diff --git a/pubnub-core/pubnub-core-api/src/commonMain/kotlin/com/pubnub/api/utils/PatchValue.kt b/pubnub-core/pubnub-core-api/src/commonMain/kotlin/com/pubnub/api/utils/PatchValue.kt
index c60d7b801..38c7acc88 100644
--- a/pubnub-core/pubnub-core-api/src/commonMain/kotlin/com/pubnub/api/utils/PatchValue.kt
+++ b/pubnub-core/pubnub-core-api/src/commonMain/kotlin/com/pubnub/api/utils/PatchValue.kt
@@ -1,4 +1,5 @@
 package com.pubnub.api.utils
+import kotlin.jvm.JvmStatic
 
 /**
  * An optional that accepts nullable values. Thus, it can represent two (`PatchValue<T>`) or three (`PatchValue<T>?`) states:
diff --git a/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/PubNubImpl.kt b/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/PubNubImpl.kt
index aa16c8406..074b29045 100644
--- a/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/PubNubImpl.kt
+++ b/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/PubNubImpl.kt
@@ -201,7 +201,7 @@ class PubNubImpl(private val pubNubObjC: PubNubObjC) : PubNub {
     }
 
     // TODO: usePost parameter is not present in Swift SDK
-    override fun fire(channel: String, message: Any, meta: Any?, usePost: Boolean, ttl: Int?): Publish {
+    override fun fire(channel: String, message: Any, meta: Any?, usePost: Boolean): Publish {
         return PublishImpl(
             pubnub = pubNubObjC,
             channel = channel,
diff --git a/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/channel/GetChannelMetadata.ios.kt b/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/channel/GetChannelMetadata.ios.kt
index cd80a1b52..9a07c32d4 100644
--- a/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/channel/GetChannelMetadata.ios.kt
+++ b/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/channel/GetChannelMetadata.ios.kt
@@ -29,7 +29,7 @@ class GetChannelMetadataImpl(
             onSuccess = callback.onSuccessHandler {
                 PNChannelMetadataResult(
                     status = 200,
-                    data = it?.let { rawValue -> createPNChannelMetadata(from = rawValue) }
+                    data = createPNChannelMetadata(it)
                 )
             },
             onFailure = callback.onFailureHandler()
diff --git a/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/channel/SetChannelMetadata.ios.kt b/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/channel/SetChannelMetadata.ios.kt
index 6177d3515..a041e47fd 100644
--- a/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/channel/SetChannelMetadata.ios.kt
+++ b/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/channel/SetChannelMetadata.ios.kt
@@ -41,7 +41,7 @@ class SetChannelMetadataImpl(
             onSuccess = callback.onSuccessHandler {
                 PNChannelMetadataResult(
                     status = 200,
-                    data = it?.let { rawValue -> createPNChannelMetadata(from = rawValue) }
+                    data = createPNChannelMetadata(it)
                 )
             },
             onFailure = callback.onFailureHandler()
diff --git a/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/uuid/GetUUIDMetadata.ios.kt b/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/uuid/GetUUIDMetadata.ios.kt
index b32946178..b1f358303 100644
--- a/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/uuid/GetUUIDMetadata.ios.kt
+++ b/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/uuid/GetUUIDMetadata.ios.kt
@@ -29,7 +29,7 @@ class GetUUIDMetadataImpl(
             onSuccess = callback.onSuccessHandler {
                 PNUUIDMetadataResult(
                     status = 200,
-                    data = it?.let { createPNUUIDMetadata(from = it) }
+                    data = createPNUUIDMetadata(it)
                 )
             },
             onFailure = callback.onFailureHandler()
diff --git a/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/uuid/SetUUIDMetadata.ios.kt b/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/uuid/SetUUIDMetadata.ios.kt
index d61123679..e64a18747 100644
--- a/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/uuid/SetUUIDMetadata.ios.kt
+++ b/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/api/endpoints/objects/uuid/SetUUIDMetadata.ios.kt
@@ -45,7 +45,7 @@ class SetUUIDMetadataImpl(
             onSuccess = callback.onSuccessHandler {
                 PNUUIDMetadataResult(
                     status = 200,
-                    data = it?.let { createPNUUIDMetadata(from = it) }
+                    data = createPNUUIDMetadata(it)
                 )
             },
             onFailure = callback.onFailureHandler()
diff --git a/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/kmp/converters.kt b/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/kmp/converters.kt
index a4b069d55..d19491906 100644
--- a/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/kmp/converters.kt
+++ b/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/kmp/converters.kt
@@ -12,6 +12,7 @@ import com.pubnub.api.models.consumer.objects.channel.PNChannelMetadata
 import com.pubnub.api.models.consumer.objects.member.PNMember
 import com.pubnub.api.models.consumer.objects.membership.PNChannelMembership
 import com.pubnub.api.models.consumer.objects.uuid.PNUUIDMetadata
+import com.pubnub.api.utils.PatchValue
 import kotlinx.cinterop.ExperimentalForeignApi
 import platform.Foundation.NSData
 import platform.Foundation.NSString
@@ -39,33 +40,35 @@ internal fun createPubNubHashedPage(from: PNPage?): PubNubHashedPageObjC {
     )
 }
 
