• Is it time to upgrade?
• Improvements Over Stage1
• Falling Short of Stage1
• How to Upgrade
• Function Pointers
• {} vs .{}
• Address-of Temporaries Now Produces Const Pointers
• Pointers to Zero-Bit Types are No Longer Themselves Zero-Bit Types
• Escaped Pointer to Parameter
• Runtime Slice Concatenation & Multiplication
• Using builtin.zig_backend