optree v0.19.1

optree v0.19.1

Added

• Add attrs integration module optree.integrations.attrs with field, define, frozen, mutable, make_class, register_node, and AttrsEntry by @XuehaiPan in #273.
• Add optree.dataclasses.register_node to register existing dataclasses as pytree nodes by @XuehaiPan in #273.
• Extend GetAttrEntry to support dotted attribute paths for traversing nested attributes (e.g., a.b.c) by @XuehaiPan.
• Add functools.Placeholder support and re-export for optree.functools.partial (Python 3.14+) by @XuehaiPan in #276.

Fixed

• Fix Windows wheels crashing when another extension preloads an older msvcp140.dll by disabling MSVC's constexpr std::mutex constructor by @XuehaiPan in #279. Issued by @jmkolbe in #278.

Full Changelog: v0.19.0...v0.19.1