C++26 Is Finalized: What Shipped, What Didn't, and What It Means
C++26 was voted out in March 2026. Contracts, reflection, and sender/receiver all shipped. I fed every major feature through GCC 15 and Clang 21 to see what actually compiles today.
#Contracts
2 articles
Contracts in C++26: What They Check, What They Cost, When to Use Them
That's GCC 15.2.1, `-O2 -std=c++26`, on an i7-4790 at 3.6 GHz. The function under test does one multiply. One precondition is checked.