CSS ID gone, Block Name purpose unclear

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It looks like the ability to specify a CSS ID in the block Design dialog has been removed in 5.7. There is something called "Block Name" but what I specify there doesn't show up in the page source, and I can specify the same Block Name for different blocks (which seems like it shouldn't be allowed?). I've looked over the documentation and the source but I'm not sure how Block Name should be used, except through database interaction. Any insight?

 
andrew replied on at Permalink Best Answer Reply
andrew
Block name is something only developers really have had need of. You can "name" a block and then refer to it programmatically in your code. It's not really a feature that is needed too often anymore, since we have stacks which can accomplish the same thing.

In the future we will be releasing a separate "Advanced" or "developer" menu option for block-level caching options, and we will move block name over to this area.
mhvirtual replied on at Permalink Reply
Ok, thank you, Andrew. For the purpose of front end development, I hope the advanced/developer menu will include CSS ID and Class Name fields.