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Changelog

This page collects Nolang release records for each version, kept consistent with the root HISTORY.md.

v0.4.2​

  • fix(build): translate Apple LLVM target triple to zig's macos OS name for zig-based linking
  • fix(build): filter out missing -lPolly* static libraries during no-llvm static linking
  • build(ci): harden release workflow for cross-platform LLVM toolchains
  • fix(parser): correct parsing logic and add overflow wrapping indicators

v0.4.1​

  • fix(astcache): make the Tier-0 std AST blob reproducible and config-checked
  • refactor(build): embed LLVM with all backends for no-llvm releases
  • fix(parser): correct depth handling and overflow wrapping behaviors

v0.4.0​

  • feat(build): add embedded static-libLLVM variant with LLVM C API backend trimmed per host arch
  • feat(build): rework backend pipeline with single-process clang -x ir, centralized backend selection, and embedded std module list
  • feat(build): implement generic monomorphization and overload mangling
  • feat(compiler): add incremental-build AST cache (Tier 0 baked std AST + Tier 1 on-disk) and initial self-hosting compiler
  • feat(parser): enhance AST parsing for arrays, maps, slices, ranges, structs, and match expressions
  • fix(checker): inject std sig key via independent tool; hard-fail when not built with make
  • fix(mir): add percent-str-long index-store growth guard and mem-safety tests
  • fix(build): enforce compile error on unhandled out-of-bounds indexing
  • refactor(build): drop dead toOpaquePointers regex and skip the IR emit step on the C API path
  • chore(checker): remove generated stdsig_gen.go and embedded standard signatures
  • feat(parser): add doc comment attachment and method definition parsing
  • refactor(stdmodule): replace std module info slice with map KV for lookup
  • fix(build): embed std sig key in cross-compiled binaries

v0.3.19​

  • fix(os): add Windows compatibility for sysconf and getpid calls

v0.3.18​

  • fix(ci): normalize version tags by stripping multiple leading "v" characters

v0.3.17​

  • fix(build): update version handling and add Windows builtin support

v0.3.16​

  • fix(codegen): add windows unsupported checks and Linux sysctl procfs fallback
  • chore(audit): remove obsolete Nolang audit and ownership model documents
  • docs(design): add native backend (nocg/nold) forward design
  • docs(design): fix garbled text in native backend design

v0.3.15​

  • feat(mir): add an in-compiler MIR optimiser behind -opt[=N] / NOLANG_MIR_OPT
  • feat(mir): add constant folding, dead scalar elimination and control-flow cleanup passes
  • feat(mir): add integer identity rewriting (x+0, x*1, x&x, x^0, …) and constant-producing laws (x-x, x%1, …)
  • feat(mir): add per-block copy propagation and single-predecessor block merging
  • feat(codegen): drop runtime helpers nothing references when -opt=2 is on, which opt -O2 cannot do because the prelude is emitted with external linkage
  • feat(codegen): drop a removed helper's own doc comment with it, taking the one-line print('hi') module from 61,812 to 14,548 bytes (−76.5%) instead of −56.1%
  • feat(build): compare the MIR optimiser against LLVM opt -O2 on IR instructions, IR size, compile time, binary size and execution time via scripts/miropt_vs_llvm.py
  • fix(mir): keep unreachable blocks that are the sole producer of a value codegen still needs
  • fix(mir): stop copy propagation redirecting a reader through a source reassigned later in the same block
  • fix(mir): stop empty-block threading widening a block's predecessor set, which let a per-edge drop become a double free on 49 of the 631-file corpus
  • fix(mir): stop copy propagation collapsing a task-handle copy, which made a second awy read the handle slot the first had zeroed
  • refactor(checker): remove redundant hex literal check and improve type inference registration
  • fix(checker): handle implicit self float methods in type inference
  • fix(builtin): audit and fix math.pow negative base sign and builtin handling
  • refactor(std/math): remove libm dependency from math.pow implementation

v0.3.14​

  • refactor(math): remove libm dependency; implement math functions in pure Nolang
  • fix(build): link Linux native binaries with -no-pie to allow R_X86_64_32 rodata relocations
  • fix(wasm): make Writer.WriteByte match std method signature WriteByte(byte) error
  • fix(parser): add IsInferred flag for MapType and update related logic
  • docs(site): add release history page and register in sidebar

v0.3.13​

  • feat(ownership): implement hybrid ownership model with tiered soundness, deep-copy assignment rule, and precise RC handling
  • feat(mir): refine move/ownership semantics for correct drop and cloning; deep-clone vec elements and keep slice view sources alive
  • feat(mir): complete rule one for owned option and fix deep free regression
  • feat(ownership): land tier 1 owned %vec leaves for hashmap types
  • feat(number): add 128-bit integer range, sqrt, and is-prime methods
  • fix(mir): fix multiple memory leaks in string cloning and field assignment
  • fix(fmt): improve index-out annotation handling and prevent erroneous removals
  • fix(checker): support index-out annotation in LSP surface AST mode
  • perf(json): optimize memory usage by removing redundant index-out annotations
  • refactor(async): rename async-cancel primitives to cancel variants
  • docs(std): restructure math and number APIs; sync EN std docs with CN source
  • docs(ownership): document ownership model and record audit revalidation results

v0.3.12​

  • feat(json): refactor implementation with heap-allocated dynamic pool and expand node pool with overflow flag
  • fix(mir): read option payload from box under OpClone instead of memcpy of option slot
  • fix(mir): fix array literal initialization for [N]T struct fields in emitSetField
  • fix(parser): improve type resolution and remove debug logs
  • fix(match): improve enum variant lookup for function-local types
  • feat(lint): extend readdir-unfiltered lint to raw read-dir and add list-dir-unfiltered lint

