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Variations of inReplyTo

The property is defined here. The goal of this support table is to show how applications react to inReplyTo containing a wide variation of allowed objects. As Fediverse applications generally only give one the option to reply to a single element, the lacking support should not be surprising.

Support table

akkoma gotosocial hollo mastodon misskey mitra pleroma sharkey 
“http://pasture-one-actor/assets/note1.jsonap”
 ✅ ❌ ✅ ✅ ✅ ✅ ✅ ✅ 
“http://invalid.example/”
 ✅ ❌ ❌ ❌ ❌ ❌ ✅ ❌ 
[
  “http://pasture-one-actor/assets/note1.jsonap”
]
 ✅ ❌ ✅ ❌ ❌ ❌ ✅ ✅ 
{
  “type”: “Link”,
  “href”: “http://pasture-one-actor/assets/note1.jsonap”
}
 ❌ ✅ ✅ ❌ ❌ ❌ ❌ ❌ 
[
  “http://pasture-one-actor/assets/note1.jsonap”,
  “http://pasture-one-actor/assets/note2.jsonap”
]
 ✅ ❌ ✅ ❌ ❌ ❌ ✅ ✅ 
{
  “type”: “Collection”,
  “items”: [
    “http://pasture-one-actor/actor”
  ]
}
 ❌ ✅ ✅ ❌ ❌ ❌ ❌ ❌ 
{
  “@context”: “https://www.w3.org/ns/activitystreams”,
  “type”: “Note”,
  “id”: “http://pasture-one-actor/assets/note1.jsonap”,
  “to”: [
    “as:Public”
  ],
  “attributedTo”: “http://pasture-one-actor/actor”,
  “content”: “One”,
  “published”: “2024-01-06T13:11:45Z”
}
 ✅ ❌ ✅ ✅ ✅ ✅ ✅ ✅

Details

inReplyTo in_reply_to_id in_reply_to_account_id Ex. 
“http://pasture-one-actor/assets/note1.jsonap”
 
“ApEz0Zto3EBisXvK6q”
 
“ApEyyndhzfx2ulXukK”
 
“http://invalid.example/”
 
null
 
null
 
[
  “http://pasture-one-actor/assets/note1.jsonap”
]
 
“ApEz0Zto3EBisXvK6q”
 
“ApEyyndhzfx2ulXukK”
 
{
  “type”: “Link”,
  “href”: “http://pasture-one-actor/assets/note1.jsonap”
}
 ❌ 
[
  “http://pasture-one-actor/assets/note1.jsonap”,
  “http://pasture-one-actor/assets/note2.jsonap”
]
 
“ApEz0Zto3EBisXvK6q”
 
“ApEyyndhzfx2ulXukK”
 
{
  “type”: “Collection”,
  “items”: [
    “http://pasture-one-actor/actor”
  ]
}
 ❌ 
{
  “@context”: “https://www.w3.org/ns/activitystreams”,
  “type”: “Note”,
  “id”: “http://pasture-one-actor/assets/note1.jsonap”,
  “to”: [
    “as:Public”
  ],
  “attributedTo”: “http://pasture-one-actor/actor”,
  “content”: “One”,
  “published”: “2024-01-06T13:11:45Z”
}
 
“ApEz0Zto3EBisXvK6q”
 
“ApEyyndhzfx2ulXukK”
inReplyTo in_reply_to_id in_reply_to_account_id Ex. 
“http://pasture-one-actor/assets/note1.jsonap”
 ❌ 
“http://invalid.example/”
 ❌ 
[
  “http://pasture-one-actor/assets/note1.jsonap”
]
 ❌ 
{
  “type”: “Link”,
  “href”: “http://pasture-one-actor/assets/note1.jsonap”
}
 
null
 
null
 
[
  “http://pasture-one-actor/assets/note1.jsonap”,
  “http://pasture-one-actor/assets/note2.jsonap”
]
 ❌ 
{
  “type”: “Collection”,
  “items”: [
    “http://pasture-one-actor/actor”
  ]
}
 
null
 
null
 
{
  “@context”: “https://www.w3.org/ns/activitystreams”,
  “type”: “Note”,
  “id”: “http://pasture-one-actor/assets/note1.jsonap”,
  “to”: [
    “as:Public”
  ],
  “attributedTo”: “http://pasture-one-actor/actor”,
  “content”: “One”,
  “published”: “2024-01-06T13:11:45Z”
}
 ❌
inReplyTo in_reply_to_id in_reply_to_account_id Ex. 
“http://pasture-one-actor/assets/note1.jsonap”
 
“018cdee6-9e68-7a45-b6e6-88fc05e727f9”
 
“0193e4ac-8732-721f-9770-fa83add95811”
 
“http://invalid.example/”
 ❌ 
[
  “http://pasture-one-actor/assets/note1.jsonap”
]
 
“018cdee6-9e68-7a45-b6e6-88fc05e727f9”
 
“0193e4ac-8732-721f-9770-fa83add95811”
 
