Asdf

==================

.. note::
The ASDF Standard is at v1.5.0

- AsdfDeprecationWarning now subclasses DeprecationWarning. [`710 <https://github.com/asdf-format/asdf/issues/710>`_]

- Resolve external references in custom schemas, and deprecate
asdf.schema.load_custom_schema. [`738 <https://github.com/asdf-format/asdf/issues/738>`_]

- Add ``asdf.info`` for displaying a summary of a tree, and
``AsdfFile.search`` for searching a tree. [`736 <https://github.com/asdf-format/asdf/issues/736>`_]

- Add pytest plugin option to skip warning when a tag is
unrecognized. [`771 <https://github.com/asdf-format/asdf/issues/771>`_]

- Fix generic_io ``read_blocks()`` reading past the requested size [`773 <https://github.com/asdf-format/asdf/issues/773>`_]

- Add support for ASDF Standard 1.5.0, which includes several new
transform schemas. [`776 <https://github.com/asdf-format/asdf/issues/776>`_]

- Enable validation and serialization of previously unhandled numpy
scalar types. [`778 <https://github.com/asdf-format/asdf/issues/778>`_]

- Fix handling of trees containing implicit internal references and
reference cycles. Eliminate need to call ``yamlutil.custom_tree_to_tagged_tree``
and ``yamlutil.tagged_tree_to_custom_tree`` from extension code,
and allow ``ExtensionType`` subclasses to return generators. [`777 <https://github.com/asdf-format/asdf/issues/777>`_]

- Fix bug preventing history entries when a file was previously
saved without them. [`779 <https://github.com/asdf-format/asdf/issues/779>`_]

- Update developer overview documentation to describe design of changes
to handle internal references and reference cycles. [`781 <https://github.com/asdf-format/asdf/issues/781>`_]

==================

.. note::
The ASDF Standard is at v1.4.0

- Add a developer overview document to help understand how ASDF works
internally. Still a work in progress. [`730 <https://github.com/asdf-format/asdf/issues/730>`_]

- Remove unnecessary dependency on six. [`739 <https://github.com/asdf-format/asdf/issues/739>`_]

- Add developer documentation on schema versioning, additional
schema and extension-related tests, and fix a variety of
issues in ``AsdfType`` subclasses. [`750 <https://github.com/asdf-format/asdf/issues/750>`_]

- Update asdf-standard to include schemas that were previously
missing from 1.4.0 version maps. [`767 <https://github.com/asdf-format/asdf/issues/767>`_]

- Simplify example in README.rst [`763 <https://github.com/asdf-format/asdf/issues/763>`_]

==================

.. note::
The ASDF Standard is at v1.4.0

- Fix bug in test causing failure when test suite is run against
an installed asdf package. [`732 <https://github.com/asdf-format/asdf/issues/732>`_]

==================

.. note::
The ASDF Standard is at v1.4.0

- Added asdf-standard 1.4.0 to the list of supported versions. [`704 <https://github.com/asdf-format/asdf/issues/704>`_]
- Fix load_schema LRU cache memory usage issue [`682 <https://github.com/asdf-format/asdf/issues/682>`_]
- Add convenience method for fetching the default resolver [`682 <https://github.com/asdf-format/asdf/issues/682>`_]

- ``SpecItem`` and ``Spec`` were deprecated in ``semantic_version``
and were replaced with ``SimpleSpec``. [`715 <https://github.com/asdf-format/asdf/issues/715>`_]

- Pinned the minimum required ``semantic_version`` to 2.8. [`715 <https://github.com/asdf-format/asdf/issues/715>`_]

- Fix bug causing segfault after update of a memory-mapped file. [`716 <https://github.com/asdf-format/asdf/issues/716>`_]

==================

.. note::
The ASDF Standard is at v1.3.0

- Limit the version of ``semantic_version`` to <=2.6.0 to work
around a Deprecation warning. [`700 <https://github.com/asdf-format/asdf/issues/700>`_]

==================

.. note::
The ASDF Standard is at v1.3.0

- Define the ``in`` operator for top-level ``AsdfFile`` objects. [`623 <https://github.com/asdf-format/asdf/issues/623>`_]

- Overhaul packaging infrastructure. Remove use of ``astropy_helpers``. [`670 <https://github.com/asdf-format/asdf/issues/670>`_]

- Automatically register schema tester plugin. Do not enable schema tests by
default. Add configuration setting and command line option to enable schema
tests. [`676 <https://github.com/asdf-format/asdf/issues/676>`_]

- Enable handling of subclasses of known custom types by using decorators for
convenience. [`563 <https://github.com/asdf-format/asdf/issues/563>`_]

- Add support for jsonschema 3.x. [`684 <https://github.com/asdf-format/asdf/issues/684>`_]

- Fix bug in ``NDArrayType.__len__``. It must be a method, not a
property. [`673 <https://github.com/asdf-format/asdf/issues/673>`_]