Pyrefly is not the first Python type-checking tool from Meta. Previously, the company delivered Pyre, written in OCaml. Pyre ...

kind/featureCategorizes issue or PR as related to a new feature.Categorizes issue or PR as related to a new feature. In a table with Duplicate Key storage model, the key columns are only columns for ...

This list, also known as BADBOOL, was started in September 2017 and was most recently updated on June 22, 2025 to update the PeekYou and Veripages opt-out URLs, update information on credit freezes, ...