Issues

• flatten: an explicit empty enum is dropped when merging allOf

  oasdiff/oasdiff#1262 · Filter by author reuvenharrison opened on Sep 17, 2026

• flatten: one unmergeable property aborts the whole document

  oasdiff/oasdiff#1261 · Filter by author reuvenharrison opened on Sep 17, 2026
  2

• diff, changelog and breaking overflow the stack on a spec with a callback cycle

  oasdiff/oasdiff#1257 · Filter by author reuvenharrison opened on Sep 16, 2026

• changelog: group a change reached through many paths into one entry per operation

  oasdiff/oasdiff#1256 · Filter by author reuvenharrison opened on Sep 15, 2026
  1

• Define the review and annotation experience for transformed comparisons (--flatten-allof and friends)

  oasdiff/oasdiff#1247 · Filter by author reuvenharrison opened on Sep 13, 2026

• flatten: replace redirectSchemaRefs reflection with kin's SchemaRef.WalkSubtree

  oasdiff/oasdiff#1239 · Filter by author reuvenharrison opened on Sep 11, 2026
  1

• prefixItems: carry the non-equivalence witness from the diff to the message and verdict

  oasdiff/oasdiff#1201 · Filter by author reuvenharrison opened on Aug 30, 2026

• Degenerate boolean schemas misreport at every schema-slot existence check, not only media types

  oasdiff/oasdiff#1199 · Filter by author reuvenharrison opened on Aug 30, 2026

• checks explain <id>: say what a check does and why it has its severity

  oasdiff/oasdiff#1197 · Filter by author reuvenharrison opened on Aug 30, 2026

• itemSchema existence changes do not classify the degenerate schemas

  oasdiff/oasdiff#1196 · Filter by author reuvenharrison opened on Aug 30, 2026

• validate: cross-check minItems and maxItems against the prefixItems length

  oasdiff/oasdiff#1181 · Filter by author reuvenharrison opened on Aug 25, 2026

• checker: security scheme wire fields (apiKey name/in, http scheme, openIdConnectUrl) are not checked

  oasdiff/oasdiff#1175 · Filter by author reuvenharrison opened on Aug 20, 2026

• checker: media type itemSchema is only checked for existence (OpenAPI 3.2)

  oasdiff/oasdiff#1167 · Filter by author reuvenharrison opened on Aug 16, 2026

• checker: parameters using the content form are not checked

  oasdiff/oasdiff#1166 · Filter by author reuvenharrison opened on Aug 16, 2026

• checker: multipart and form encoding metadata is not checked

  oasdiff/oasdiff#1165 · Filter by author reuvenharrison opened on Aug 16, 2026

• checker: parameter serialization keywords (style, explode, allowReserved) are not checked

  oasdiff/oasdiff#1164 · Filter by author reuvenharrison opened on Aug 16, 2026

• checker: path-level parameter modifications and removals are not checked

  oasdiff/oasdiff#1163 · Filter by author reuvenharrison opened on Aug 16, 2026

• checker: response header schemas are only checked for type, format, and nullable

  oasdiff/oasdiff#1162 · Filter by author reuvenharrison opened on Aug 16, 2026

• checker: callbacks are not checked

  oasdiff/oasdiff#1161 · Filter by author reuvenharrison opened on Aug 16, 2026

• checker: changes inside webhook operations are not checked

  oasdiff/oasdiff#1160 · Filter by author reuvenharrison opened on Aug 16, 2026

• Add x-stability-level and x-sunset to OpenAPI extension registry

  oasdiff/oasdiff#1148 · Filter by author egrimstad opened on Aug 13, 2026
  1

• Support source locations (line and column) for specs in JSON format

  enhancement
  oasdiff/oasdiff#1128 · Filter by author reuvenharrison opened on Jul 27, 2026

• Response header schema checks: remaining slices

  oasdiff/oasdiff#1117 · Filter by author reuvenharrison opened on Jul 24, 2026
  1

• checker: classify a sub-schema added or removed (items, additionalProperties, not, ...), follow-up to #1050

  oasdiff/oasdiff#1054 · Filter by author reuvenharrison opened on Jun 27, 2026
  1

• checker: report single->oneOf wrapping accurately (keep the breaking verdict, fix the message), supersedes #1022

  oasdiff/oasdiff#1037 · Filter by author reuvenharrison opened on Jun 22, 2026
  2