5.4.1 release

5.4 release

5.4.0b2 release

5.4.0b1 release

Build modernization (GHA, wheels, setuptools) (yaml#407)

* Move most CI to GitHub Actions
* Build sdist
* Build manylinux1 wheels with libyaml ext (also tested with 2010 and 2014)
* Build MacOS x86_64 wheels with libyaml ext
* Windows wheel builds remain on AppVeyor until we drop 2.7 support in 6.0
* Smoke tests of all post-build artifacts
* Add PEP517/518 build declaration (pyproject.toml with setuptools backend)
* Fully move build to setuptools
* Drop Python 3.5 support
* Declare Python 3.9 support
* Update PyPI metadata now that setuptools lets it flow through

Co-authored-by: Matt Davis <[email protected]>

5.3.1 (2020-03-18)

* yaml#386 -- Prevents arbitrary code execution during python/object/new constructor

5.3 (2020-01-06)

* yaml#290 -- Use `is` instead of equality for comparing with `None`
* yaml#270 -- fix typos and stylistic nit
* yaml#309 -- Fix up small typo
* yaml#161 -- Fix handling of __slots__
* yaml#358 -- Allow calling add_multi_constructor with None
* yaml#285 -- Add use of safe_load() function in README
* yaml#351 -- Fix reader for Unicode code points over 0xFFFF
* yaml#360 -- Enable certain unicode tests when maxunicode not > 0xffff
* yaml#359 -- Use full_load in yaml-highlight example
* yaml#244 -- Document that PyYAML is implemented with Cython
* yaml#329 -- Fix for Python 3.10
* yaml#310 -- increase size of index, line, and column fields
* yaml#260 -- remove some unused imports
* yaml#163 -- Create timezone-aware datetimes when parsed as such
* yaml#363 -- Add tests for timezone

Changes for 5.3b1

Version 5.2

Changes for 5.2b1