Issues

• malli.util/keys does not work with :merge

  enhancement
  metosin/malli#1310 · Filter by author devurandom opened on Aug 20, 2026
  2

• Hide parts of schema in OpenAPI spec

  enhancementhelp wanted
  metosin/malli#1309 · Filter by author devurandom opened on Aug 18, 2026
  1

• Optimization: share Schema objects between property registry and body

  Clojurists Togetherenhancement
  metosin/malli#1294 · Filter by author frenchy64 opened on Jun 28, 2026
  

• Optimization: share Schema objects within property registry

  Clojurists Togetherenhancement
  metosin/malli#1293 · Filter by author frenchy64 opened on Jun 28, 2026
  

• Optimization: reuse into-schema result in same scope

  Clojurists Togetherenhancement
  metosin/malli#1292 · Filter by author frenchy64 opened on Jun 28, 2026
  

• Bounded integer generator not evenly distributed

  metosin/malli#1291 · Filter by author frenchy64 opened on Jun 17, 2026

• Cannot distinguish between key or val error with :map-of humanization

  metosin/malli#1290 · Filter by author frenchy64 opened on Jun 14, 2026

• JSON Schema If-Then-Else conditional construct support

  metosin/malli#1287 · Filter by author esuomi opened on May 10, 2026

• Improved explanation for :decode/x and decoders / transformers

  documentation
  metosin/malli#1282 · Filter by author Deraen opened on Apr 30, 2026

• Full support for decimal

  enhancementhelp wanted
  metosin/malli#1272 · Filter by author bsless opened on Apr 1, 2026
  1

• StackOverflow error related to malli.core/register-function-schema

  bug
  metosin/malli#1253 · Filter by author samuelludwig opened on Jan 8, 2026
  4

• JSONSchema transformation of discriminated unions behaves differently from Zod

  enhancement
  metosin/malli#1246 · Filter by author newageoflight opened on Dec 4, 2025

• Support ISO 8601 strings in malli.experimental.time/schemas

  enhancement
  metosin/malli#1238 · Filter by author devurandom opened on Oct 31, 2025
  1

• Implement -parse-info for sequence regexes

  enhancementhelp wanted
  metosin/malli#1230 · Filter by author frenchy64 opened on Oct 16, 2025
  1

• Property Registries should allow IntoSchema instances

  enhancement
  metosin/malli#1181 · Filter by author ikitommi opened on Mar 26, 2025

• Pretty Printer StackOverflows on schema

  question
  metosin/malli#1149 · Filter by author iwillig opened on Dec 13, 2024
  3

• Opaque assertion errors with infinite bounds

  generator
  metosin/malli#1133 · Filter by author frenchy64 opened on Nov 24, 2024

• Opaque such-that error when using ##NaN as bound

  generatorhelp wanted
  metosin/malli#1130 · Filter by author frenchy64 opened on Nov 24, 2024
  

• Double generator fails if {:max (- Double/MAX_VALUE)}

  buggeneratorhelp wanted
  metosin/malli#1128 · Filter by author frenchy64 opened on Nov 24, 2024

• Nested map with invalid value breaks strip-extra-keys-transformer when using map-of

  enhancement
  metosin/malli#1118 · Filter by author bgalartza opened on Nov 11, 2024
  4

• time humanize error brings "unknown error"

  help wanted
  metosin/malli#1114 · Filter by author awb99 opened on Oct 14, 2024
  3

• :merge with registries does not round-trip

  bug
  metosin/malli#1088 · Filter by author frenchy64 opened on Aug 9, 2024
  2

• :? doesn't work properly in function schemas in cljs

  bugclojurescript
  metosin/malli#1063 · Filter by author simonacca opened on May 31, 2024
  1

• plantuml and dot transform fail with custom registry

  bughelp wanted
  metosin/malli#1060 · Filter by author ieugen opened on May 19, 2024
  1

• Add :min/:max limits to :map validator

  enhancement
  metosin/malli#1056 · Filter by author irigarae opened on May 10, 2024
  1