1.4.0

• Renamed HubType to HubTypes (82e4ff0)
• Fix some handling of allowedMentions, which broke editing messages by other authors (a8b8962)
• Properly support stage instances (3a5e223)
• Rename generic id parameters (docs, 47e511c)
• Refactor Message#application (a558489)
• • Will never be null (undefined or present)
• • If the application is the current client, update Client#application instead of using provided info exclusively
• • Minor wording changes
• Add option for X-Super-Properties header (092cc6f)
• Add support for avatar decorations (d7c3724)
• Add More Error Codes
• • MAXIMUM_PREMIUM_EMOJIS (47f1718)
• • CANNOT_MIX_SUBSCRIPTION_AND_NON_SUBSCRIPTION_ROLES (47f1718)
• • CANNOT_CONVERT_BETWEEN_PREMIUM_AND_NORMAL_EMOJI (47f1718)
• • MAXIMUM_GUILD_WEBHOOKS (781866f)
• Add support for premium subscriber role tags (47f1718)
• Add support for role connections (56f15f4)
• Add ROLE_SUBSCRIPTIONS_PURCHASE InviteTargetType (cc8ede8)
• Add join and mention raid protections features (781866f)
• Add More Guild Features
• • RAID_ALERTS_ENABLED (781866f)
• • CREATOR_STORE_PAGE (72a0a1b)

Breaking

• Removed HubType (use HubTypes) (82e4ff0, 560c190)