Issues

• Juliac can't trim programs using Ark with world having more than 31 components

  enhancement
  ark-ecs/Ark.jl#700 · Filter by author ameligrana opened on Jul 8, 2026

• Special IsA relation

  featureperformance
  ark-ecs/Ark.jl#684 · Filter by author ameligrana opened on Jun 30, 2026
  2

• Deferred batch operations

  enhancement
  ark-ecs/Ark.jl#671 · Filter by author ameligrana opened on Jun 19, 2026

• Transform the World Storage to reduce memory consumption

  performance
  ark-ecs/Ark.jl#665 · Filter by author ameligrana opened on Jun 13, 2026
  3

• Assertion for return types in generated functions do not work

  bug
  ark-ecs/Ark.jl#623 · Filter by author ameligrana opened on May 5, 2026

• World is not costructable with a DataType component

  bug
  ark-ecs/Ark.jl#609 · Filter by author ameligrana opened on Apr 26, 2026

• Batch API for copying entities

  feature
  ark-ecs/Ark.jl#601 · Filter by author ameligrana opened on Apr 13, 2026

• Add support for Lava.jl GPU backend (when it is released)

  feature
  ark-ecs/Ark.jl#590 · Filter by author ameligrana opened on Mar 29, 2026

• Trimmed JuliaC compatibility

  feature
  ark-ecs/Ark.jl#578 · Filter by author ameligrana opened on Mar 18, 2026
  1

• OpenReality as an example of ark.jl being used in production?

  documentation
  ark-ecs/Ark.jl#551 · Filter by author sinisterMage opened on Feb 23, 2026
  3

• Unpacking optional components throws

  bug
  ark-ecs/Ark.jl#500 · Filter by author ameligrana opened on Jan 20, 2026
  1

• Allow iterating multiple times or be more strict on closed queries

  API
  ark-ecs/Ark.jl#494 · Filter by author ameligrana opened on Jan 20, 2026
  1

• AMDGPU support in GPUVector

  featureperformance
  ark-ecs/Ark.jl#478 · Filter by author ameligrana opened on Jan 11, 2026

• Feature: Sparse components

  featureperformance
  ark-ecs/Ark.jl#462 · Filter by author ameligrana opened on Dec 29, 2025
  1

• Feature: Range Queries

  feature
  ark-ecs/Ark.jl#434 · Filter by author ameligrana opened on Dec 19, 2025
  3

• Feature: World with components definable after initialization

  feature
  ark-ecs/Ark.jl#431 · Filter by author ameligrana opened on Dec 18, 2025
  3

• Recoverable batch operation errors?

  enhancement
  ark-ecs/Ark.jl#412 · Filter by author mlange-42 opened on Dec 12, 2025

• Fix or report JET error on batch exchange_components!

  infrastructure
  ark-ecs/Ark.jl#410 · Filter by author mlange-42 opened on Dec 11, 2025

• Query from filter iteration slower than query from types

  bughelp wantedperformance
  ark-ecs/Ark.jl#387 · Filter by author mlange-42 opened on Dec 6, 2025

• Add demo(s) for entity relationships

  documentationgood first issue
  ark-ecs/Ark.jl#374 · Filter by author mlange-42 opened on Dec 4, 2025 · v0.3.0

• Investigate JET (false positive) complains about type stability

  infrastructure
  ark-ecs/Ark.jl#310 · Filter by author ameligrana opened on Nov 19, 2025

• Feature: World serialization

  feature
  ark-ecs/Ark.jl#295 · Filter by author mlange-42 opened on Nov 13, 2025
  1

• Pretty-Printing for Types

  APIenhancement
  ark-ecs/Ark.jl#252 · Filter by author ameligrana opened on Nov 8, 2025
  4

• Wild performance degradation on a random CI run

  buginfrastructureperformance
  ark-ecs/Ark.jl#227 · Filter by author mlange-42 opened on Nov 6, 2025
  3

• Optimize event observers/callbacks

  help wantedperformance
  ark-ecs/Ark.jl#210 · Filter by author mlange-42 opened on Nov 5, 2025
  2