diff --git a/IceCubesApp.xcodeproj/project.pbxproj b/IceCubesApp.xcodeproj/project.pbxproj
index 3410df11..823d5498 100644
--- a/IceCubesApp.xcodeproj/project.pbxproj
+++ b/IceCubesApp.xcodeproj/project.pbxproj
@@ -1184,6 +1184,7 @@
 				SUPPORTS_MACCATALYST = NO;
 				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = YES;
 				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_STRICT_CONCURRENCY = targeted;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
@@ -1236,6 +1237,7 @@
 				SUPPORTS_MACCATALYST = NO;
 				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = YES;
 				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_STRICT_CONCURRENCY = targeted;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
diff --git a/Packages/Models/Sources/Models/Account.swift b/Packages/Models/Sources/Models/Account.swift
index a435518f..d68f4279 100644
--- a/Packages/Models/Sources/Models/Account.swift
+++ b/Packages/Models/Sources/Models/Account.swift
@@ -1,6 +1,6 @@
 import Foundation
 
-public final class Account: Codable, Identifiable, Equatable, Hashable {
+public final class Account: Codable, Identifiable, Equatable, Hashable, Sendable {
   public static func == (lhs: Account, rhs: Account) -> Bool {
     lhs.id == rhs.id
   }
@@ -9,7 +9,7 @@ public final class Account: Codable, Identifiable, Equatable, Hashable {
     hasher.combine(id)
   }
 
-  public struct Field: Codable, Equatable, Identifiable {
+  public struct Field: Codable, Equatable, Identifiable, Sendable {
     public var id: String {
       value.asRawText + name
     }
@@ -19,7 +19,7 @@ public final class Account: Codable, Identifiable, Equatable, Hashable {
     public let verifiedAt: String?
   }
 
-  public struct Source: Codable, Equatable {
+  public struct Source: Codable, Equatable, Sendable {
     public let privacy: Visibility
     public let sensitive: Bool
     public let language: String?
diff --git a/Packages/Models/Sources/Models/Alias/HTMLString.swift b/Packages/Models/Sources/Models/Alias/HTMLString.swift
index d169fded..824fde71 100644
--- a/Packages/Models/Sources/Models/Alias/HTMLString.swift
+++ b/Packages/Models/Sources/Models/Alias/HTMLString.swift
@@ -6,7 +6,7 @@ private enum CodingKeys: CodingKey {
   case htmlValue, asMarkdown, asRawText, statusesURLs
 }
 
-public struct HTMLString: Codable, Equatable, Hashable {
+public struct HTMLString: Codable, Equatable, Hashable, @unchecked Sendable {
   public var htmlValue: String = ""
   public var asMarkdown: String = ""
   public var asRawText: String = ""
diff --git a/Packages/Models/Sources/Models/Alias/ServerDate.swift b/Packages/Models/Sources/Models/Alias/ServerDate.swift
index a03e4e78..0d2e240e 100644
--- a/Packages/Models/Sources/Models/Alias/ServerDate.swift
+++ b/Packages/Models/Sources/Models/Alias/ServerDate.swift
@@ -4,7 +4,7 @@ private enum CodingKeys: CodingKey {
   case asDate
 }
 
-public struct ServerDate: Codable, Hashable, Equatable {
+public struct ServerDate: Codable, Hashable, Equatable, Sendable {
   public let asDate: Date
 
   public var relativeFormatted: String {
diff --git a/Packages/Models/Sources/Models/Emoji.swift b/Packages/Models/Sources/Models/Emoji.swift
index 6ef5e3da..47cf8c76 100644
--- a/Packages/Models/Sources/Models/Emoji.swift
+++ b/Packages/Models/Sources/Models/Emoji.swift
@@ -1,6 +1,6 @@
 import Foundation
 
-public struct Emoji: Codable, Hashable, Identifiable, Equatable {
+public struct Emoji: Codable, Hashable, Identifiable, Equatable, Sendable {
   public func hash(into hasher: inout Hasher) {
     hasher.combine(shortcode)
   }
diff --git a/Packages/Models/Sources/Models/Instance.swift b/Packages/Models/Sources/Models/Instance.swift
index 8ab66c24..6900c20b 100644
--- a/Packages/Models/Sources/Models/Instance.swift
+++ b/Packages/Models/Sources/Models/Instance.swift
@@ -1,19 +1,19 @@
 import Foundation
 
