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Better error message when <code>data</code> directory is not found

C-Low Hanging FruitIdeal issue for new contributors.Ideal issue for new contributors.

S-ModerateThe fix or feature would substantially improve user experience.The fix or feature would substantially improve user experience.

T-CmdlineCommand-line flags and behaviorCommand-line flags and behavior

T-UIInvolves the user interface.Involves the user interface.

Z-DocumentationThis issue is about README or Wikis or Haddock or...This issue is about README or Wikis or Haddock or...

Z-FeatureA new feature to be added to the game.A new feature to be added to the game.

Z-User ExperienceThis issue seeks to make the game more enjoyable to play.This issue seeks to make the game more enjoyable to play.

Status: Open.

#2693 In swarm-game/swarm;

· byorgey opened on Mar 3, 2026

Widgets (dialog windows or panes) with tabs

Z-FeatureA new feature to be added to the game.A new feature to be added to the game.

Status: Open.

#2687 In swarm-game/swarm;

· byorgey opened on Feb 13, 2026

Fix tournament server to work with <code>import</code>

C-ProjectA larger project, more suitable for experienced contributors.A larger project, more suitable for experienced contributors.

L-ImportTo do with importing Swarm modules.To do with importing Swarm modules.

S-Nice to haveThe bug fix or feature would be nice but doesn't currently have much negative impact.The bug fix or feature would be nice but doesn't currently have much negative impact.

Z-Competitive play

Z-RefactoringThis issue is about restructuring the code without changing the behaviour to improve code quality.This issue is about restructuring the code without changing the behaviour to improve code quality.

Status: Open.

Task

#2681 In swarm-game/swarm;

· byorgey opened on Jan 26, 2026

Flag to <code>swarm format</code> to add type signatures

L-Pretty-printingPretty-printing ASTs or values into a string representation.Pretty-printing ASTs or values into a string representation.

L-Type inferenceThe process of inferring the type of a Swarm expression.The process of inferring the type of a Swarm expression.

T-UIInvolves the user interface.Involves the user interface.

Z-FeatureA new feature to be added to the game.A new feature to be added to the game.

Status: Open.

#2680 In swarm-game/swarm;

· byorgey opened on Jan 25, 2026

Move <code>Swarm.Language.*</code> modules out of <code>swarm-util</code>

S-Nice to haveThe bug fix or feature would be nice but doesn't currently have much negative impact.The bug fix or feature would be nice but doesn't currently have much negative impact.

Z-Developer ExperienceThis issue seeks to make life easier for developers writing Scenarios or other Swarm code.This issue seeks to make life easier for developers writing Scenarios or other Swarm code.

Z-RefactoringThis issue is about restructuring the code without changing the behaviour to improve code quality.This issue is about restructuring the code without changing the behaviour to improve code quality.

Status: Open.

#2677 In swarm-game/swarm;

· byorgey opened on Jan 24, 2026

Cut down length of parse errors

C-Low Hanging FruitIdeal issue for new contributors.Ideal issue for new contributors.

L-Error reportingReporting language or runtime errors to the player.Reporting language or runtime errors to the player.

L-ParsingParsing the Swarm language from a string into an AST.Parsing the Swarm language from a string into an AST.

S-ModerateThe fix or feature would substantially improve user experience.The fix or feature would substantially improve user experience.

Z-FeatureA new feature to be added to the game.A new feature to be added to the game.

Z-User ExperienceThis issue seeks to make the game more enjoyable to play.This issue seeks to make the game more enjoyable to play.

Status: Open.

Task

#2676 In swarm-game/swarm;

· byorgey opened on Jan 24, 2026

Do REPL parsing + typechecking in background thread

C-Moderate EffortShould take a moderate amount of time to address.Should take a moderate amount of time to address.

G-REPLAn issue having to do with the REPL.An issue having to do with the REPL.

L-ImportTo do with importing Swarm modules.To do with importing Swarm modules.

S-ModerateThe fix or feature would substantially improve user experience.The fix or feature would substantially improve user experience.

Z-FeatureA new feature to be added to the game.A new feature to be added to the game.

Z-User ExperienceThis issue seeks to make the game more enjoyable to play.This issue seeks to make the game more enjoyable to play.

Status: Open.

#2675 In swarm-game/swarm;

· byorgey opened on Jan 14, 2026

Control size of environment trees generated from modules

C-Moderate EffortShould take a moderate amount of time to address.Should take a moderate amount of time to address.

L-ImportTo do with importing Swarm modules.To do with importing Swarm modules.

S-ModerateThe fix or feature would substantially improve user experience.The fix or feature would substantially improve user experience.

Z-ResearchThis issue requires inventing something new and/or studying research papers for clues.This issue requires inventing something new and/or studying research papers for clues.

Status: Open.

#2674 In swarm-game/swarm;

· byorgey opened on Jan 14, 2026

Switch to <code>stm-containers</code> for <code>InternCache</code>

Z-FeatureA new feature to be added to the game.A new feature to be added to the game.

Status: Open.

#2669 In swarm-game/swarm;

· byorgey opened on Dec 22, 2025

<code>export</code> directive for re-exporting individual names or entire modules

C-Low Hanging FruitIdeal issue for new contributors.Ideal issue for new contributors.

L-ImportTo do with importing Swarm modules.To do with importing Swarm modules.

S-ModerateThe fix or feature would substantially improve user experience.The fix or feature would substantially improve user experience.

Z-FeatureA new feature to be added to the game.A new feature to be added to the game.

Status: Open.

Feature

#2664 In swarm-game/swarm;

· byorgey opened on Nov 23, 2025

Fix LSP hover to show type info for imported names

BugThe observed behaviour is incorrect or unexpected.The observed behaviour is incorrect or unexpected.

C-Moderate EffortShould take a moderate amount of time to address.Should take a moderate amount of time to address.

L-Language ServerIssues relating to the LSP implementation that talks to editors.Issues relating to the LSP implementation that talks to editors.

S-ModerateThe fix or feature would substantially improve user experience.The fix or feature would substantially improve user experience.

Status: Open.

#2663 In swarm-game/swarm;

· byorgey opened on Nov 23, 2025

New anchor type for importing relative to Swarm data directory

Z-FeatureA new feature to be added to the game.A new feature to be added to the game.

Status: Open.

#2662 In swarm-game/swarm;

· byorgey opened on Nov 23, 2025