v8.1.6: New and updated layers, bug fixes and more

✨ New features and improvements

• Update to mypy 0.990 (#801).
• Extend to wasabi v1.1 (#813).
• Add SparseLinear.v2, to fix indexing issues (#754).
• Add TorchScriptWrapper_v1 (#802).
• Add callbacks to facilitate lazy-loading models in PyTorchShim (#796).
• Make all layer defaults serializable (#808).

🔴 Bug fixes

• Add missing packaging requirement (#799).
• Correct sequence length error messages for reduce_first/last (#807).
• Update CupyOps.asarray to always copy cupy arrays to the current device (#812).
• Fix types for sequences passed to Ops.asarray* (#819).

👥 Contributors

@adrianeboyd, @danieldk, @frobnitzem, @honnibal, @ines, @richardpaulhudson, @ryndaniels, @shadeMe, @svlandeg