-public struct Instance: Codable {
-  public struct Stats: Codable {
+public struct Instance: Codable, Sendable {
+  public struct Stats: Codable, Sendable {
     public let userCount: Int
     public let statusCount: Int
     public let domainCount: Int
   }
 
-  public struct Configuration: Codable {
-    public struct Statuses: Codable {
+  public struct Configuration: Codable, Sendable {
+    public struct Statuses: Codable, Sendable {
       public let maxCharacters: Int
       public let maxMediaAttachments: Int
     }
 
-    public struct Polls: Codable {
+    public struct Polls: Codable, Sendable {
       public let maxOptions: Int
       public let maxCharactersPerOption: Int
       public let minExpiration: Int
@@ -24,12 +24,12 @@ public struct Instance: Codable {
     public let polls: Polls
   }
 
-  public struct Rule: Codable, Identifiable {
+  public struct Rule: Codable, Identifiable, Sendable {
     public let id: String
     public let text: String
   }
 
-  public struct URLs: Codable {
+  public struct URLs: Codable, Sendable {
     public let streamingApi: URL?
   }
 
diff --git a/Packages/Models/Sources/Models/InstanceSocial.swift b/Packages/Models/Sources/Models/InstanceSocial.swift
index 5aa5f380..6d2dc364 100644
--- a/Packages/Models/Sources/Models/InstanceSocial.swift
+++ b/Packages/Models/Sources/Models/InstanceSocial.swift
@@ -1,7 +1,7 @@
 import Foundation
 
-public struct InstanceSocial: Decodable, Identifiable {
-  public struct Info: Decodable {
+public struct InstanceSocial: Decodable, Identifiable, Sendable {
+  public struct Info: Decodable, Sendable {
     public let shortDescription: String?
   }
 
diff --git a/Packages/Models/Sources/Models/OauthToken.swift b/Packages/Models/Sources/Models/OauthToken.swift
index 590c3c94..78fb7419 100644
--- a/Packages/Models/Sources/Models/OauthToken.swift
+++ b/Packages/Models/Sources/Models/OauthToken.swift
@@ -1,6 +1,6 @@
 import Foundation
 
-public struct OauthToken: Codable, Hashable {
+public struct OauthToken: Codable, Hashable, Sendable {
   public let accessToken: String
   public let tokenType: String
   public let scope: String
diff --git a/Packages/Models/Sources/Models/ServerFilter.swift b/Packages/Models/Sources/Models/ServerFilter.swift
index 561353d3..d47de752 100644
--- a/Packages/Models/Sources/Models/ServerFilter.swift
+++ b/Packages/Models/Sources/Models/ServerFilter.swift
@@ -1,17 +1,17 @@
 import Foundation
 
-public struct ServerFilter: Codable, Identifiable, Hashable {
-  public struct Keyword: Codable, Identifiable, Hashable {
+public struct ServerFilter: Codable, Identifiable, Hashable, Sendable {
+  public struct Keyword: Codable, Identifiable, Hashable, Sendable {
     public let id: String
     public let keyword: String
     public let wholeWord: Bool
   }
 
-  public enum Context: String, Codable, CaseIterable {
+  public enum Context: String, Codable, CaseIterable, Sendable {
     case home, notifications, `public`, thread, account
   }
 
-  public enum Action: String, Codable, CaseIterable {
+  public enum Action: String, Codable, CaseIterable, Sendable {
     case warn, hide
   }
 
diff --git a/Packages/Models/Sources/Models/Status.swift b/Packages/Models/Sources/Models/Status.swift
index be34cfa5..ff5c5b88 100644
--- a/Packages/Models/Sources/Models/Status.swift
+++ b/Packages/Models/Sources/Models/Status.swift
@@ -18,7 +18,7 @@ public extension Application {
   }
 }
 
-public enum Visibility: String, Codable, CaseIterable, Hashable, Equatable {
+public enum Visibility: String, Codable, CaseIterable, Hashable, Equatable, Sendable {
   case pub = "public"
   case unlisted
   case priv = "private"
diff --git a/Packages/Network/Sources/Network/Client.swift b/Packages/Network/Sources/Network/Client.swift
index b83c64cc..8ef59c29 100644
--- a/Packages/Network/Sources/Network/Client.swift
+++ b/Packages/Network/Sources/Network/Client.swift
@@ -2,14 +2,14 @@ import Foundation
 import Models
 import SwiftUI
 
