Changes from v5.9.1:

docs

• Add clock, watch, and pacman examples. (Thanks @mathiastiberghien and @domoritz!)

monorepo

• Update dev dependencies.

vega

• Allow patch updates for Vega packages.
• Add images-inline test specification.

vega-loader

• Fix URI sanitization to accept data: prefix URIs. (#2407)

vega-parser

• Fix legend columns value handling. (#2268)

vega-scenegraph

• Add memoization to speed up text width measurements. (Thanks @domoritz!)

vega-schema

• Fix date-type transform parameter support.

vega-statistics

• Fix exponential regression robustness, mean-center x-values. (#2378)

vega-transforms

• Fix TimeUnit maxbins, extent parameter support. (Thanks @haldenl!)

vega-typings

• Fix missing zindex mark encoding typing. (#2341)
• Update typings. (Thanks @danmarshall, @domoritz, @kanitw!)

vega-util

• Add lruCache data structure, tests, and documentation.