Even Better Support for React in Flow

The first version of Flow support for React was a magical implementation of…

What the Flow team has been up to

Hello! (And sorry for the radio silence.)

Asking for required annotations

The next release of Flow, version 0.85.0, includes an important bug fix that will likely add many new “missing annotation” errors to your existing code. This fix does not represent a new annotation requirement from Flow. Instead, it is fixing a hole in Flow’s analysis that…

Typing Higher-order Components in Recompose With Flow

Clarity on Flow’s Direction and Open Source Engagement

Supporting React.forwardRef and Beyond

In Flow v0.89.0, we’re releasing React.AbstractComponent, a new type that we use to model…

New Flow Language Features for React

Write Safer and more Succinct React with Flow

Linting in Flow

In the past, Flow has had to make some tough decisions about what counts as a type error, and what we should surface in our…

New Flow Errors on Unknown Property Access in Conditionals

Hiding Implementation Details With Flow’s New Opaque Type Aliases Feature