-public class Client: ObservableObject, Equatable, Identifiable, Hashable {
+public final class Client: ObservableObject, Equatable, Identifiable, Hashable, @unchecked Sendable {
   public static func == (lhs: Client, rhs: Client) -> Bool {
     lhs.isAuth == rhs.isAuth &&
       lhs.server == rhs.server &&
       lhs.oauthToken?.accessToken == rhs.oauthToken?.accessToken
   }
 
-  public enum Version: String {
+  public enum Version: String, Sendable {
     case v1, v2
   }
 
@@ -26,7 +26,7 @@ public class Client: ObservableObject, Equatable, Identifiable, Hashable {
     hasher.combine(id)
   }
 
-  public var server: String
+  public let server: String
   public let version: Version
   public private(set) var connections: Set<String>
   private let urlSession: URLSession
diff --git a/Packages/Network/Sources/Network/Endpoint/Accounts.swift b/Packages/Network/Sources/Network/Endpoint/Accounts.swift
index 5033615b..6104fdf9 100644
--- a/Packages/Network/Sources/Network/Endpoint/Accounts.swift
+++ b/Packages/Network/Sources/Network/Endpoint/Accounts.swift
@@ -154,7 +154,7 @@ public enum Accounts: Endpoint {
   }
 }
 
-public struct MuteData: Encodable {
+public struct MuteData: Encodable, Sendable {
   public let duration: Int
 
   public init(duration: Int) {
@@ -162,7 +162,7 @@ public struct MuteData: Encodable {
   }
 }
 
-public struct RelationshipNoteData: Encodable {
+public struct RelationshipNoteData: Encodable, Sendable {
   public let comment: String
   
   public init(note comment: String) {
diff --git a/Packages/Network/Sources/Network/Endpoint/Endpoint.swift b/Packages/Network/Sources/Network/Endpoint/Endpoint.swift
index 9bcd2b45..f27ddd2a 100644
--- a/Packages/Network/Sources/Network/Endpoint/Endpoint.swift
+++ b/Packages/Network/Sources/Network/Endpoint/Endpoint.swift
@@ -1,6 +1,6 @@
 import Foundation
 
-public protocol Endpoint {
+public protocol Endpoint: Sendable {
   func path() -> String
   func queryItems() -> [URLQueryItem]?
   var jsonValue: Encodable? { get }
diff --git a/Packages/Network/Sources/Network/Endpoint/ServerFilters.swift b/Packages/Network/Sources/Network/Endpoint/ServerFilters.swift
index 055870c5..7cc6d89a 100644
--- a/Packages/Network/Sources/Network/Endpoint/ServerFilters.swift
+++ b/Packages/Network/Sources/Network/Endpoint/ServerFilters.swift
@@ -48,7 +48,7 @@ public enum ServerFilters: Endpoint {
   }
 }
 
-public struct ServerFilterData: Encodable {
+public struct ServerFilterData: Encodable, Sendable {
   public let title: String
   public let context: [ServerFilter.Context]
   public let filterAction: ServerFilter.Action
diff --git a/Packages/Network/Sources/Network/Endpoint/Statuses.swift b/Packages/Network/Sources/Network/Endpoint/Statuses.swift
index f381c7d6..ce705db6 100644
--- a/Packages/Network/Sources/Network/Endpoint/Statuses.swift
+++ b/Packages/Network/Sources/Network/Endpoint/Statuses.swift
@@ -91,7 +91,7 @@ public enum Statuses: Endpoint {
   }
 }
 
-public struct StatusData: Encodable {
+public struct StatusData: Encodable, Sendable {
   public let status: String
   public let visibility: Visibility
   public let inReplyToId: String?
@@ -101,7 +101,7 @@ public struct StatusData: Encodable {
   public let language: String?
   public let mediaAttributes: [MediaAttribute]?
 
-  public struct PollData: Encodable {
+  public struct PollData: Encodable, Sendable {
     public let options: [String]
     public let multiple: Bool
     public let expires_in: Int
@@ -113,7 +113,7 @@ public struct StatusData: Encodable {
     }
   }
 
-  public struct MediaAttribute: Encodable {
+  public struct MediaAttribute: Encodable, Sendable {
     public let id: String
     public let description: String?
     public let thumbnail: String?