Issues

Issues

• Derived field initializers run before super(); Array#fill negative start corrupts memory; copyWithin traps when end < start

  AssemblyScript/assemblyscript#3064 · opened on Nov 9, 2026

• String#toLowerCase fails to lower final sigma after a space or non-cased character

  AssemblyScript/assemblyscript#3063 · opened on Nov 7, 2026

• Speculative type parsing in expressions does not always suppress parse errors

  AssemblyScript/assemblyscript#3062 · opened on Nov 7, 2026

• Bitwise AND on signed i8/i16 skips sign extension when one operand is wrapped or negative

  AssemblyScript/assemblyscript#3061 · opened on Nov 7, 2026

• parseFloat drops powers of 10 for 17+ digit significands with exponents 23..37

  AssemblyScript/assemblyscript#3060 · opened on Nov 7, 2026

• Explicit bool cast of u8/i8/u16/i16 does not truncate high bits

  AssemblyScript/assemblyscript#3057 · opened on Nov 7, 2026

• Classes

  AssemblyScript/assemblyscript#3052 · opened on Oct 10, 2026
  7

• "+=" for an operand with side effects causes miscompilation

  AssemblyScript/assemblyscript#3051 · opened on Oct 4, 2026

• Inlined constructor compile failed

  AssemblyScript/assemblyscript#3050 · opened on Oct 4, 2026

• <i32>I++ compile failed

  AssemblyScript/assemblyscript#3049 · opened on Oct 4, 2026

• Crash when builtin trace is used as a value in expressions

  AssemblyScript/assemblyscript#3048 · opened on Oct 3, 2026

• Crash when compiling an exported declared function with an optional parameter

  AssemblyScript/assemblyscript#3047 · opened on Oct 3, 2026

• Crash when compiling an exported declare function with a default parameter value

  AssemblyScript/assemblyscript#3046 · opened on Oct 3, 2026

• Crash on invalid abstract export class declaration inside a namespace

  AssemblyScript/assemblyscript#3045 · opened on Oct 3, 2026

• Crash on recursive generic base type

  AssemblyScript/assemblyscript#3044 · opened on Oct 3, 2026

• ASC crash when overriding a method in a class extending an undefined base class

  AssemblyScript/assemblyscript#3043 · opened on Oct 3, 2026

• TypeError: WebAssembly.compile expects a Response object in WebContainer environments

  AssemblyScript/assemblyscript#3027 · opened on Jun 11, 2026

• Transform readFile/writeFile methods are not called

  AssemblyScript/assemblyscript#3022 · opened on Apr 29, 2026
  1

• [Task] Replace Grisu2 with Xjb for float-to-string conversion

  AssemblyScript/assemblyscript#3012 · opened on Apr 10, 2026

• Feature Request: + operator should join non-string types if .toString() method exists

  AssemblyScript/assemblyscript#2991 · opened on Mar 15, 2026

• Incorrect glue code assembly. Failed to instantiate WASM.

  AssemblyScript/assemblyscript#2980 · opened on Feb 16, 2026

• A peculiar discovery, unsure if it's a bug.

  AssemblyScript/assemblyscript#2979 · opened on Jan 28, 2026

• Missing docs: override doesn't do anything in @unmanaged classes

  AssemblyScript/assemblyscript#2973 · opened on Jan 9, 2026

• Pre-initialised UTF string constants with memory.data<>

  AssemblyScript/assemblyscript#2972 · opened on Jan 9, 2026

• [bug] compiler generated override getter/setter for filed in interface incorrectly

  AssemblyScript/assemblyscript#2968 · opened on Dec 27, 2025