Qualtran

We're pleased to announce the latest beta release of Qualtran: v0.4.0. This release includes many improvements and fixes throughout the library, but some highlights include:

Highlights

- Support for arbitrary `CostKey`s: compute gate counts, qubit counts, or define your own cost
- Many more bloqs support symbolic parameters and cost estimates
- Bugfixes for using Qualtran on Windows
- Better control for how bloqs display themselves in diagrams
- Mypy type-checking is enabled and enforced library-wide.

**Full Changelog**: https://github.com/quantumlib/Qualtran/compare/v0.3.0...v0.4.0

This is an incremental beta release of Qualtran.

Highlights

- **Quantum data types**. Registers now have types.
- T-complexity protocol improvements.
- More bloqs!

**Full Changelog**: https://github.com/quantumlib/Qualtran/compare/v0.2.0...v0.3.0

This is an incremental beta release of Qualtran.

**Highlights include:**
- Improved Cirq interoperability, and the absorption of the-package-formerly-known-as Cirq-FT into the Qualtran repository.
- More chemistry bloqs.
- The Adjoint protocol

**Full Changelog**: https://github.com/quantumlib/Qualtran/compare/v0.1.0...v0.2.0

This is the initial, experimental preview release of Qualtran