This release

• replace metal_yield by metal_sleep_usec(1000) in rpmsg_virtio_wait_remote_ready and rproc_virtio_delete_virtqueues
• migration of documentation images into https://github.com/OpenAMP/openamp-docs
• replace CACHE_FLUSH/CACHE_INVALIDATE call by metal_cache_flush/metal_cache_invalidate
• fixes some bugs to improve the maturity.

API Updates:

• virtqueue.h
  • virtqueue_get_available_buffer is renamed virtqueue_get_first_avail_buffer
  • add new API virtqueue_get_next_avail_buffer to get the next available buffer.

Deprecation

• Remove support of deprecated cmake option

  • WITH_DCACHE_VRINGS
  • WITH_DCACHE_BUFFERS
  • WITH_DCACHE_RSC_TABLE
  • VIRTIO_CACHED_RSC_TABLE
  • VIRTIO_CACHED_BUFFERS
  • VIRTIO_CACHED_VRINGS

• Remove support of the deprecated virtio_describe function

What's Changed

• rpmsg_virtio.c: wait_remote_ready use metal_sleep_usec to avoid starvation by @PetervdPerk-NXP in https://github.com/OpenAMP/open-amp/pull/647
• Doxygen: generate tag and xml by @sipke in https://github.com/OpenAMP/open-amp/pull/641
• Remove design document images from open-amp repository by @sipke in https://github.com/OpenAMP/open-amp/pull/660
• README: remove example related information by @tnmysh in https://github.com/OpenAMP/open-amp/pull/655
• CI: fix No space left on device message by @arnopo in https://github.com/OpenAMP/open-amp/pull/664
• virtqueue: add more virtqueue apis for the virtio device side by @CV-Bowen in https://github.com/OpenAMP/open-amp/pull/631
• doxygen: add @code block to correct generation of vring code snippet by @sipke in https://github.com/OpenAMP/open-amp/pull/661
• Add QNX cross-compilation support by @dchordia in https://github.com/OpenAMP/open-amp/pull/662
• remoteproc virtio: Fix documentation by @arnopo in https://github.com/OpenAMP/open-amp/pull/668
• Release v2025.10 : remove object deprecated for more than 2 years by @arnopo in https://github.com/OpenAMP/open-amp/pull/667
• README.md: Remove references to apps directory and generated apps. by @edmooring in https://github.com/OpenAMP/open-amp/pull/671
• release: open-amp 2025.10.0 by @arnopo in https://github.com/OpenAMP/open-amp/pull/669

New Contributors

• @PetervdPerk-NXP made their first contribution in https://github.com/OpenAMP/open-amp/pull/647
• @sipke made their first contribution in https://github.com/OpenAMP/open-amp/pull/641
• @dchordia made their first contribution in https://github.com/OpenAMP/open-amp/pull/662

Full Changelog: https://github.com/OpenAMP/open-amp/compare/v2025.04.0...v2025.10.0