Please add to this.

• checked arithmetic #1319
• Make sure Mac/Windows fe binary installation and IDE extension startup are working #1312
• Array lowering #1186
• mut/ref/own and borrow checking #1236
• lib: support sol dynamically-sized abi encode/decode #1203
• const/immutable contract fields #1204
• test and fix yul codegen name conflicts #1195
• fe build #1157
• Basic workspace support #1194
• fe new or fe init command #1206
• support trait-based for loop iteration #1207
• init args code offset is wrong when there are embedded child contracts #1212
• Typecasting features #1084
• Adds proper EVM event logging support #1224
• packed storage #1241
• std lib: high-level calldata decode function
• std lib: recv "fallback" type
• abi encode/decode polish
• lib cleanup, std prelude #1228
• nicer way to specify sol-compatible selector (eg #[selector = sol("transfer(address,uint256)")]) const fn support, #[selector = sol("foo()")] attribute #1216
• bundle langauge server with fe binary #1256
• fe new: better default content #1235
• semicolons?! #1255
• storage map with implicit "salt" value "const holes": const generic slot number inference for contract fields #1278
• tree-sitter cleanup #1244