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IMPOSSIBLE <code>conApp</code> when applying record module defined in parametrised module

falseProof of the empty type which checks without known-unsafe flags (e.g. without --type-in-type)Proof of the empty type which checks without known-unsafe flags (e.g. without --type-in-type)

internal-errorConcerning internal errors of AgdaConcerning internal errors of Agda

modulesIssues relating to the module systemIssues relating to the module system

record modulesProblems with the modue implicitly declared by record declarationsProblems with the modue implicitly declared by record declarations

regression on masterUnreleased regression in development version (Change to "regression in ..." should it be released!)Unreleased regression in development version (Change to "regression in ..." should it be released!)

Status: Open.

#8443 In agda/agda;

· plt-amy opened on Mar 2, 2026

·  

2.9.0

Cubical Agda prints <code>IsOne (A ∨ ~ A)</code> in an error where <code>A : Set</code>

cubicalCubical Agda paraphernalia: Paths, Glue, partial elements, hcomp, transpCubical Agda paraphernalia: Paths, Glue, partial elements, hcomp, transp

de-BruijnInternal problems with variable scoping ("de Bruijn indices")Internal problems with variable scoping ("de Bruijn indices")

ux: error reportingIssues to do with how Agda reports errorsIssues to do with how Agda reports errors

Status: Open.

Bug

#8440 In agda/agda;

· andreasabel opened on Mar 1, 2026

JS Backend: Missing support for FOREIGN JS pragma

Status: Open.

#8429 In agda/agda;

· stickyPiston opened on Feb 27, 2026

Shadowed variable names are printed inconsistently

regression in 2.6.0Regression that first appeared in Agda 2.6.0Regression that first appeared in Agda 2.6.0

shadowingProblems caused by re-using names in the surface syntaxProblems caused by re-using names in the surface syntax

type: discussionDiscussions about Agda's design and implementationDiscussions about Agda's design and implementation

ux: printingIssues relating to how terms are printed for displayIssues relating to how terms are printed for display

Status: Open.

#8427 In agda/agda;

· ncfavier opened on Feb 26, 2026

GHC backend: translate builtin NAT to Numeric.Natural? (not Integer)

Status: Open.

#8424 In agda/agda;

· jwaldmann opened on Feb 25, 2026

Direct support for <code>[]-cong</code>

erasure

language changeChanges to the language which can be observed by Agda's userbaseChanges to the language which can be observed by Agda's userbase

type: enhancementIssues and pull requests about possible improvementsIssues and pull requests about possible improvements

Status: Open.

#8420 In agda/agda;

· nad opened on Feb 25, 2026

·  

2.10.0

Go-to-definition fails for certain parts of certain names

agda-modeIssues relating to the Emacs agda2-modeIssues relating to the Emacs agda2-mode

regression on masterUnreleased regression in development version (Change to "regression in ..." should it be released!)Unreleased regression in development version (Change to "regression in ..." should it be released!)

type: bugIssues and pull requests about actual bugsIssues and pull requests about actual bugs

ux: emacsIssues relating to the Emacs agda2-modeIssues relating to the Emacs agda2-mode

Status: Open.

#8419 In agda/agda;

· nad opened on Feb 24, 2026

·  

2.9.0

Normalise Blocker expressions

constraintsConstraints (postponed type checking problems, postponed unification problems, instance constraints)Constraints (postponed type checking problems, postponed unification problems, instance constraints)

metaMetavariables, insertion of implicit arguments, etcMetavariables, insertion of implicit arguments, etc

type: enhancementIssues and pull requests about possible improvementsIssues and pull requests about possible improvements

Status: Open.

#8418 In agda/agda;

· jespercockx opened on Feb 23, 2026

Strange type check expense using Agda-2.8.0

Status: Open.

#8412 In agda/agda;

· mechvel opened on Feb 20, 2026

Allow type-setting backends to run in the presence of error warnings?

backend: latexLaTeX generation backendLaTeX generation backend

ux: warningsIssues relating to the reporting of warningsIssues relating to the reporting of warnings

Status: Open.

Feature

#8408 In agda/agda;

· andreasabel opened on Feb 18, 2026

absBody considered harmful

performanceSlow type checking, interaction, compilation or execution of Agda programsSlow type checking, interaction, compilation or execution of Agda programs

Status: Open.

#8403 In agda/agda;

· AndrasKovacs opened on Feb 17, 2026

JS backend: use tagged arrays instead of Scott encoding for data types

Status: Open.

#8398 In agda/agda;

· comonoid opened on Feb 15, 2026