestone/23?closed=1).
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Acknowledgements
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================
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We would like to thank all companies (vendors) that provided us with (their)
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hardware for porting and testing RIOT-OS. Further thanks go to companies and
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institutions that directly sponsored development time. And finally, big thanks
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to all of you contributing in so many different ways to make RIOT worthwhile!
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More information
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================
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http://www.riot-os.org
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Mailing lists
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-------------
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* RIOT OS kernel developers list
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devel@riot-os.org (http://lists.riot-os.org/mailman/listinfo/devel)
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* RIOT OS users list
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users@riot-os.org (http://lists.riot-os.org/mailman/listinfo/users)
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* RIOT commits
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commits@riot-os.org (http://lists.riot-os.org/mailman/listinfo/commits)
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* Github notifications
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notifications@riot-os.org (http://lists.riot-os.org/mailman/listinfo/notifications)
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IRC
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---
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* Join the RIOT IRC channel at: irc.freenode.net, #riot-os
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License
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=======
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* The code developed by the RIOT community is licensed under the GNU Lesser
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General Public License (LGPL) version 2.1 as published by the Free Software
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Foundation.
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* Some external sources and packages are published under a separate license.
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All code files contain licensing information.
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RIOT-2018.04 - Release Notes
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============================
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RIOT is a multi-threading operating system which enables soft real-time
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