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Major Changes to Core OS
New Features
#2820 arch, boards, drivers, include, sched, wireless: Change spinlock APIs.
Bug Fixes
#3123 sched: pthread: Remove a redundant critical section in pthread_condclockwait.c
#3080 sched: semaphore: Remove a redundant critical section in nxsem
#3111 Sporadic scheduler: Fix time calculation and compile errors when assertions are enabled:
#3115 libs/libc/time/localtime: fix race condition
#3121 mm/heap: Move semaphore related declaration to private header
#3253 libs: libc pthread: Fix pthread_rwlock_init return error
#2960 sched: signal: sigdeliver: fix system block when kill signal to idle in SMP
#2938 libs: misc: Remove critical section in lib_filesem.c for SMP
#3033 libc/unistd: Fix getpriority not handling invalid input value
#2980 include: Add iso646.h for alternative spellings
#1922 sched: nxtask_start should call entry point directly for kernel thread
Major Changes to the Build System
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#2318 sensors: update l3gd20 sensor driver with new sensor driver model
#2698 syslog: Added color output to syslog.
#2692 syslog: Prepend Process ID to syslog message
#2961 syslog_rpmsg: fix system crash when open CONFIG_SCHED_HAVE_PARENT
#2691 wireless: bluetooth: add more hci event definitions
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