New Features
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* Add Python 3.13 support. See https://github.com/dwavesystems/dwave-hybrid/pull/298.
* Add support for zephyr lattices on zephyr solvers. Improve handling of unyielded edges, improving performance for lower yield processors. See https://github.com/dwavesystems/dwave-hybrid/pull/297.
Fixes
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* Switch to `dwave-samplers`. See https://github.com/dwavesystems/dwave-hybrid/pull/299.
* Fix flaky and slow tests. See https://github.com/dwavesystems/dwave-hybrid/pull/300 and https://github.com/dwavesystems/dwave-hybrid/pull/301.
Upgrade Notes
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* Drop Python 3.8 support and refresh CI. https://github.com/dwavesystems/dwave-hybrid/pull/298.
* Drop support for `dimod<0.12` and `dwave-systems<1.16`. See https://github.com/dwavesystems/dwave-hybrid/pull/299 and https://github.com/dwavesystems/dwave-hybrid/pull/301.