Release vn3.0

.gitattributes

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+# Handle line endings automatically for files detected as text
+# and leave all files detected as binary untouched.
+*     text=auto
+
+# Binaries
+*.nc    binary
+*.png   binary
+
+# Fortran files
+*.f   text diff=fortran
+*.for text diff=fortran
+*.f90 text diff=fortran
+*.F90 text diff=fortran
+*.f95 text diff=fortran
+*.f03 text diff=fortran
+*.x90 text diff=fortran
+*.X90 text diff=fortran
+*.t90 text diff=fortran
+*.T90 text diff=fortran
+*.pf  text diff=fortran
+*.PF  text diff=fortran
+
+# Enable syntax highlighting for files with `.pf` extensions.
+#
+*.pf linguist-language=fortran-free-form
+*.pf linguist-detectable=true
+*.pf linguist-documentation=false
+
+*.PF linguist-language=fortran-free-form
+*.PF linguist-detectable=true
+*.PF linguist-documentation=false
+
+*.x90 linguist-language=fortran-free-form
+*.x90 linguist-detectable=true
+*.x90 linguist-documentation=false
+
+*.X90 linguist-language=fortran-free-form
+*.X90 linguist-detectable=true
+*.X90 linguist-documentation=false
+
+*.t90 linguist-language=fortran-free-form
+*.t90 linguist-detectable=true
+*.t90 linguist-documentation=false
+
+*.T90 linguist-language=fortran-free-form
+*.T90 linguist-detectable=true
+*.T90 linguist-documentation=false

.github/CODEOWNERS

@@ -1 +1,3 @@
-* @MetOffice/core-capability-development @MetOffice/ssdteam
+**/jules_interface/rose-meta @maggiehendry
+**/jedi_lfric* @MetOffice/r2o
+**/linear* @MetOffice/r2o

.github/pull_request_template.md

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+# PR Summary
+
+Sci/Tech Reviewer: <!-- SR id, filled when known (e.g. @octocat) -->
+Code Reviewer: <!-- CR id, filled by SSD/CCD (e.g. @octocat) -->
+
+<!-- To be completed by the developer -->
+
+<!-- Provide a brief description of the changes in this PR, including any notes
+     useful for reviewers -->
+
+<!-- List any linked PRs here
+- linked MetOffice/<REPO-NAME>#<pr-number>
+-->
+
+<!-- List any blocking PRs or issues to be closed here
+- is blocked-by #pr-number
+- blocks #pr-number
+- closes #issue-number (auto-closes the issue)
+- fixes #issue-number (auto-closes the issue)
+- is related to #issue-number
+-->
+
+## Code Quality Checklist
+
+(_Some checks are automatically carried out via the CI pipeline_)
+
+- [ ] I have performed a self-review of my own code
+- [ ] My code follows the project's style guidelines
+      [style guidelines](https://metoffice.github.io/lfric_core/how_to_contribute/index.html#how-to-contribute-index)
+- [ ] Comments have been included that aid undertanding and enhance the
+      readability of the code
+- [ ] My changes generate no new warnings
+
+## Testing
+
+- [ ] I have tested this change locally, using the LFRic Apps rose-stem suite
+- [ ] If any tests fail (rose-stem or CI) the reason is understood and
+      acceptable (eg. kgo changes)
+- [ ] I have added tests to cover new functionality as appropriate (eg. system
+      tests, unit tests, etc.)
+- [ ] Any new tests have been assigned an appropriate amount of compute resource
+      and have tests been allocated to an appropriate testing group (i.e. the
+      developer tests are for jobs which use a small amount of compute resource
+      and complete in a matter of minutes)
+
+<!-- Describe other testing performed (if applicable) -->
+
+### trac.log
+
+<!-- Paste your trac.log from testing output here -->
+
+## Security Considerations
+
+- [ ] I have reviewed my changes for potential security issues
+- [ ] Sensitive data is properly handled (if applicable)
+- [ ] Authentication and authorisation are properly implemented (if applicable)
+
+## Performance Impact
+
+- [ ] Performance of the code has been considered and, if applicable, suitable
+      performance measurements have been conducted
+
+## AI Assistance and Attribution
+
+- [ ] Some of the content of this change has been produced with the assistance
+      of _Generative AI tool name_ (e.g., Met Office Github Copilot Enterprise,
+      Github Copilot Personal, ChatGPT GPT-4, etc) and I have followed the
+      [Simulation Systems AI policy](https://metoffice.github.io/simulation-systems/FurtherDetails/ai.html)
+      (including attribution labels)
+
+<!-- If AI has been used, please provide more details here -->
+
+## Documentation
+
+- [ ] Where appropriate I have updated documentation related to this change and
+      confirmed that it builds correctly
+
+## PSyclone Approval
+
+- [ ] If you have edited any psyclone related code (eg. PsyKAl-lite, Kernal
+      inteface, optimisation scripts, LFRic data structure code) then please
+      contact the
+      [tooscollabdevteam@metoffice.gov.uk](tooscollabdevteam@metoffice.gov.uk)
+
+# Sci/Tech Review
+
+<!-- To be completed by the Sci/Tech Reviewer -->
+<!-- May be skipped for trivial tickets -->
+
+- [ ] I understand this area of code and the changes being added
+- [ ] The proposed changes correspond to the pull request description
+- [ ] Documentation is sufficient (do documentation papers need updating)
+- [ ] Sufficient testing has been completed
+
+_Please alert the code reviewer via a tag when you have approved the SR_
+
+# Code Review
+
+<!-- To be completed by the Code Reviewer -->
+
+- [ ] All dependencies have been resolved
+- [ ] Related Issues have been properly linked and addressed
+- [ ] CLA compliance has been confirmed
+- [ ] Code quality standards have been met
+- [ ] Tests are adequate and have passed
+- [ ] Documentation is complete and accurate
+- [ ] Security considerations have been addressed
+- [ ] Performance impact is acceptable

