Previous value: -"Abstract when deposited by the publisher. Many records lack abstracts. Publishers deposit it as JATS XML, so this is the text of that deposit with markup removed and character references decoded; a link keeps its tag only where its href holds an address the text it wraps does not already carry, and each formula appears once — MathML as the TeX annotation it carries, otherwise written out linearly (x_i, A^{−1}, √(m), (a+b)/c), and TeX deposited beside MathML in whichever notation comes first."New value: +"Abstract when deposited by the publisher. Many records lack abstracts. Publishers deposit it as JATS XML, so this is the text of that deposit with markup removed and character references decoded; numeric JATS superscripts retain caret notation (10^{16}, GeV^2), a link keeps its tag only where its href holds an address the text it wraps does not already carry, and each formula appears once — MathML as the TeX annotation it carries, otherwise written out linearly (x_i, A^{−1}, √(m), (a+b)/c), and TeX deposited beside MathML in whichever notation comes first."

Added value: +{
+  "description": "License start date-time as deposited by the publisher",
+  "type": "string"
+}

Added value: +{
+  "description": "Content version of the linked manuscript as deposited (e.g. vor, am)",
+  "type": "string"
+}

Previous value: -"Maximum number of authors to return in one page (1–500, default 25). Ordinary records fit in a single page; large-collaboration papers in particle physics and genomics deposit thousands."New value: +"Maximum number of authors to return in one page (1–500 per call, default 25). A larger value, up to 100000, returns 500 and says so in notice; nextOffset continues after the authors returned. Ordinary records fit in a single page; large-collaboration papers in particle physics and genomics deposit thousands."

Previous value: -500New value: +100000

Previous value: -"When updatedBy is present, the update types Crossref records for this work with the source of each, and where the notice is read. Then which authors this page covers and the offset that reaches the next ones, or an explanation when the requested offset is past the end of the author list. Both share this one string when both apply. Absent when the page holds the whole author list and no update is recorded."New value: +"When updatedBy is present, the update types Crossref records for this work with the source of each, and where the notice is read. Then, when limit was above its per-call cap, the value requested and the cap applied. Then which authors this page covers and the offset that reaches the next ones, or an explanation when the requested offset is past the end of the author list. All share this one string when more than one applies. Absent when the page holds the whole author list, no update is recorded, and limit was within its cap."

Previous value: -"Abstract when deposited by the publisher. Many records lack abstracts. Publishers deposit it as JATS XML, so this is the text of that deposit with markup removed and character references decoded; a link keeps its tag only where its href holds an address the text it wraps does not already carry, and a formula the deposit encodes more than once — TeX beside MathML — appears once, in the first notation deposited."New value: +"Abstract when deposited by the publisher. Many records lack abstracts. Publishers deposit it as JATS XML, so this is the text of that deposit with markup removed and character references decoded; a link keeps its tag only where its href holds an address the text it wraps does not already carry, and each formula appears once — MathML as the TeX annotation it carries, otherwise written out linearly (x_i, A^{−1}, √(m), (a+b)/c), and TeX deposited beside MathML in whichever notation comes first."

Added value: +{
+  "description": "Article number, deposited by journals that number articles instead of paging them",
+  "type": "string"
+}

Added value: +{
+  "description": "Editors of the work, or of the book or proceedings containing it, in the entry shape authors use. Returned whole — never paged by offset and limit, and never counted in authorCount. Omitted when the record deposits none.",
+  "items": {
+    "additionalProperties": false,
+    "description": "Author or contributor",
+    "properties": {
+      "affiliation": {
+        "description": "Institutional affiliations",
+        "items": {
+          "additionalProperties": false,
+          "description": "Affiliation",
+          "properties": {
+            "name": {
+              "description": "Affiliation name as deposited. Absent when the publisher asserted the organization by identifier alone, where ror carries it instead.",
+              "type": "string"
+            },
+            "ror": {
+              "description": "ROR identifier for the affiliated organization, when the deposit carries one. It is the whole identity of an affiliation deposited without a name.",
+              "type": "string"
+            }
+          },
+          "type": "object"
+        },
+        "type": "array"
+      },
+      "family": {
+        "description": "Family (last) name",
+        "type": "string"
+      },
+      "given": {
+        "description": "Given (first) name",
+        "type": "string"
+      },
+      "name": {
+        "description": "Name when no given/family split is available",
+        "type": "string"
+      },
+      "orcid": {
+        "description": "ORCID identifier URI",
+        "type": "string"
+      },
+      "sequence": {
+        "description": "Author order role (first, additional)",
+        "type": "string"
+      }
+    },
+    "type": "object"
+  },
+  "type": "array"
+}

Added value: +{
+  "description": "ISBN(s) as deposited — for a book chapter, those of the containing book. Omitted when the record deposits none.",
+  "items": {
+    "type": "string"
+  },
+  "type": "array"
+}

Added value: +{
+  "description": "Issue of the container the work appears in",
+  "type": "string"
+}

Previous value: -"Which authors this page covers and the offset that reaches the next ones, or an explanation when the requested offset is past the end of the author list. Absent when the page holds the whole list."New value: +"When updatedBy is present, the update types Crossref records for this work with the source of each, and where the notice is read. Then which authors this page covers and the offset that reaches the next ones, or an explanation when the requested offset is past the end of the author list. Both share this one string when both apply. Absent when the page holds the whole author list and no update is recorded."

