Sequel 4.42.0 Released

Sequel 4.42.0 was released today! Full release notes are available, but here are some highlights:

• Frozen datasets now work in almost all cases.
• Frozen datasets are actually frozen on ruby 2.4, and frozen dataset opts are frozen on ruby <2.4.
• Frozen datasets can actually be up to 3x faster now than unfrozen datasets due to caching.
• A freeze_datasets Database extension has been added to freeze a Database instances datasets by default.
• Many dataset methods are now available in model dataset_module blocks for defining dataset methods, with caching for frozen datasets.