### @mapbox/scroll-restorer

Preserve scroll state while navigating client-side routes

Updated by @jc-clark

### prerender-mathjax

Preprocess mathy html with MathJax-node and then use PrinceXML to output PDF.

Updated by @anandthakker

### geojson-polygon-aggregate

Aggregate properties of GeoJSON polygons, grouped by another set of polygons.

Updated by @anandthakker

### @mapbox/react-simple-surveyor

Simple higher-order React component for measuring a component's available width

Updated by @xianny

### euclid-parser

Parse geometry proof language for diagram-building instructions.

Updated by @anandthakker

### mapbox-gl-datadriven

A stopgap to mimic data-driven styles in mapbox-gl-js; hopefully obsolete very soon!

Updated by @anandthakker

### @mapbox/rehype-highlight-code-block

rehype plugin that finds code blocks in HTML and lets you highlight them

Updated by @jc-clark

### @mapbox/speed-percentile

Utility to compute speed percentile from sparse histogram hash.

Updated by @aag6z

### vt-grid

Build up a pyramid of vector tiles by aggregating quantitative data into grids at lower zooms.

Updated by @anandthakker

### euclid

Euclidean geometry in javascript. Here's a demo; here's another one.

Updated by @anandthakker

### @mapbox/price-pigeon

Fetch AWS OnDemand prices for easy import into other modules

Updated by @charloyd