I'm excited to share our latest research on adjusting the block gas limit. 
Together with @vitalik.eth, we're exploring paths to reduce the maximum block size, balance calldata pricing, and ultimately raise the block gas limit.

I'm excited to share our latest research on adjusting the block gas limit. 
Together with @vitalik.eth, we're exploring paths to reduce the maximum block size, balance calldata pricing, and ultimately raise the block gas limit.
https://ethresear.ch/t/on-increasing-the-block-gas-limit/18567

Gut reaction I like options #1 & #2 for simplicity 

but think #5 would have undesirable effects