Update CHANGELOG

Author: mbostock

CHANGELOG.md

@@ -68,6 +68,8 @@ Plot.plot({
 })
 ```
 
+When using the dodgeY transform, you should set the height of your plot explicitly; otherwise dots may be drawn outside the canvas. You can also adjust the **range** of the *r* scale to produce denser beeswarms.
+
 [breaking] Color scales with diverging color schemes now default to the *diverging* scale type instead of the *linear* scale type. This includes the *brbg*, *prgn*, *piyg*, *puor*, *rdbu*, *rdgy*, *rdylbu*, *rdylgn*, *spectral*, *burd*, and *buylrd* schemes. If you want to use a diverging color scheme with a linear color scale, set the scale **type** option to *linear*. Color scales will also default to diverging if the scale **pivot** option is set. (For diverging scales, the pivot defaults to zero.)
 
 The [sort transform](./README.md#plotsortorder-options) now supports sorting on an existing channel, avoiding the need to duplicate the channel definition. For example, to sort dots by ascending radius: