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0.4.11

V 0.4.11

19 Jun 2025

Improvements in the language

• Support a new CPU architecture s390x (#24107)
• Add initial support for ppc64le (#24287)
• Add initial support for loongarch64 (#24343)
• Support js"string literal" for JavaScript strings (#24653)
• VLS mode in the parser for the new language server in pure V

Breaking changes

• Remove deprecations made before 2024-11-06
• Add a deprecation note for any arg, prevent any from being used as map key,value or array type (#24277)

Checker improvements/fixes

• Fix chan element type validation with inexistent type (fix #23978) (#24008)
• Do not allow auto (de)reference in PrefixExpr *
• Fix check for pushing on an unwrapped option array (fix #24073) (#24093)
• Fix wrong type hint on predicate arg type mismatch (fix #24122) (#24123)
• Fix array generic return checking (fix #24104) (#24214)
• Fix stack var outside usage when var is a mutable param (#24249)
• Fix codegen for multi return with array fixed (fix #24280) (#24282)
• Check anon struct field valid case (partial fix of #24284) (#24286)
• Add check for recursive array init on struct (fix #21195) (#24278)
• Fix inherited var turning in auto heap (fix #24306) (#24312)
• Remove redundant callexpr c.expr(mut node.left) rechecks for ast.CallExpr (fix #24353) (#24380)
• Do not allow &u8(0), force nil like we do with &Type(0)
• Relax the new warning, allow for pub const pname = &char(C.SDL_POINTER) to fix the clean compilation of code using vlang/sdl3
• Fix for with mut generic value (fix #24360) (#24426)
• Add check for decomposing to interface (fix #24441) (#24453)
• Fix generic option array arg passing to []T (fix #24423) (#24457)
• Fix resolver for returning struct generic (fix #24493) (#24506)
• Reallow passing closures as voidptr parameters with no warning, to enable convenient interfacing with C libs
• Disallow invalid expr for filter, count, any, all (fix #24508) (#24540)
• Replace warning by notice for UTF8 strings validation (fix #24538) (#24543)
• Revise logic for reporting import conflicts with module names (#24539)
• Fix struct update expr checking, when an alias is used (fix #24581) (#24582)
• Fix fn var resolver (fix #24525) (#24542)
• Fix checking for int to array of interface (fix #24624) (#24625)
• Cycle through all ast.ParExpr first in prefix_expr (fix #24584) (#24588)
• Move arr << logic to check_append()
• Fix mutable const bug (fix #14916)
• Allow for calling main() inside _test.v files
• Fix missing type bounding to match expr on or{} expr (fix #24656) (#24658)
• Add error for if mut x != none {, when x is an immutable option (fix #24692) (#24694)
• Fix compound selector smartcasting/option unwrapping (fix #24662) (#24712)
• Fix mutable option (fix #18818) (fix #24622) (fix #24101) (#19100)

Parser improvements

• Fix parse_cflag() support other flags between allowed_flags (fix #24121) (#24146)
• Minimise allocations done for the common case in find_struct_field
• Fix orm generic struct table type parsing (fix #24049) (#24149)
• Fix mutiple imports at one line (#24241)
• Fix range expr precedence on compound logical and operator (fix #24252) (#24275)
• Fix invalid field name checking (fix #24279) (#24283)
• Fix wrong string parsing (fix #24297) (#24298)
• Fix panic for struct Abc { pub mut: } (fix #24404) (#24403)
• Allow mut static counter := 0 inside unsafe {} blocks (prepare for removing a -translated mode quirk)
• Fix duplicate mod imports (fix #24552) (#24559)
• Reduce memory usage of ast.ScopeObject and ast.Ident instances (#24704)

Comptime

• Support $if T is $pointer { and $if T is $voidptr {, to make it easier to implement a pure V dump(), without cgen specific code (#24628)
• i32 is now $int too (fix #24346) (#24378)
• Fix $dbg with @[heap] structs (fix #23979) (#23989)
• Check invalid comptime field name assignment (fix #24415) (#24421)
• Enable s390x + docs (#24114)

Compiler internals

• Remove closure usage from the compiler frontend (simplify bootstrapping/porting on more exotic platforms)
• markused: support orm or expr (fix #24040) (#24059)
• markused: fix for gated index range on string (fix #24187) (#24200)
• v.util.version: fix output for V full version when VCURRENTHASH not defined (#24264)
• markused: fix generic method call mark (fix #24395) (#24399)
• v.pref: add get_build_facts_and_defines/0 and set_build_flags_and_defines/2
• v.util.version: fix output for V full version (followup on issue #24263 and PR #24264) (#24478)
• v.util: use internal diff (#24495)
• v.pref: prevent overriding backend (fix #21758) (#24526)
• markused: fix for generic ptr receiver on method call (fix #24555) (#24558)
• markused: fix x := t.wait(), when t := go fn () string { (fix #24577) (#24580)
• markused: fix printing smartcasted interface values (fix #24579) (#24583)
• pref: avoid changing the backend with .js.v when -backend has already been used (fix #7840) (#24654)
• Remove dump() calls inside the compiler itself (make bootstrapping of dump() implemented before cgen easier)

