Issues

• StringSchema.ensure() return type drops TContext, TDefault and TFlags, which breaks addMethod(string, …) in 1.7.1

  jquense/yup#2350 · Filter by author csantos1113 opened on Oct 15, 2026

• Email regex not working

  jquense/yup#2345 · Filter by author IsbahAhmed opened on Oct 7, 2026

• date() cast mis-parses sub-3-digit fractional seconds (.5Z -> 5ms instead of 500ms)

  jquense/yup#2339 · Filter by author maximilliangrand opened on Aug 15, 2026

• Suggestion: consider using mdBook to make it easier to browse the docs

  jquense/yup#2338 · Filter by author Xaeroxe opened on Jul 31, 2026

• Standard schema always async

  jquense/yup#2318 · Filter by author literalpie opened on Feb 12, 2026
  1

• v1.7.1 tag is missing

  jquense/yup#2316 · Filter by author wand2016 opened on Jan 8, 2026

• Running tests fails with ERR_REQUIRE_ESM on Windows

  jquense/yup#2314 · Filter by author notaskhalsa opened on Dec 23, 2025
  1

• yup InferType works wrong with optional fields

  jquense/yup#2313 · Filter by author Faraz1995 opened on Dec 21, 2025
  1

• URL validation fails with localhost

  jquense/yup#2312 · Filter by author jalik opened on Nov 5, 2025
  2

• Unexpected behavior and incorrect typing when combining optional()+ ensure() / default() with strict()

  jquense/yup#2309 · Filter by author eelco opened on Sep 29, 2025

• trim, lowercase, uppercase: tries to do this even if there is no string and gets a TypeError

  jquense/yup#2303 · Filter by author fir4tozden opened on Aug 4, 2025
  1

• Can't omit field

  jquense/yup#2301 · Filter by author NikitaNS opened on Jul 30, 2025

• InferType optional field object and type are inconsistent

  jquense/yup#2297 · Filter by author aurora-lch opened on Jul 24, 2025
  1

• When does not object schemas using omit?

  jquense/yup#2286 · Filter by author Amoodaa opened on May 7, 2025

• mixed, oneOf, and SchemaOf

  jquense/yup#2284 · Filter by author alberteddu opened on Apr 11, 2025

• key undefined when using validateAt

  jquense/yup#2270 · Filter by author yuenhy opened on Feb 3, 2025

• How to easily identify the validation error if error message handling is not done right.

  jquense/yup#2265 · Filter by author rwankar opened on Jan 9, 2025

• field paths lost with lazy and dynamic keys

  jquense/yup#2257 · Filter by author franck102 opened on Nov 27, 2024
  1

• Similar keys in object schema causing field to use the wrong validation

  jquense/yup#2252 · Filter by author webdevnerdstuff opened on Oct 23, 2024
  13

• types: setLocale typescript support for added methods

  jquense/yup#2248 · Filter by author vinsjo opened on Sep 30, 2024

• About setLocale and addMethod

  jquense/yup#2247 · Filter by author aarisfauji opened on Sep 22, 2024
  2

• Freeze with string().url() validation

  jquense/yup#2244 · Filter by author thomscoder opened on Aug 28, 2024
  1

• Custom objet validation with early : false failed

  jquense/yup#2241 · Filter by author Syfele opened on Aug 9, 2024
  2

• Conditional validation between different objects

  jquense/yup#2239 · Filter by author clouds83 opened on Aug 8, 2024
  2

• Type inference for react hook form

  jquense/yup#2238 · Filter by author adenteo opened on Jul 28, 2024
  2