Parsing Failure with Variables in Fragments of Non-Executed Queries in the Same Payload about router HOT 5 OPEN

schema
  @link(url: "https://specs.apollo.dev/link/v1.0")
  @link(url: "https://specs.apollo.dev/join/v0.4", for: EXECUTION)
{
  query: Query
}

directive @join__directive(graphs: [join__Graph!], name: String!, args: join__DirectiveArguments) repeatable on SCHEMA | OBJECT | INTERFACE | FIELD_DEFINITION

directive @join__enumValue(graph: join__Graph!) repeatable on ENUM_VALUE

directive @join__field(graph: join__Graph, requires: join__FieldSet, provides: join__FieldSet, type: String, external: Boolean, override: String, usedOverridden: Boolean, overrideLabel: String) repeatable on FIELD_DEFINITION | INPUT_FIELD_DEFINITION

directive @join__graph(name: String!, url: String!) on ENUM_VALUE

directive @join__implements(graph: join__Graph!, interface: String!) repeatable on OBJECT | INTERFACE

directive @join__type(graph: join__Graph!, key: join__FieldSet, extension: Boolean! = false, resolvable: Boolean! = true, isInterfaceObject: Boolean! = false) repeatable on OBJECT | INTERFACE | UNION | ENUM | INPUT_OBJECT | SCALAR

directive @join__unionMember(graph: join__Graph!, member: String!) repeatable on UNION

directive @link(url: String, as: String, for: link__Purpose, import: [link__Import]) repeatable on SCHEMA

type ActivationItemData
  @join__type(graph: A)
{
  activated: Boolean!
}

input Field1Input
  @join__type(graph: A)
{
  someInputVar1: String!
}

input Field2Input
  @join__type(graph: A)
{
  someInputVar2: String!
  sectionItemsOffset: Int
  sectionItemsLimit: Int
}

scalar join__DirectiveArguments

scalar join__FieldSet

enum join__Graph {
  A @join__graph(name: "A", url: "https://example.com")
}

scalar link__Import

enum link__Purpose {
  """
  `SECURITY` features provide metadata necessary to securely resolve fields.
  """
  SECURITY

  """
  `EXECUTION` features provide metadata necessary for operation execution.
  """
  EXECUTION
}

type MainSection
  @join__type(graph: A)
{
  sectionItems(offset: Int, limit: Int): SectionItemsPage!
}

type PageInfo
  @join__type(graph: A)
{
  offset: Int!
  limit: Int!
}

type Query
  @join__type(graph: A)
{
  field1(input: Field1Input!): ResponsePayload1!
  field2(input: Field2Input!): ResponsePayload1!
}

type ResponsePayload1
  @join__type(graph: A)
{
  data: [ActivationItemData!]!
  sectionContainer: SectionContainer!
}

type SectionContainer
  @join__type(graph: A)
{
  sections(offset: Int, limit: Int): SectionItemsConnection!
}

type SectionItem
  @join__type(graph: A)
{
  data: ActivationItemData
}

type SectionItemsConnection
  @join__type(graph: A)
{
  items: [MainSection!]!
}

type SectionItemsPage
  @join__type(graph: A)
{
  items: [SectionItem!]!
  pageInfo: PageInfo!
}

fragment section1 on MainSection {
  sectionItems(offset: $sectionItemsOffset, limit: $sectionItemsLimit) {
    items {
      data {
        ... on ActivationItemData {
          activated
        }
      }
    }
  }
}

query query2($var2: String!, $sectionItemsOffset: Int!, $sectionItemsLimit: Int!) {
  field2(
    input: {someInputVar2: $var2}
  ) {
    __typename
    ... on ResponsePayload1 {
      sectionContainer {
        sections(offset: 0, limit: 20) {
          items {
            ...section1
          }
        }
      }
    }
  }
}

query query1 {
  field1(
    input: {someInputVar1: ""}
  ) {
    __typename
  }
}