Standard library

• builtin: string.index_after() ?int
• cli: account for initial indent on subcommands (#23985)
• Remove strings.Builder.clear(), fix array.clear() not working in the JS backend (#23992)
• gg: make draw_rect_empty/5 draw more exact borders, independent of the device, and fitting the draw_rect_filled/5 shapes (#24024)
• sync: fix a helgrind false positive, for a data race, on PoolProcessor (#24023)
• sync.pool: restore the parallel operation (surrounding the cb call in process_in_thread in a lock in 1b52538, effectively disabled parallelism)
• x.crypto.chacha20: change internal cipher to support a 64 bit counter (related to #23904) (#24039)
• os: fix swap_bytes_u64 (#24033)
• x.crypto.chacha20: fix xor_key_stream failing after a while (fix #24043) (#24046)
• crypto.sha3: be big-endian friendly (#24045)
• x.crypto.chacha20: makes the underlying cipher routine aware of the 64-bit counter (#24050)
• x.crypto.chacha20: enable support for 64-bit counter (fix #23904) (#24053)
• x.crypto.slhdsa: add a SLH-DSA implementation, a stateless hash-based DSA, a post quantum cryptographic module (#24086)
• encoding.binary: add encode_binary()/decode_binary() generic functions (#24106)
• crypto.rc4: change the return type of new_cipher to be !&Cipher (#24113)
• crypto: add a crypto.ripemd160 module (#24119)
• encoding.iconv: fix iconv on termux (fix #23597) (#24147)
• sync: remove the call to C.pthread_rwlockattr_setpshared (not needed, since it is the default on POSIX) (#24166)
• pkgconfig, termios: Support NetBSD (#24176)
• encoding.binary: fix serialize map struct (fix #24190) (#24192)
• builtin,v.gen.wasm: support -b wasm -d no_imports (#24188)
• datatypes: add a Set.array/0 method to help get all the elements from a set as an array (#24206)
• json: fix option time (fix #24242) (fix #24175) (#24243)
• log: add local time / utc time selection support (#24268)
• json: link with libm (fix #24272) (#24273)
• rand: add uuid_v7(), session function, simplify uuid_v4() (#24313)
• toml: fix handling of multiline string with CRLF (fix #24321) (#24322)
• toml: fix crlf escape check (fix #24328) (#24329)
• x.json2: add u16(),u32() (fix #24337) (#24342)
• rand: fix uuid_v7 seperator (#24348)
• rand: check the separators for the generated UUIDs in random_identifiers_test.v
• builtin: add string.is_identifier() (#24350)
• x.crypto.chacha20: add a check counter overflow to set_counter for standard mode (#24365)
• comptime: fix $if var.return_type == 1 { (fix #24391) (#24393)
• comptime: enable ppc64le, add docs (#24433)
• toml: add compile error when passing encode/1 types of T != struct (fix #24435) (#24443)
• sync.stdatomic: workaround for libatomic.a indirect symbols tcc bug (fix #23924) (#24472)
• math.big: fix the + operator for big.Integer for negative numbers, add test (#24487)
• math.big: respect the sign of the dividend in % operator, add test (#24489)
• os: add note for the availability of the debugger_present implementation (#24492)
• term: add writeln_color() (#24463)
• math.big: add missing assert for test_multiply_karatsuba_02 (#24534)
• builtin: fix mix prod and debug ucrt lib (#24498)
• math.big: fix Karatsuba's add_in_place() function, add carry handler on exit (#24541)
• math: add exp_decay to interpolation.v (#24545)
• math.big: optimize divide_array_by_digit() (#24566)
• sync.stdatomic: add atomic types (#24561)
• sync.stdatomic: turn panic() in new_atomicT into a $compile_error() (#24573)
• sync: add condition support (#24574)
• builtin: flush stdout on panic (#24606)
• Document the behaviour of % for negative numbers; in V: -10 % 7 == -3 (#24604)
• math.big: remove unnecessary casting from Integer.is_power_of_2/0 (#24614)
• math.big: make is_power_of_2() be false for negatives (it now matches Julia's ispow2/1) (#24619)
• vlib: vanilla_http_server (#24202)
• os: support dotfiles := os.walk_ext('.', '', hidden: true) (#24617)
• builtin: remove playground related code (the current playground uses a container/sandbox) (#24632)
• comptime: fix T.indirections comparison (fix #24630) (#24636)
• math.big: add test for radix_str() and integer_from_radix() (#24644)
• runtime: make free_memory() and total_memory() return Result types to allow for reporting errors (#24651)
• math.big: improve the performance of radix_str() ~9 times (#24666)
• math.big: speed up ~10x integer_from_radix() (#24674)
• sync.stdatomic: fix bug with add() and sub() returning the new values, add voidptr support, add swap() and compare_and_swap() (#24685)
• sync.stdatomic: add atomic_thread_fence(), cpu_relax() (#24690)
• v: support @DIR (as a comptime equivalent to os.dir(@FILE)) at runtime) (#24742)
• thirdparty: print the glGetError() code on failure too in soko...

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