.github/workflows/check-cr-approved.yaml

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+name: Check CR approved
+
+on:
+    pull_request_review:
+        types: [submitted, edited, dismissed]
+    workflow_dispatch:
+
+jobs:
+    check_cr_approved:
+        if: ${{ github.event.pull_request.number }}
+        uses: MetOffice/growss/.github/workflows/check-cr-approved.yaml@main

.github/workflows/cla-check.yaml

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+name: Legal
+
+on:
+  pull_request_target:
+
+jobs:
+  cla:
+    uses: MetOffice/growss/.github/workflows/cla-check.yaml@main
+    with:
+      runner: 'ubuntu-24.04'

.gitignore

@@ -40,6 +40,23 @@ documentation/build
 # vscode
 .vscode
 
+#  vi/vim
+*~
+*.swp
+*.swo
+
 # Emacs backup files
 .#*
 \#*#
+
+# Python
+__pycache__
+*.pyc
+.pytest_cache
+
+# LFRic CL Builds
+applications/**/bin
+applications/**/working
+applications/**/example*/
+science/**/bin
+science/**/working

CONTRIBUTORS.md

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+# Contributors
+
+| GitHub user | Real Name | Affiliation | Date |
+| ----------- | --------- | ----------- | ---- |
+| james-bruten-mo | James Bruten | Met Office | 2025-12-09 |
+| jennyhickson | Jenny Hickson | Met Office | 2025-12-10 |

README.md

@@ -1,2 +1,47 @@
-# lfric_apps
-LFRic Applications
+# LFRic Apps
+
+[![ci](https://github.com/MetOffice/lfric_apps/actions/workflows/ci.yml/badge.svg)](https://github.com/MetOffice/lfric_apps/actions/workflows/ci.yml)
+
+This repository is home to the LFRic-based science applications and libraries such as
+lfric_atm and the GungHo dynamical core.
+
+LFRic applications are based on the infrastructure developed in the [LFRic
+Core](https://github.com/MetOffice/lfric_core) repository.
+
+In development documentation for LFRic Apps is available at:
+[https://metoffice.github.io/lfric_apps](https://metoffice.github.io/lfric_apps)
+
+## Contributing Guidelines
+
+Welcome!
+
+The following links are here to help set clear expectations for everyone
+contributing to this project. By working together under a shared understanding,
+we can continuously improve the project while creating a friendly, inclusive
+space for all contributors.
+
+### Contributors Licence Agreement
+
+Please see the
+[Momentum Contributors Licence Agreement](https://github.com/MetOffice/Momentum/blob/main/CLA.md)
+
+Agreement of the CLA can be shown by adding yourself to the CONTRIBUTORS file
+alongside this one, and is a requirement for contributing to this project.
+
+### Code of Conduct
+
+Please be aware of and follow the
+[Momentum Code of Coduct](https://github.com/MetOffice/Momentum/blob/main/docs/CODE_OF_CONDUCT.md)
+
+### Working Practices
+
+This project is managed as part of the Simulation Systems group of repositories.
+
+Please follow the Simulation Systems
+[Working Practices.](https://metoffice.github.io/simulation-systems/index.html)
+
+Questions are encouraged in the Simulation Systems
+[Discussions.](https://github.com/MetOffice/simulation-systems/discussions)
+
+Please be aware of and follow the Simulation Systems
+[AI Policy.](https://metoffice.github.io/simulation-systems/FurtherDetails/ai.html)