Heatmap bug in 3.21.0

[konradstrek]

Using version: 3.21.0

Hover on squares is bugged - some squares are too much to left and right and some are at the center
Color - Empty value have is now filled, previously was white

Preview: https://ibb.co/txBjsvs

[junedchhipa]

Can you please create a Codepen so it can be reproduced easily?

[junedchhipa]

You're right. I have corrected the shade for the heatmap.
Will be available in next release.