Different of Formula 1

What the different of Formula 1 past  and Formula 1 now(modern)?
1.From The this engine in F1 always change.
Example:The engine V12 to V6 Turbo Engine
2.The formula 1 rear wing is change
The Rear Wing of the formula 1 cars is different.In time past,the rear wing is normal and there is the line of reare wing,but now the line is rear wing is down.
3.The rider of F1 and the team F1 is change and make the new team
4.Front wing in formula 1 past time is normal,but in the modern of the 2014-now is down of the front wing.because in front and rear wing  take effect to downforce this car
5.the tyre of Formula 1 is still the same problems of security rider.
Example:the security tyre of bridgestone is change to michelin.
But Is problem now is problem blown tyre sebastian vettel in Spa-Francorchamps GP belgium 2015 after blown tyre nico rosberg at free practice 2