Added '196: Collapsible heatmap lanes' to the release notes.
Added '196: Collapsible heatmap lanes' to the release notes.

lshift/diffa,lshift/diffa,0x6e6562/diffa,0x6e6562/diffa,0x6e6562/diffa,lshift/diffa,0x6e6562/diffa,lshift/diffa,lshift/diffa