Zephyr 4.2.0 (Working Draft)
We are pleased to announce the release of Zephyr version 4.2.0.
Major enhancements with this release include:
An overview of the changes required or recommended when migrating your application from Zephyr v4.1.0 to Zephyr v4.2.0 can be found in the separate migration guide.
The following sections provide detailed lists of changes by component.
API Changes
Removed APIs and options
Removed the deprecated the
net_buf_put()
andnet_buf_get()
API functions.Removed the deprecated
include/zephyr/net/buf.h
header file.
Deprecated APIs and options
The scheduler Kconfig options CONFIG_SCHED_DUMB and CONFIG_WAITQ_DUMB were renamed and deprecated. Use
CONFIG_SCHED_SIMPLE
andCONFIG_WAITQ_SIMPLE
instead.
New APIs and options
Bluetooth
Audio
Host
Display
-
LE Connection Subrating is no longer experimental.
-