vyperlang/vyper v0.3.8 on GitHub

What's Changed

Non-breaking changes and improvements:

transient storage keyword (#3373)
ternary operators (#3398)
raw_revert() builtin (#3136)
shift operators (#3019)
make send() gas stipend configurable (#3158)
use new push0 opcode (#3361)
python 3.11 support (#3129)
drop support for python 3.8 and 3.9 (#3325)
build for aarch64 (#2687)

Major refactoring PRs:

refactor front-end type system (#2974)
merge front-end and codegen type systems (#3182)
simplify GlobalContext (#3209)
remove FunctionSignature (#3390)

Notable fixes:

assignment when rhs is complex type and references lhs (#3410)
uninitialized immutable values (#3409)
success value when mixing max_outsize=0 and revert_on_failure=False (GHSA-w9g2-3w7p-72g9)
block certain kinds of storage allocator overflows (GHSA-mgv8-gggw-mrg6)
store-before-load when a dynarray appears on both sides of an assignment (GHSA-3p37-3636-q8wv)
bounds check for loops of the form for i in range(x, x+N) (GHSA-6r8q-pfpv-7cgj)
alignment of call-site posargs and kwargs for internal functions (GHSA-ph9x-4vc9-m39g)
batch nonpayable check for default functions calldatasize < 4 in (#3104, #3408, cf. GHSA-vxmm-cwh2-q762)

Other docs updates, chores and fixes:

call graph stability (#3370)
fix vyper-serve output (#3338)
add custom: natspec tags (#3403)
add missing pc maps to vyper_json output (#3333)
fix constructor context for internal functions (#3388)
add deprecation warning for selfdestruct usage (#3372)
add bytecode metadata option to vyper-json (#3117)
fix compiler panic when a break is outside of a loop (#3177)
fix complex arguments to builtin functions (#3167)
add support for all types in ABI imports (#3154)
disable uadd operator (#3174)
block bitwise ops on decimals (#3219)
raise UNREACHABLE (#3194)
allow enum as mapping key (#3256)
block boolean not operator on numeric types (#3231)
enforce that loop's iterators are valid names (#3242)
fix typechecker hotspot (#3318)
rewrite typechecker journal to handle nested commits (#3375)
fix missing pc map for empty functions (#3202)
guard against iterating over empty list in for loop (#3197)
skip enum members during constant folding (#3235)
bitwise not constant folding (#3222)
allow accessing members of constant address (#3261)
guard against decorators in interface (#3266)
fix bounds for decimals in some builtins (#3283)
length of literal empty bytestrings (#3276)
block empty() for HashMaps (#3303)
fix type inference for empty lists (#3377)
disallow logging from pure, view functions (#3424)
improve optimizer rules for comparison operators (#3412)
deploy to ghcr on push (#3435)
add note on return value bounds in interfaces (#3205)
index id param in URI event of ERC1155ownable (#3203)
add missing asset function to ERC4626 built-in interface (#3295)
clarify skip_contract_check=True can result in undefined behavior (#3386)
add custom NatSpec tag to docs (#3404)
fix uint256_addmod doc (#3300)
document optional kwargs for external calls (#3122)
remove slice() length documentation caveats (#3152)
fix docs of blockhash to reflect revert behaviour (#3168)
improvements to compiler error messages by (#3121, #3134, #3312, #3304, #3240, #3264, #3343, #3307, #3313 and #3215)

These are really just the highlights, as many other bugfixes, docs updates and refactoring (over 150 commits!) made it into this release! Special thanks to contributions from @tserg, @trocher, @z80dev, @emc415 and @benber86

New Contributors

@omahs made their first contribution in #3128
@ObiajuluM made their first contribution in #3124
@trocher made their first contribution in #3134
@ozmium22 made their first contribution in #3149
@ToonVanHove made their first contribution in #3168
@emc415 made their first contribution in #3158
@lgtm-com made their first contribution in #3147
@tdurieux made their first contribution in #3224
@victor-ego made their first contribution in #3263
@miohtama made their first contribution in #3257
@kelvinfan001 made their first contribution in #2687

Full Changelog: v0.3.7...v0.3.8