## What's Changed

* bug-fix: Numpy ValueError when cheking empty list equality by @ajadczaksunriselabs in https://github.com/MIT-LCP/wfdb-python/pull/459
* bug-fix: Pandas set indexing error by @ajadczaksunriselabs in https://github.com/MIT-LCP/wfdb-python/pull/460
* fix for MIT-LCP/wfdb-python/issues/452 by @tecamenz in https://github.com/MIT-LCP/wfdb-python/pull/465
* Use numpydoc to render documentation by @SnoopJ in https://github.com/MIT-LCP/wfdb-python/pull/472
* build(deps): bump readthedocs-sphinx-search from 0.1.1 to 0.3.2 in /docs by @dependabot in https://github.com/MIT-LCP/wfdb-python/pull/477
* Update style by @bemoody in https://github.com/MIT-LCP/wfdb-python/pull/482
* Fix NaN handling in Record.adc, and other fixes by @bemoody in https://github.com/MIT-LCP/wfdb-python/pull/481
* Set upper bound on Numpy version (numpy = ">=1.10.1,<2.0.0"). Ref #493. by @tompollard in https://github.com/MIT-LCP/wfdb-python/pull/494
* Update actions to use actions/checkout@v3 and actions/setup-python@v4. by @tompollard in https://github.com/MIT-LCP/wfdb-python/pull/495
* Fix: Indent code to ensure 'j' is within for-loop in GQRS algorithm by @tompollard in https://github.com/MIT-LCP/wfdb-python/pull/499
* Add write_dir argument to csv_to_wfdb. Fixes #67. by @tompollard in https://github.com/MIT-LCP/wfdb-python/pull/492
* Fix warnings by @cbrnr in https://github.com/MIT-LCP/wfdb-python/pull/502
* README improvements by @bemoody in https://github.com/MIT-LCP/wfdb-python/pull/503
* Change in type promotion. Fixes to annotation.py by @tompollard in https://github.com/MIT-LCP/wfdb-python/pull/506
* Use uv by @cbrnr in https://github.com/MIT-LCP/wfdb-python/pull/504
* Change in type promotion. Fixes to _signal.py by @tompollard in https://github.com/MIT-LCP/wfdb-python/pull/507
* Test round-trip write/read of supported binary formats by @bemoody in https://github.com/MIT-LCP/wfdb-python/pull/509
* Corrected typo and extended allowed types for MultiSegmentRecord by @agent3gatech in https://github.com/MIT-LCP/wfdb-python/pull/514
* Allow expanded physical signal in `calc_adc_params` by @briangow in https://github.com/MIT-LCP/wfdb-python/pull/512
* Add capability to write signal with unique `samps_per_frame` to `wfdb.io.wrsamp` by @briangow in https://github.com/MIT-LCP/wfdb-python/pull/510
* Fix selection of channels when converting to EDF by @SamJelfs in https://github.com/MIT-LCP/wfdb-python/pull/519
* Change in type promotion introduced in Numpy 2.0. Fixes to edf.py. by @tompollard in https://github.com/MIT-LCP/wfdb-python/pull/527
* Bump dependencies for NumPy 2 compatibility by @cbrnr in https://github.com/MIT-LCP/wfdb-python/pull/511
* Bump version to v4.2.0 and update notes on creating new releases by @tompollard in https://github.com/MIT-LCP/wfdb-python/pull/497

## New Contributors

* @ajadczaksunriselabs made their first contribution in https://github.com/MIT-LCP/wfdb-python/pull/459
* @tecamenz made their first contribution in https://github.com/MIT-LCP/wfdb-python/pull/465
* @SnoopJ made their first contribution in https://github.com/MIT-LCP/wfdb-python/pull/472
* @dependabot made their first contribution in https://github.com/MIT-LCP/wfdb-python/pull/477
* @agent3gatech made their first contribution in https://github.com/MIT-LCP/wfdb-python/pull/514
* @SamJelfs made their first contribution in https://github.com/MIT-LCP/wfdb-python/pull/519

**Full Changelog**: https://github.com/MIT-LCP/wfdb-python/compare/v4.1.2...v4.2.0