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Work In Progress

Work In Progress

NuttX 10.3 has not been released yet. These Release Notes are a work-in-progress in preparation for the next release of NuttX.  There is a board tracking the PRs that need to be looked at to add to this doc for the OS TODO ADD LINK and for the Apps TODO ADD LINK

What's New In This Release

Major Changes to Core OS

New Features

Bug Fixes

Major Changes to the Build System

New Features

Bug Fixes

Architectural Support

New Architecture Support

Driver Support

Bug Fixes

New Driver Support

Drivers With Significant Improvements

Board Support

Significant Improvements

New Board Support

Boards With Significant Improvements

File System

Bug Fixes

Significant Improvements

Networking

Applications

Improvements

Bug Fixes

Security Issues Fixed In This Release

Compatibility Concerns

Renamed Kconfigs

PR-5065 has renamed the following Kconfigs:

CONFIG_USER_ENTRYPOINT -> CONFIG_INIT_ENTRYPOINT
CONFIG_USERMAIN_STACKSIZE -> CONFIG_INIT_STACKSIZE

These are the non-"CONFIG_"-prefixed names:

USER_ENTRYPOINT -> INIT_ENTRYPOINT
USERMAIN_STACKSIZE -> INIT_STACKSIZE

All in-tree boards have been updated.

NuttX users developing their own out-of-tree boards need to update all references to the above names as well.

See PR-5065, git commits 4bc7b8c802cd42bd2c3d98f4fd11207d2dd50de4, 632716dc7ad04f7cad48c5787f5c0b500cbee296, and 036d98a06ba873318061380b876b838f7ffa64fb.

Changes to Build System

PR-5496 has refactored the separate Unix and Windows/Cygwin handling of the build variable ARCHSCRIPT so that each board's Make.defs will not need logic like this:

ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
  ARCHSCRIPT = -T "${shell cygpath -w $(BOARD_DIR)$(DELIM)scripts$(DELIM)tfm-ns.ld}"
else
  ARCHSCRIPT = -T$(BOARD_DIR)$(DELIM)scripts$(DELIM)tfm-ns.ld
endif

And can instead append the variable just one, like this:

ARCHSCRIPT += $(BOARD_DIR)$(DELIM)scripts$(DELIM)tfm-ns.ld

Note the assignment is changed to append (from = to +=).

All boards in the NuttX tree have been updated.

NuttX users developing their own custom boards will need to update their board's scripts/Make.defs file as shown above.

See PR-5496, git commit 855534deef50e1e9c957eb32a7b15497d1bfd34a.

Known Problems In This Release

More Information

How to Download

Release artifacts for all current and past NuttX releases can be downloaded at:

How to Clone the Git Repository

The Apache NuttX project uses Git SCM as its version control system.

There are two primary repositories:

  • nuttx - The real time operating system itself.
  • apps - Optional applications and example programs for the operating system. You can use this repository or make your own custom one.

The main "Single Source of Truth" repositories are hosted by the ASF:

These are synchronized with repositories hosted at GitHub:

How to Contact the Community

The main forum for project communication, to ask a question, get involved, or contribute to NuttX, is our mailing list, dev@nuttx.apache.org. The list is publicly archived and searchable at https://lists.apache.org/list.html?dev@nuttx.apache.org. For more information, see NuttX Community.

Enthusiastic Contributors Welcome!

NuttX is a free open-source project. If you'd like to participate, whether it's to enhance documentation (even these release notes) or dive into the nitty gritty of some low-level drivers, please join us! You can join the conversation at our dev mailing list by emailing dev-subscribe@nuttx.apache.org. The mailing list is open to the public and archived. You can browse older messages at https://lists.apache.org/list.html?dev@nuttx.apache.org.

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