v0.3.11​

  • feat(build): add global no binary reinstall in make targets
  • fix(release): make tag creation idempotent via release.py tag subcommand

v0.3.10​

  • fix(mir): add null-buffer guard for %str-long index store
  • fix(parser): prevent unsafe index lowering from corrupting formatted source
  • fix(build): preserve overflow annotations across monomorph clone and fix diagnostic source file info
  • refactor(mysql): add overflow wrap handling and improve slice safety
  • fix(bench): add overflow annotations to fib benchmarks
  • refactor(parser): align struct field comments and parser state formatting
  • chore(audit): add 2026-09-27 Nolang audit report

v0.3.9​

  • fix(mir): fix bigint bus error and implement div/mod with tests
  • fix(mir): resolve option/match LLVM backend bugs and improve global constants
  • feat(parser): add err variant destructuring binding in option matches
  • fix(checker): suppress false-positive redundant-type hints for hex arrays and relax option-vs-scalar comparison
  • fix(checker): fix string-concat overflow false positive and scope ineffective overflow lint checks with deduplication
  • feat(cmd): add AST-driven no fmt --fix=match and enhance no fmt --fix=redundant with package context
  • fix(release): refine release tag comparison and querying logic

v0.3.8​

  • fix(mir): implement truncate on windows via kernel32 instead of the nonexistent _truncate CRT symbol
  • test(mir): verify every declared windows shim symbol against the import-library export list

v0.3.7​

  • feat(fmt): support variadic print/eprint with per-argument named format templates
  • fix(builtin): remove printf and eprintf, emitting a clear compile error to guide migration
  • refactor(mir): scope module global bindings by declaring module to prevent cross-module clobbering

v0.3.6​

  • feat(mir): implement tagged enum payload ownership with phased design
  • fix(mir): complete phase 3 ownership for zero-match tagged enums
  • fix(mir): handle both OpMove encodings to fix silent double free
  • fix(mir): fix receiver write-back for set-byte on struct fields and elements
  • fix(mir,std): close the last ownership gaps; audit crypto/ for byte indexing
  • feat(mir): add Windows Winsock initialization support
  • fix(mir): skip the bare-name fallback for builtin names in resolveCallee
  • fix(checker): correct operandIntKind recursion for nested string concat chains
  • refactor(lang): remove xNN byte literal spelling from language
  • docs(design): record the resolveCallee guard and correct the mass-regression status

v0.3.5​

  • feat(mir): build the libc call spec table per target instead of at package init
  • fix(mir): substitute msvcrt entry points for realpath, touch-file, sync, stat and num-cpu on windows
  • fix(mir): use the Windows struct _stat64 layout with 16-bit st_uid and st_gid
  • feat(mir): report POSIX-only builtins at compile time instead of failing at link
  • feat(nolang-release): reuse the latest tag when its release action failed

v0.3.4​

  • feat(txt): implement code-point indexing and updating for txt type
  • docs(str): clarify difference between str and txt write semantics
  • fix(fmt): recover original match subject in bare match formatting

v0.3.3​

  • feat(compiler): implement option capture assignment
  • feat(mir): add overflow annotation support to arithmetic instructions
  • feat(platform): support cross-compilation target platform in MIR and codegen
  • fix(parser): preserve comments in option-match arms and correctly parse single-identifier condition loops
  • fix(checker): scope ASCII string variables by function and handle synthesized method receivers
  • fix(mir): deep clone borrowed %vec parameters to avoid double-free
  • refactor(txt): unify length semantics to byte-based operations
  • fix(fmt): revert boolean comparison simplification and remove irrelevant overflow annotations
  • docs(std): clarify fixed-length txt type length semantics
  • test(index): add tests for literal array indexing with option-match

v0.3.2​

  • feat(mir): implement recoverable integer division and modulo with option error handling
  • fix(parser): infer option type for signed integer division and modulo operations
  • fix(checker): add compile-time check for integer division by zero
  • fix(module): prevent bare-name hijack of std qualified calls
  • feat(nolang-docs-i18n): add English i18n documentation parity skill
  • refactor(format): automatically remove redundant type annotations
  • refactor(tests): drop tmp- and test- prefixes from corpus .no filenames
  • refactor(dataflow): remove outdated dataflow analysis documentation
  • chore(git): ignore and remove compiled python cache files

v0.3.1​

  • feat(mir): add os.args builtins and improve fs.read-file result handling
  • feat(checker): add std method parameter type checking for method calls
  • fix(fmt): preserve index-out annotations and improve blank line handling
  • refactor(checker): add file context to integer overflow lint analysis
  • refactor(cmd): remove legacy overflow migration commands and tools
  • refactor(mysql-driver): standardize loop syntax and overflow annotations
  • refactor(mir_golden): improve subset run support and update safeguards
  • docs: update control flow syntax reference and remove database and ffi builtins

v0.3.0​

  • feat(mir): make MIR the default backend and retire the legacy LLVM backend
  • feat(mir): add path-sensitive use-after-move analysis and control-flow aware drops
  • feat(mir): implement tagged enums and a configurable option inline threshold
  • feat(mir): add filesystem, POSIX and generic vec builtins
  • feat(checker): add option safety lints and tighten integer overflow checks
  • refactor(parser): represent method receivers as self out-params
  • fix(codegen): fix variadic call misclassification and scalar-to-str coercion
  • feat(std): add YAML 1.2 and TOML 1.0 parsing and generation
  • refactor(crypto): reorganize hash modules and remove deprecated AES and RSA code
  • fix(parser): correct nested if lowering for chained -> conditions
  • docs(lang): clarify str slicing, it binding rules and field annotations