Gxformat2

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* Sync markdown_parse with Galaxy (thanks to `mvdbeek`_). `Pull Request 99`_
* More helpers for reasoning about gxformat2 steps (thanks to `jmchilton`_).
`Pull Request 98`_
* Add abstraction for popping connection dictionary to model (thanks to
`jmchilton`_). `Pull Request 96`_
* Add now mandatory readthedocs config files (thanks to `nsoranzo`_). `Pull
Request 94`_
* Use `ConnectedValue` for connected values (thanks to `mvdbeek`_). `Pull
Request 95`_
* Refresh codegen using schema-salad 8.4.20230808163024 (thanks to `mr-c`_).
`Pull Request 92`_
* Update label comment (thanks to `mvdbeek`_). `Pull Request 90`_

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* Fix input conversion if input has no label by mvdbeek in https://github.com/galaxyproject/gxformat2/pull/89

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* Enable "when" for workflow steps by mr-c in https://github.com/galaxyproject/gxformat2/pull/74
* When fixes by mvdbeek in https://github.com/galaxyproject/gxformat2/pull/86

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* Add dev ``when`` on steps to backend (don't expose in schema yet). by jmchilton in https://github.com/galaxyproject/gxformat2/pull/48
* Update project plumbing to allow dev release. by jmchilton in https://github.com/galaxyproject/gxformat2/pull/49
* Drop support for Python 3.5, add 3.9 by nsoranzo in https://github.com/galaxyproject/gxformat2/pull/52
* Relicense under the MIT license by nsoranzo in https://github.com/galaxyproject/gxformat2/pull/58
* Format2: Add `label` attribute to `WorkflowInputParameter` and `WorkflowOutputParameter` by nsoranzo in https://github.com/galaxyproject/gxformat2/pull/56
* Misc fixes and refactorings by nsoranzo in https://github.com/galaxyproject/gxformat2/pull/55
* Convert Format2 workflow `label` to native `name` by nsoranzo in https://github.com/galaxyproject/gxformat2/pull/54
* test_abstract_export: use different names for the different outputs by simleo in https://github.com/galaxyproject/gxformat2/pull/57
* Fix 2 typos by nsoranzo in https://github.com/galaxyproject/gxformat2/pull/62
* Propagate `doc` field to abstract CWL format by nsoranzo in https://github.com/galaxyproject/gxformat2/pull/65
* Linting fixes by mvdbeek in https://github.com/galaxyproject/gxformat2/pull/64
* Maintain collection_type if present by mvdbeek in https://github.com/galaxyproject/gxformat2/pull/68
* Fix schema doc build by nsoranzo in https://github.com/galaxyproject/gxformat2/pull/69
* Lint and deprecation fixes by nsoranzo in https://github.com/galaxyproject/gxformat2/pull/70
* Run java codegenerator by mvdbeek in https://github.com/galaxyproject/gxformat2/pull/71
* Run maven tests on pull_request by mvdbeek in https://github.com/galaxyproject/gxformat2/pull/72
* fix schema-salad pycodegen by mr-c in https://github.com/galaxyproject/gxformat2/pull/76
* Add workflow default file support by mvdbeek in https://github.com/galaxyproject/gxformat2/pull/79
* Add typescript implementation by mr-c in https://github.com/galaxyproject/gxformat2/pull/75
* Fix cytoscape HTML exports from dist package. by jmchilton in https://github.com/galaxyproject/gxformat2/pull/82
* Add missing elements to schema, fix change_datatype conversion, CSS by mvdbeek in https://github.com/galaxyproject/gxformat2/pull/83
* Support lists as data inputs by mvdbeek in https://github.com/galaxyproject/gxformat2/pull/84


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* Lint types of default values.
* Fix bugs in schema related to differing type names between Galaxy and CWL.
* Generate cwl v1.2 instead of cwl v1.2.0-dev5 release now that it has been released.
* More testing of linting and CWL 1.2 export.

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* Bug fix where native export had explicit outputs declaration still in it (wouldn't break anything, but
was deceptive).
* Fixes for experimental CWL 1.2 abstract export.
* Improve script structures and documentation.
* Improve code structure - add more types, make more things immutable, mention mutability in docstrings.

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