It will also include several new and incompatible protocol rules, perhaps most importantly an increased block size limit. (bitcoinmagazine.com)
A number of proposals have been made to deal with transaction processing over the years, often focusing on increasing block size. (investopedia.com)
Their max block size of 4 MB allows a higher number of transactions within a block which ultimately makes the network a lot faster. (investinblockchain.com)