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Rhai-like API

api-designPublic API ergonomics or shapePublic API ergonomics or shape

area/host-apiLua/Executor/Context public APILua/Executor/Context public API

enhancementNew feature or requestNew feature or request

priority/mediumUseful improvementUseful improvement

Status: Open.

#59 In xacrimon/tcvm;

· xacrimon opened on May 6, 2026

Coroutine/suspend

area/host-apiLua/Executor/Context public APILua/Executor/Context public API

area/vmVM interpreter and dispatchVM interpreter and dispatch

missing-featureFunctionality gapFunctionality gap

priority/highReal bug or blocking gapReal bug or blocking gap

Status: Open.

#56 In xacrimon/tcvm;

· xacrimon opened on May 5, 2026

Lower IC access cost

area/vmVM interpreter and dispatchVM interpreter and dispatch

optimizationPerformance / bytecode densityPerformance / bytecode density

priority/mediumUseful improvementUseful improvement

Status: Open.

#55 In xacrimon/tcvm;

· xacrimon opened on May 5, 2026

Ensure we properly implement metamethods

area/vmVM interpreter and dispatchVM interpreter and dispatch

correctnessProduces wrong output without crashingProduces wrong output without crashing

missing-featureFunctionality gapFunctionality gap

priority/highReal bug or blocking gapReal bug or blocking gap

Status: Open.

#53 In xacrimon/tcvm;

· xacrimon opened on May 5, 2026

Implement weak tables

area/gcDMM garbage collectorDMM garbage collector

missing-featureFunctionality gapFunctionality gap

priority/mediumUseful improvementUseful improvement

Status: Open.

#52 In xacrimon/tcvm;

· xacrimon opened on May 5, 2026

nbody PR cleanup

cleanupCode quality / clippy / refactorCode quality / clippy / refactor

priority/highReal bug or blocking gapReal bug or blocking gap

trackingMeta / tracking issue covering several subitemsMeta / tracking issue covering several subitems

Status: Open.

#50 In xacrimon/tcvm;

· xacrimon opened on May 1, 2026

Tail-call optimisation incorrectly applied to parenthesised return (f())

area/compilerCompiler / codegen / parserCompiler / codegen / parser

bugSomething isn't workingSomething isn't working

correctnessProduces wrong output without crashingProduces wrong output without crashing

priority/mediumUseful improvementUseful improvement

Status: Open.

#48 In xacrimon/tcvm;

· xacrimon opened on Apr 25, 2026

Metamethod lookup ignores userdata and string metatables

area/vmVM interpreter and dispatchVM interpreter and dispatch

missing-featureFunctionality gapFunctionality gap

priority/mediumUseful improvementUseful improvement

Status: Open.

#47 In xacrimon/tcvm;

· xacrimon opened on Apr 25, 2026

Variadic call combined with __call metamethod is unsupported

area/vmVM interpreter and dispatchVM interpreter and dispatch

missing-featureFunctionality gapFunctionality gap

priority/lowPolish / nice to havePolish / nice to have

Status: Open.

#46 In xacrimon/tcvm;

· xacrimon opened on Apr 25, 2026

Implement __close metamethod invocation when TBC vars go out of scope

area/vmVM interpreter and dispatchVM interpreter and dispatch

missing-featureFunctionality gapFunctionality gap

priority/mediumUseful improvementUseful improvement

Status: Open.

#45 In xacrimon/tcvm;

· xacrimon opened on Apr 25, 2026

op_error reports PC=0 instead of the faulting instruction

area/vmVM interpreter and dispatchVM interpreter and dispatch

bugSomething isn't workingSomething isn't working

priority/lowPolish / nice to havePolish / nice to have

Status: Open.

#44 In xacrimon/tcvm;

· xacrimon opened on Apr 25, 2026

ThreadState: custom Collect impl to drop dead stack slots

area/gcDMM garbage collectorDMM garbage collector

area/vmVM interpreter and dispatchVM interpreter and dispatch

optimizationPerformance / bytecode densityPerformance / bytecode density

priority/lowPolish / nice to havePolish / nice to have

Status: Open.

#43 In xacrimon/tcvm;

· xacrimon opened on Apr 25, 2026