{
  “type”: “Link”,
  “href”: “http://pasture-one-actor/assets/note1.jsonap”
}
 
null
 
null
 
[
  “http://pasture-one-actor/assets/note1.jsonap”,
  “http://pasture-one-actor/assets/note2.jsonap”
]
 
“018cdee6-9e68-7a45-b6e6-88fc05e727f9”
 
“0193e4ac-8732-721f-9770-fa83add95811”
 
{
  “type”: “Collection”,
  “items”: [
    “http://pasture-one-actor/actor”
  ]
}
 
null
 
null
 
{
  “@context”: “https://www.w3.org/ns/activitystreams”,
  “type”: “Note”,
  “id”: “http://pasture-one-actor/assets/note1.jsonap”,
  “to”: [
    “as:Public”
  ],
  “attributedTo”: “http://pasture-one-actor/actor”,
  “content”: “One”,
  “published”: “2024-01-06T13:11:45Z”
}
 
“018cdee6-9e68-7a45-b6e6-88fc05e727f9”
 
“0193e4ac-8732-721f-9770-fa83add95811”
inReplyTo in_reply_to_id in_reply_to_account_id Ex. 
“http://pasture-one-actor/assets/note1.jsonap”
 
“111709172897155544”
 
“113685888990733519”
 
“http://invalid.example/”
 ❌ 
[
  “http://pasture-one-actor/assets/note1.jsonap”
]
 ❌ 
{
  “type”: “Link”,
  “href”: “http://pasture-one-actor/assets/note1.jsonap”
}
 ❌ 
[
  “http://pasture-one-actor/assets/note1.jsonap”,
  “http://pasture-one-actor/assets/note2.jsonap”
]
 ❌ 
{
  “type”: “Collection”,
  “items”: [
    “http://pasture-one-actor/actor”
  ]
}
 ❌ 
{
  “@context”: “https://www.w3.org/ns/activitystreams”,
  “type”: “Note”,
  “id”: “http://pasture-one-actor/assets/note1.jsonap”,
  “to”: [
    “as:Public”
  ],
  “attributedTo”: “http://pasture-one-actor/actor”,
  “content”: “One”,
  “published”: “2024-01-06T13:11:45Z”
}
 
“111709172897155544”
 
“113685888990733519”
inReplyTo replyId reply Ex. 
“http://pasture-one-actor/assets/note1.jsonap”
 
“9o5nesfc9j1a000p”
 
{
  “id”: “9o5nesfc9j1a000p”,
  “createdAt”: “2024-01-06T13:11:45.000Z”,
  “userId”: “a20hm7nn9j1a0002”,
  “user”: {
    “id”: “a20hm7nn9j1a0002”,
    “name”: “Test Actor”,
    “username”: “actor”,
    “host”: “pasture-one-actor”,
    “avatarUrl”: “http://misskey/identicon/actor@pasture-one-actor”,
    “avatarBlurhash”: null,
    “avatarDecorations”: [],
    “isBot”: false,
    “isCat”: false,
    “instance”: {
      “name”: null,
      “softwareName”: null,
      “softwareVersion”: null,
      “iconUrl”: null,
      “faviconUrl”: null,
      “themeColor”: null
    },
    “emojis”: {},
    “onlineStatus”: “unknown”
  },
  “text”: “One”,
  “cw”: null,
  “visibility”: “public”,
  “localOnly”: false,
  “reactionAcceptance”: null,
  “renoteCount”: 0,
  “repliesCount”: 1,
  “reactionCount”: 0,
  “reactions”: {},
  “reactionEmojis”: {},
  “emojis”: {},
  “fileIds”: [],
  “files”: [],
  “replyId”: null,
  “renoteId”: null,
  “uri”: “http://pasture-one-actor/assets/note1.jsonap”
}
 
“http://invalid.example/”
 ❌ 
[
  “http://pasture-one-actor/assets/note1.jsonap”
]
 ❌ 
{
  “type”: “Link”,
  “href”: “http://pasture-one-actor/assets/note1.jsonap”
}
 ❌ 
[
  “http://pasture-one-actor/assets/note1.jsonap”,
  “http://pasture-one-actor/assets/note2.jsonap”
]
 ❌ 
{
  “type”: “Collection”,
  “items”: [
    “http://pasture-one-actor/actor”
  ]
}
 ❌ 
{
  “@context”: “https://www.w3.org/ns/activitystreams”,
  “type”: “Note”,
  “id”: “http://pasture-one-actor/assets/note1.jsonap”,
  “to”: [
    “as:Public”
  ],
  “attributedTo”: “http://pasture-one-actor/actor”,
  “content”: “One”,
  “published”: “2024-01-06T13:11:45Z”
}
 
“9o5nesfc9j1a000p”
 
