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doc: releases: Add runtime changes to release notes

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Add runtime observers static allocation feature to release notes.

Signed-off-by: Rodrigo Peixoto <rodrigopex@gmail.com>
This commit is contained in:
Rodrigo Peixoto 2025-04-20 09:18:16 -03:00 • committed by Benjamin Cabé
commit dd3c66ceed
2 changed files with 13 additions and 7 deletions
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7
doc/releases/migration-guide-4.2.rst
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@ -514,13 +514,6 @@ Video
Other subsystems Other subsystems
**************** ****************
ZBus
====
* The function :c:func:`zbus_chan_add_obs` now requires a :c:struct:`zbus_observer_node` as an argument,
which was previously allocated through :c:func:`k_malloc` internally. The structure must remain valid
in memory until :c:func:`zbus_chan_rem_obs` is called.
Modules Modules
******* *******

13
doc/releases/release-notes-4.2.rst
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@ -237,6 +237,19 @@ New APIs and options
* :kconfig:option:`CONFIG_LV_Z_COLOR_MONO_HW_INVERSION` * :kconfig:option:`CONFIG_LV_Z_COLOR_MONO_HW_INVERSION`
* ZBus
* Runtime observers can work without heap. Now it is possible to choose between static, dynamic,
and none allocation for the runtime observers nodes.
* Runtime observers using :kconfig:option:`CONFIG_ZBUS_RUNTIME_OBSERVERS_NODE_ALLOC_NONE` must use
the new function :c:func:`zbus_chan_add_obs_with_node`.
* :kconfig:option:`CONFIG_ZBUS_RUNTIME_OBSERVERS_NODE_ALLOC_DYNAMIC`
* :kconfig:option:`CONFIG_ZBUS_RUNTIME_OBSERVERS_NODE_ALLOC_STATIC`
* :kconfig:option:`CONFIG_ZBUS_RUNTIME_OBSERVERS_NODE_ALLOC_NONE`
* :kconfig:option:`CONFIG_ZBUS_RUNTIME_OBSERVERS_NODE_POOL_SIZE`
New Boards New Boards
********** **********