"Real breakthrough" refers to a significant and important discovery or achievement that brings about a major positive change or advancement. Full definition
The prospects for real breakthroughs in religious unity seemed excellent at the very time that America was becoming a predominantly urban nation. (religion-online.org)
The first real breakthrough comes when the team is able to resurrect a dead dog, but as they begin to slowly discover, what came back isn't exactly the same as the dog that perished. (screenrant.com)
The pressure for instant gratification is at odds with the, intuitive termite - like digging in the dark that we associate with people who make real breakthroughs. (artagencypartners.com)