Here is the fifth candidate release for the v2.4.x branch.
* Enforce CPU affinity unconditionally.
* Allow for daisy chains of periodic tick handlers.
* Fix rounding and minimum value of mappable heap size.
* Upgrade Adeos support to 2.6.23.
* Add support for the bf561.
* Update Adeos support for 2.6.20 and 2.6.23.
* Update Adeos support for 2.6.20, 2.6.22 and 2.6.23.
* Fix the interrupt filter when the shield is in effect.
* Update Adeos support for 2.6.22 and 2.6.23.
* Freeze the current trace path upon receipt of a fault
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