{
  “id”: “9o5nesfc9j1a000p”,
  “createdAt”: “2024-01-06T13:11:45.000Z”,
  “userId”: “a20hm7nn9j1a0002”,
  “user”: {
    “id”: “a20hm7nn9j1a0002”,
    “name”: “Test Actor”,
    “username”: “actor”,
    “host”: “pasture-one-actor”,
    “avatarUrl”: “http://misskey/identicon/actor@pasture-one-actor”,
    “avatarBlurhash”: null,
    “avatarDecorations”: [],
    “isBot”: false,
    “isCat”: false,
    “instance”: {
      “name”: null,
      “softwareName”: null,
      “softwareVersion”: null,
      “iconUrl”: null,
      “faviconUrl”: null,
      “themeColor”: null
    },
    “emojis”: {},
    “onlineStatus”: “unknown”
  },
  “text”: “One”,
  “cw”: null,
  “visibility”: “public”,
  “localOnly”: false,
  “reactionAcceptance”: null,
  “renoteCount”: 0,
  “repliesCount”: 2,
  “reactionCount”: 0,
  “reactions”: {},
  “reactionEmojis”: {},
  “emojis”: {},
  “fileIds”: [],
  “files”: [],
  “replyId”: null,
  “renoteId”: null,
  “uri”: “http://pasture-one-actor/assets/note1.jsonap”
}
inReplyTo in_reply_to_id in_reply_to_account_id Ex. 
“http://pasture-one-actor/assets/note1.jsonap”
 
“0193e4c9-1e85-b62a-cb66-95754b49cc6f”
 
“0193e4c8-81e6-193c-4e9f-258ca4c0640f”
 
“http://invalid.example/”
 ❌ 
[
  “http://pasture-one-actor/assets/note1.jsonap”
]
 ❌ 
{
  “type”: “Link”,
  “href”: “http://pasture-one-actor/assets/note1.jsonap”
}
 ❌ 
[
  “http://pasture-one-actor/assets/note1.jsonap”,
  “http://pasture-one-actor/assets/note2.jsonap”
]
 ❌ 
{
  “type”: “Collection”,
  “items”: [
    “http://pasture-one-actor/actor”
  ]
}
 ❌ 
{
  “@context”: “https://www.w3.org/ns/activitystreams”,
  “type”: “Note”,
  “id”: “http://pasture-one-actor/assets/note1.jsonap”,
  “to”: [
    “as:Public”
  ],
  “attributedTo”: “http://pasture-one-actor/actor”,
  “content”: “One”,
  “published”: “2024-01-06T13:11:45Z”
}
 
“0193e4c9-1e85-b62a-cb66-95754b49cc6f”
 
“0193e4c8-81e6-193c-4e9f-258ca4c0640f”
inReplyTo in_reply_to_id in_reply_to_account_id Ex. 
“http://pasture-one-actor/assets/note1.jsonap”
 
“ApF4G6AXXmJYlUiIPA”
 
“ApF44cCic100e4Fywy”
 
“http://invalid.example/”
 
null
 
null
 
[
  “http://pasture-one-actor/assets/note1.jsonap”
]
 
“ApF4G6AXXmJYlUiIPA”
 
“ApF44cCic100e4Fywy”
 
{
  “type”: “Link”,
  “href”: “http://pasture-one-actor/assets/note1.jsonap”
}
 ❌ 
[
  “http://pasture-one-actor/assets/note1.jsonap”,
  “http://pasture-one-actor/assets/note2.jsonap”
]
 
“ApF4G6AXXmJYlUiIPA”
 
“ApF44cCic100e4Fywy”
 
{
  “type”: “Collection”,
  “items”: [
    “http://pasture-one-actor/actor”
  ]
}
 ❌ 
{
  “@context”: “https://www.w3.org/ns/activitystreams”,
  “type”: “Note”,
  “id”: “http://pasture-one-actor/assets/note1.jsonap”,
  “to”: [
    “as:Public”
  ],
  “attributedTo”: “http://pasture-one-actor/actor”,
  “content”: “One”,
  “published”: “2024-01-06T13:11:45Z”
}
 
“ApF4G6AXXmJYlUiIPA”
 
“ApF44cCic100e4Fywy”
inReplyTo in_reply_to_id in_reply_to_account_id Ex. 
“http://pasture-one-actor/assets/note1.jsonap”
 
“9o5nesfcnqmk000q”
 
“a20ipc5cnqmk0002”
 
“http://invalid.example/”
 ❌ 
[
  “http://pasture-one-actor/assets/note1.jsonap”
]
 
“9o5nesfcnqmk000q”
 
“a20ipc5cnqmk0002”
 
{
  “type”: “Link”,
  “href”: “http://pasture-one-actor/assets/note1.jsonap”
}
 ❌ 
[
  “http://pasture-one-actor/assets/note1.jsonap”,
  “http://pasture-one-actor/assets/note2.jsonap”
]
 
“9o5nesfcnqmk000q”
 
“a20ipc5cnqmk0002”
 
{
  “type”: “Collection”,
  “items”: [
    “http://pasture-one-actor/actor”
  ]
}
 ❌ 
{
  “@context”: “https://www.w3.org/ns/activitystreams”,
  “type”: “Note”,
  “id”: “http://pasture-one-actor/assets/note1.jsonap”,
  “to”: [
    “as:Public”
  ],
  “attributedTo”: “http://pasture-one-actor/actor”,
  “content”: “One”,
  “published”: “2024-01-06T13:11:45Z”
}
 
“9o5nesfcnqmk000q”
 
“a20ipc5cnqmk0002”