update Open Source Docs from Roblox internal teams

Author: rbx-open-source-docs[bot]

content/en-us/art/characters/specifications.md

@@ -455,7 +455,7 @@ To ensure that avatar sizes are visually consistent, you must standardize body p
 - **Opacity** - Body parts must be fully opaque.
 - **Bounding Boxes** - Body part assets must take up a significant visible portion of their bounding box in a front, side, and back view.
   - Body parts, such as Torso, Left Arm, Right Leg, must take up at least 50% of body part's bounding box.
-  - The head part must take up at least 35% of the mesh's bounding box.
+  - The head part must take up at least 50% of the mesh's bounding box.
     <GridContainer numColumns="2">
       <figure>
         <img src="../../assets/art/avatar/Valid-Visibility.png" />

content/en-us/cloud/auth/api-keys.md

@@ -15,9 +15,7 @@ authenticate to Open Cloud on your behalf.
 ## Create API keys
 
 You can create and configure API keys for your individually-owned
-experiences or group-owned experiences (A Roblox
-[group](../../projects/groups.md) allows multiple creators to work on the same
-experience, use the same assets, and share API keys).
+experiences or [group-owned](../../projects/groups.md) experiences.
 
 You must be the group owner or assigned to a role within the group that has the
 API key admin permission in order to create an API key for your group. A group
@@ -29,36 +27,37 @@ To create an API key:
 
 1. Navigate to the [Creator Dashboard](https://create.roblox.com/dashboard/creations).
 1. **(Optional)** Click the **Creator Hub** dropdown to select a group if you are creating the API key for a group.
-1. In the left navigation menu, select **Open Cloud** → **API Keys**.
+1. In the left navigation menu, select **Open Cloud** → [API Keys](https://create.roblox.com/dashboard/credentials?activeTab=ApiKeysTab).
 1. Click the **Create API Key** button.
 1. Enter a unique name for your API key. Use a name that can help you recall the
    purpose later, such as `PLACE_PUBLISHING_KEY` for publishing places to your
    experience.
 1. In the **Access Permissions** section, select an API from the **Select API
-   System** menu and click the **Add API System** button. Repeat this step if
+   System** menu. Repeat this step if
    you need to add multiple APIs to the key.
 
    <Alert severity="info">
    Certain permissions, generally those with the `legacy` prefix, aren't available for group-owned API keys. To add those permissions and send requests to the associated endpoints, you must use a user-owned API key.
    </Alert>
 
-1. Select the experience that you want to access with the API key.
-1. From the **Experience Operations** dropdown, select the operations that you
+1. If applicable, select the experience that you want to access with the API key.
+1. From the **Select Operations** dropdown, select the operations that you
    want to enable for the API key.
 
-   Many operations in the [API reference](../index.md) include the required permission scopes. For example, the [flush memory store](/cloud/reference/MemoryStore#Cloud_FlushMemoryStore) operation requires the `universe.memory-store:flush` permission.
+   Most operations in the [API reference](../index.md) include the required permission scopes. For example, the [flush memory store](/cloud/reference/MemoryStore#Cloud_FlushMemoryStore) operation requires the `universe.memory-store:flush` permission.
+
+   For a list of all scopes and the APIs they support, see [Scopes](../reference/scopes.md).
 
    <Alert severity="warning">
    For security reasons, give each API key the minimum number of required permissions. If an API key leaks, this principle of least privilege ensures that only a subset of your resources are compromised.
    </Alert>
 
-1. In the **Security** section, explicitly set IP access to the key using [CIDR
-   notation](#cidr-format), otherwise you can't use the API key. You can find
+1. (Optional) In the **Security** section, explicitly restrict IP access to the key using [CIDR
+   notation](#cidr-format). You can find
    the IP address of your local machine and add it to the **Accepted IP
    Addresses** section along with additional IP addresses for those that need
    access. If you don't have a fixed IP, or you are using the API key only in a
-   local environment, you can just add `0.0.0.0/0` to the **Accepted IP
-   Addresses** section to allow any IPs to use your API key.
+   local environment, you can leave the `Restrict IP addresses` toggle unchecked to allow any IP to use your API key.
 
 1. **(Optional)**: To add additional protection for your resources, set an
    explicit expiration date so your key automatically stops working after that

content/en-us/performance-optimization/improve.md

@@ -379,8 +379,8 @@ same `MeshId` are handled in a single draw call when:
 
 - **Excessive shadow casting** - Handling shadows is an expensive process, and
   maps that contain a high number and density of light objects that cast shadows
-  (or a high number and density of small parts influenced by shadows) are likely to
-  have performance issues.
+  (or a high number and density of small parts influenced by shadows) can have
+  performance issues.
 
 - **High transparency overdraw** - Placing objects with partial transparency
   near each other forces the engine to render the overlapping pixels multiple
@@ -410,21 +410,24 @@ same `MeshId` are handled in a single draw call when:
   **Performance**. This allows meshes to fall back to less complex
   alternatives, which can reduce the number of polygons that need to be drawn.
 - **Disabling shadow casting on appropriate parts and light objects** - The
-  complexity of the shadows in a scene can be reduced by selectively disabling
-  shadow casting properties on light objects and parts. This can be done at edit
-  time or dynamically at runtime. Some examples are:
+  Roblox engine automatically degrades shadow quality as client graphics quality
+  level decreases, eventually disabling shadows altogether at quality levels
+  below 4. However, you can selectively disable shadow casting properties on
+  light objects and parts to improve performance while shadows are enabled and
+  increase the likelihood that shadows remain enabled. Some examples of
+  optimizations you can make either at edit time or dynamically at runtime:
   - Use the `Class.BasePart.CastShadow` property to disable shadow casting on
-    small parts where shadows are unlikely to be visible. This can be
-    particularly effective when only applied to parts that are far away from the
+    small parts where shadows are unlikely to be visible. This strategy is
+    particularly effective when applied to parts that are far away from the
     user's camera.
 
     <Alert severity="warning">
     This might result in visual artifacts on shadows.
     </Alert>
 
   - Disable shadows on moving objects when possible.
-  - Disable `Class.Light.Shadows` on light instances where the object does
-    not need to cast shadows.
+  - Disable `Class.Light.Shadows` on light instances where the object does not
+    need to cast shadows.
   - Limit the range and angle of light instances.
   - Use fewer light instances.
   - Consider disabling lights that are outside of a specific range or on a

content/en-us/production/publishing/dmca-guidelines.md

@@ -49,8 +49,7 @@ The **Digital Millennium Copyright Act** ("DMCA") allows copyright holders or th
 
   If you are a copyright owner or an agent of a copyright owner and believe that
   any content on Roblox infringes upon your copyrights, you may submit a
-  notification pursuant to the DMCA by contacting our Copyright Agent at [email protected], or Legal, Roblox Corporation, 970 Park Place, Suite
-  100, San Mateo, CA 94403. You may also contact us by phone at (888) 858-2569.
+  notification pursuant to the DMCA by contacting our [Copyright Agent](mailto:[email protected]), or Legal, Roblox Corporation, 3150 S. Delaware St. San Mateo, CA 94403. You may also contact us by phone at (888) 858-2569.
 
 - **What information must I provide when filing a DMCA claim?**
 

tools/checks/utils/allowedHttpLinks.txt

@@ -709,3 +709,4 @@ https://github.com/roblox/roact-performance-benchmarks
 https://github.com/roblox/graphql-lua
 https://github.com/roblox/graphql-tag-lua
 https://github.com/roblox/apollo-client-lua
+https://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing#CIDR_notation