Component image 
User Restrictions Settings component as seen in the Scene Inspector

The UserRestrictionsSettings component is found in the user space and contains all blocked user entries. this is a good way to handle blocked users until they fix the regression of no longer having a blocked users list introduced in the settings update.
Fields
Name | Type | Description |
---|---|---|
persistent
|
Bool | Determines whether or not this item will be saved to the server. |
UpdateOrder
|
Int | Controls the order in which this component is updated. |
Enabled
|
Bool | Controls whether or not this component is enabled. Some components stop their functionality when this field is disabled, but some don't. |
Entries
|
list of UserRestrictionsSettings.Entry | A list of blocked users. |
Entry
Name | Type | Description |
---|---|---|
BlockType
|
BlockType | The kind of block type you did against this user. |
IsFullyBanned
|
bool | Whether the user is fully banned by you or not from your sessions and worlds. |
Username
|
string | The username of the user. |
UserId
|
string | The user ID of the user. |
MachineIDs
|
direct SyncFieldList`1<String> | A list of machine ids this user may have. |
ExtraIds
|
direct SyncFieldDictionary`2<String, String> | A list of extra machine ids for this user. |
BannedWorldList
|
direct SyncFieldList`1<String> | A list of worlds of yours the user is banned from. |