Clean up old versions of components in both chrome&imageloader. For now it got cleaned up at restart but we can optimize this to be instant.
 

Clean up old versions of components in both chrome&imageloader. For now it got cleaned up at browser (ui)restart but we can optimize this to be instant.
 

For now it got cleaned up at browser (ui)restart but we can optimize this to be instant. 

However, certain components need A/B update which means historical versions can't be deleted until the new component is used successfully for at least once.