Added value: +{
+  "description": "Page range as deposited, e.g. \"357-362\"",
+  "type": "string"
+}

Added value: +{
+  "description": "Related identifiers — preprints and published versions, other versions, reviews, supplements, parts — grouped by relation type, identifier type, and asserting party, groups in Crossref's order and ids in deposited order. Returned whole. Omitted when the record deposits none.",
+  "items": {
+    "additionalProperties": false,
+    "description": "Related identifiers sharing one relation type, identifier type, and asserting party",
+    "properties": {
+      "assertedBy": {
+        "description": "Whose deposit asserts the relation: subject (this work's depositor) or object (the related record's depositor, whose assertion Crossref shows here inverted)",
+        "type": "string"
+      },
+      "idType": {
+        "description": "Identifier scheme of ids: doi, uri, pmid, arxiv, accession, issn, isbn, or other",
+        "type": "string"
+      },
+      "ids": {
+        "description": "Related identifiers in deposited order. A DOI resolves through crossref_get_work only when Crossref registered it; one registered with another agency, such as DataCite, returns doi_not_found there.",
+        "items": {
+          "type": "string"
+        },
+        "type": "array"
+      },
+      "type": {
+        "description": "Relation type as deposited, read from this work toward ids: is-preprint-of, has-preprint, is-version-of, has-version, has-review, is-supplemented-by, references, has-part, and others",
+        "type": "string"
+      }
+    },
+    "required": [
+      "type",
+      "idType",
+      "assertedBy",
+      "ids"
+    ],
+    "type": "object"
+  },
+  "type": "array"
+}

Added value: +{
+  "description": "Works this record is an update notice for, in the entry shape updatedBy uses and in deposited order. Omitted when the record is not registered as a notice.",
+  "items": {
+    "additionalProperties": false,
+    "description": "Update link",
+    "properties": {
+      "doi": {
+        "description": "DOI on the other side of the link: the notice, in updatedBy; the updated work, in updateTo. It is this work's own DOI when the update was made to this record in place.",
+        "type": "string"
+      },
+      "recordId": {
+        "description": "Retraction Watch record ID. Present only on retraction-watch entries.",
+        "type": "string"
+      },
+      "source": {
+        "description": "Who recorded the link: publisher, or retraction-watch for an entry Crossref carries from the Retraction Watch database",
+        "type": "string"
+      },
+      "type": {
+        "description": "Crossref update type as deposited: correction, erratum, corrigendum, addendum, retraction, withdrawal, expression_of_concern, new_version, new_edition, or another code",
+        "type": "string"
+      },
+      "updated": {
+        "additionalProperties": false,
+        "description": "Date the update was issued",
+        "properties": {
+          "day": {
+            "description": "Day of month",
+            "type": "number"
+          },
+          "month": {
+            "description": "Month (1–12)",
+            "type": "number"
+          },
+          "year": {
+            "description": "Year",
+            "type": "number"
+          }
+        },
+        "type": "object"
+      }
+    },
+    "required": [
+      "doi",
+      "type",
+      "source"
+    ],
+    "type": "object"
+  },
+  "type": "array"
+}

Added value: +{
+  "description": "Update notices Crossref records against this work — corrections, errata, retractions, expressions of concern, withdrawals, new versions — in deposited order. Entries are never merged: the same notice DOI can appear once per source, typed differently by each. Omitted when none is recorded, which does not mean the work was never updated: coverage depends on publisher and Retraction Watch deposits.",
+  "items": {
+    "additionalProperties": false,
+    "description": "Update link",
+    "properties": {
+      "doi": {
+        "description": "DOI on the other side of the link: the notice, in updatedBy; the updated work, in updateTo. It is this work's own DOI when the update was made to this record in place.",
+        "type": "string"
+      },
+      "recordId": {
+        "description": "Retraction Watch record ID. Present only on retraction-watch entries.",
+        "type": "string"
+      },
+      "source": {
+        "description": "Who recorded the link: publisher, or retraction-watch for an entry Crossref carries from the Retraction Watch database",
+        "type": "string"
+      },
+      "type": {
+        "description": "Crossref update type as deposited: correction, erratum, corrigendum, addendum, retraction, withdrawal, expression_of_concern, new_version, new_edition, or another code",
+        "type": "string"
+      },
+      "updated": {
+        "additionalProperties": false,
+        "description": "Date the update was issued",
+        "properties": {
+          "day": {
+            "description": "Day of month",
+            "type": "number"
+          },
+          "month": {
+            "description": "Month (1–12)",
+            "type": "number"
+          },
+          "year": {
+            "description": "Year",
+            "type": "number"
+          }
+        },
+        "type": "object"
+      }
+    },
+    "required": [
+      "doi",
+      "type",
+      "source"
+    ],
+    "type": "object"
+  },
+  "type": "array"
+}

Added value: +{
+  "description": "Volume of the container the work appears in",
+  "type": "string"
+}