diff --git a/README.md b/README.md
index 65ac4ce..fadfc39 100644
--- a/README.md
+++ b/README.md
@@ -22,10 +22,13 @@
    - Compatible with [Mastodon](https://joinmastodon.org/) and others ([Pleroma](https://pleroma.social/), Misskey, Plume, PixelFed, Hubzilla...)
  - Exposes your outbox as a basic microblog
    - Support all content types from the Fediverse (`Note`, `Article`, `Page`, `Video`, `Image`, `Question`...)
+   - Markdown support
+   - Server-side code syntax highlighting
  - Comes with an admin UI with notifications and the stream of people you follow
    - Private "bookmark" support
    - List support
    - Allows you to attach files to your notes
+   - Custom emojus
  - Cares about your privacy
    - The image upload endpoint strips EXIF meta data before storing the file
    - Every attachment/media is cached (or proxied) by the server
diff --git a/blueprints/tasks.py b/blueprints/tasks.py
index 0e0e8d6..863307e 100644
--- a/blueprints/tasks.py
+++ b/blueprints/tasks.py
@@ -25,6 +25,7 @@ from core.activitypub import _actor_hash
 from core.activitypub import _add_answers_to_question
 from core.activitypub import _cache_actor_icon
 from core.activitypub import is_from_outbox
+from core.activitypub import new_context
 from core.activitypub import post_to_outbox
 from core.activitypub import save_reply
 from core.activitypub import update_cached_actor
@@ -47,6 +48,7 @@ from core.shared import _Response
 from core.shared import back
 from core.shared import p
 from core.tasks import Tasks
+from utils import now
 from utils import opengraph
 from utils.media import is_video
 from utils.webmentions import discover_webmention_endpoint
@@ -102,6 +104,28 @@ def task_update_question() -> _Response:
     return ""
 
 
+@blueprint.route("/task/send_actor_update", methods=["POST"])
+def task_send_actor_update() -> _Response:
+    task = p.parse(flask.request)
+    app.logger.info(f"task={task!r}")
+    try:
+        update = ap.Update(
+            actor=MY_PERSON.id,
+            object=MY_PERSON.to_dict(),
+            to=[MY_PERSON.followers],
+            cc=[ap.AS_PUBLIC],
+            published=now(),
+            context=new_context(),
+        )
+
+        post_to_outbox(update)
+    except Exception as err:
+        app.logger.exception(f"failed to send actor update")
+        raise TaskError() from err
+
+    return ""
+
+
 @blueprint.route("/task/fetch_og_meta", methods=["POST"])
 def task_fetch_og_meta() -> _Response:
     task = p.parse(flask.request)
diff --git a/config.py b/config.py
index 2e8af94..cc51783 100644
--- a/config.py
+++ b/config.py
@@ -69,6 +69,7 @@ with open(os.path.join(KEY_DIR, "me.yml")) as f:
     ICON_URL = conf["icon_url"]
     PASS = conf["pass"]
 
+    PROFILE_METADATA = conf.get("profile_metadata", {})
     HIDE_FOLLOWING = conf.get("hide_following", True)
 
     # Theme-related config
@@ -130,8 +131,8 @@ def _admin_jwt_token() -> str:
 ADMIN_API_KEY = get_secret_key("admin_api_key", _admin_jwt_token)
 
 attachments = []
-if conf.get("profile_metadata"):
-    for key, value in conf["profile_metadata"].items():
+if PROFILE_METADATA:
+    for key, value in PROFILE_METADATA.items():
         attachments.append(
             {"type": "PropertyValue", "name": key, "value": linkify(value)}
         )
@@ -176,7 +177,7 @@ BLACKLIST = conf.get("blacklist", [])
 DISABLE_WEBMENTIONS = conf.get("disable_webmentions", False)
 
 # By default, we keep 14 of inbox data ; outbox is kept forever (along with bookmarked stuff, outbox replies, liked...)
-DAYS_TO_KEEP = 14
+DAYS_TO_KEEP = int(conf.get("days_to_keep", 14))
 
 # Load custom emojis (stored in static/emojis)
 _load_emojis(ROOT_DIR, BASE_URL)
diff --git a/core/activitypub.py b/core/activitypub.py
index db154ae..aa90817 100644
--- a/core/activitypub.py
+++ b/core/activitypub.py
@@ -78,7 +78,7 @@ def _answer_key(choice: str) -> str:
     return h.hexdigest()
 
 
-def _actor_hash(actor: ap.ActivityType) -> str:
+def _actor_hash(actor: ap.ActivityType, local: bool = False) -> str:
     """Used to know when to update the meta actor cache, like an "actor version"."""
     h = hashlib.new("sha1")
     h.update(actor.id.encode())
@@ -91,6 +91,12 @@ def _actor_hash(actor: ap.ActivityType) -> str:
     h.update(key.key_id().encode())
     if isinstance(actor.icon, dict) and "url" in actor.icon:
         h.update(actor.icon["url"].encode())
+    if local:
+        # The local hash helps us detect when to send an Update
+        for item in actor.attachment:
+            h.update(item["name"].encode())
+            h.update(item["value"].encode())
+        h.update(("1" if actor.manuallyApprovesFollowers else "0").encode())
     return h.hexdigest()
 
 
diff --git a/core/tasks.py b/core/tasks.py
index 41479ae..4278fb7 100644
--- a/core/tasks.py
+++ b/core/tasks.py
@@ -8,8 +8,8 @@ from typing import Set
 from little_boxes import activitypub as ap
 from poussetaches import PousseTaches
 
-from config import MEDIA_CACHE
 from config import DISABLE_WEBMENTIONS
+from config import MEDIA_CACHE
 from utils import parse_datetime
 
 p = PousseTaches(
@@ -102,6 +102,10 @@ class Tasks:
     def finish_post_to_outbox(iri: str) -> None:
         p.push(iri, "/task/finish_post_to_outbox")
 
+    @staticmethod
+    def send_actor_update() -> None:
+        p.push({}, "/task/send_actor_update", delay=2)
+
     @staticmethod
     def update_question_outbox(iri: str, open_for: int) -> None:
         p.push(
diff --git a/templates/header.html b/templates/header.html
index cb1a926..708171c 100644
--- a/templates/header.html
+++ b/templates/header.html
@@ -11,6 +11,16 @@
 
 <div class="p-note summary">
 {{ config.SUMMARY | safe }}
+
+{% if config.PROFILE_METADATA %}
+<dl>
+{% for item in config.ME.attachment %}
+{% if item.type == "PropertyValue" %}
+<dt>{{item.name | safe }}</dt><dd>{{ item.value | safe }}</dd>
+{% endif %}
+{% endfor %}
+</dl>
+{% endif %}
 </div>
 
 </div>
diff --git a/templates/layout.html b/templates/layout.html
index 500fce9..2c7099c 100644
--- a/templates/layout.html
+++ b/templates/layout.html
@@ -21,6 +21,8 @@
     width: 25px;
     height: 25px;
 }
+dt:after {content: ": ";}
+dt, dd { font-size: 0.9em; }
 {{ highlight_css }}
 </style>
 {% block header %}{% endblock %}