The shape of things to come
Definition 1 of 1
Pro Tip 1/3Future Predictions
Used when suggesting how current trends might influence the future, often hinting at significant changes or advancements. 
The prototype car they unveiled is the shape of things to come in the auto industry.
Pro Tip 2/3Not Literal
The phrase is figurative and doesn't refer to the physical 'shape' but rather the condition or circumstances that might appear. 
With virtual reality becoming popular, this is just the shape of things to come in gaming.
Pro Tip 3/3Neutral Tone
The phrase doesn't suggest if the outcome is good or bad, it simply indicates future possibilities based on current evidence. 
These policies are troubling; they may be the shape of things to come in politics.