+// TODO: PatchValue should consider cases where there is no response for a given field
 @OptIn(ExperimentalForeignApi::class)
-internal fun createPNUUIDMetadata(from: PubNubUUIDMetadataObjC): PNUUIDMetadata {
+internal fun createPNUUIDMetadata(from: PubNubUUIDMetadataObjC?): PNUUIDMetadata {
     return PNUUIDMetadata(
-        id = from.id(),
-        name = from.name(),
-        externalId = from.externalId(),
-        profileUrl = from.profileUrl(),
-        email = from.email(),
-        custom = from.custom()?.safeCast(),
-        updated = from.updated(),
-        eTag = from.eTag(),
-        type = from.type(),
-        status = from.status()
+        id = from!!.id(),
+        name = PatchValue.of(from.name()),
+        externalId = PatchValue.of(from.externalId()),
+        profileUrl = PatchValue.of(from.profileUrl()),
+        email = PatchValue.of(from.email()),
+        custom = PatchValue.of(from.custom()?.safeCast()),
+        updated = PatchValue.of(from.updated().orEmpty()),
+        eTag = PatchValue.of(from.eTag().orEmpty()),
+        type = PatchValue.of(from.type()),
+        status = PatchValue.of(from.status())
     )
 }
 
+// TODO: PatchValue should consider cases where there is no response for a given field
 @OptIn(ExperimentalForeignApi::class)
-internal fun createPNChannelMetadata(from: PubNubChannelMetadataObjC): PNChannelMetadata {
+internal fun createPNChannelMetadata(from: PubNubChannelMetadataObjC?): PNChannelMetadata {
     return PNChannelMetadata(
-        id = from.id(),
-        name = from.name(),
-        description = from.descr(),
-        custom = from.custom()?.safeCast(),
-        updated = from.updated(),
-        eTag = from.eTag(),
-        type = from.type(),
-        status = from.status()
+        id = from!!.id(),
+        name = PatchValue.of(from.name()),
+        description = PatchValue.of(from.descr()),
+        custom = PatchValue.of(from.custom()?.safeCast()),
+        updated = PatchValue.of(from.updated().orEmpty()),
+        eTag = PatchValue.of(from.eTag().orEmpty()),
+        type = PatchValue.of(from.type()),
+        status = PatchValue.of(from.status())
     )
 }
 
@@ -79,34 +82,36 @@ internal fun createObjectSortProperties(from: Collection<PNSortKey<PNKey>>): Lis
     }
 }
 
+// TODO: PatchValue should consider cases where there is no response for a given field
 @OptIn(ExperimentalForeignApi::class)
 internal fun createPNChannelMembership(from: PubNubMembershipMetadataObjC): PNChannelMembership {
     return PNChannelMembership(
         channel = PNChannelMetadata(
             id = from.channelMetadataId(),
-            name = from.channel()?.name(),
-            description = from.channel()?.descr(),
-            custom = from.channel()?.custom()?.safeCast(),
-            updated = from.channel()?.updated(),
-            eTag = from.channel()?.eTag(),
-            type = from.channel()?.type(),
-            status = from.channel()?.status()
+            name = PatchValue.of(from.channel()?.name()),
+            description = PatchValue.of(from.channel()?.descr()),
+            custom = PatchValue.of(from.channel()?.custom()?.safeCast()),
+            updated = PatchValue.of(from.channel()?.updated().orEmpty()),
+            eTag = PatchValue.of(from.channel()?.eTag().orEmpty()),
+            type = PatchValue.of(from.channel()?.type()),
+            status = PatchValue.of(from.channel()?.status())
         ),
-        custom = from.custom()?.safeCast(),
+        custom = PatchValue.of(from.custom()?.safeCast()),
         updated = from.updated().orEmpty(),
         eTag = from.eTag().orEmpty(),
-        status = from.status()
+        status = PatchValue.of(from.status())
     )
 }
 
+// TODO: PatchValue should consider cases where there is no response for a given field
 @OptIn(ExperimentalForeignApi::class)
-internal fun createPNMember(from: PubNubMembershipMetadataObjC): PNMember {
+internal fun createPNMember(from: PubNubMembershipMetadataObjC?): PNMember {
     return PNMember(
-        uuid = from.uuid()?.let { createPNUUIDMetadata(from = it) },
-        custom = from.custom()?.safeCast(),
+        uuid = createPNUUIDMetadata(from = from!!.uuid()),
+        custom = PatchValue.of(from.custom()?.safeCast()),
         updated = from.updated().orEmpty(),
         eTag = from.eTag().orEmpty(),
-        status = from.status()
+        status = PatchValue.of(from.status())
     )
 }
 
diff --git a/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/kmp/factories.ios.kt b/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/kmp/factories.ios.kt
index 5a41efe23..10b5ae134 100644
--- a/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/kmp/factories.ios.kt
+++ b/pubnub-kotlin/pubnub-kotlin-api/src/iosMain/kotlin/com/pubnub/kmp/factories.ios.kt
@@ -47,6 +47,7 @@ import com.pubnub.api.models.consumer.pubsub.objects.PNSetChannelMetadataEventMe
 import com.pubnub.api.models.consumer.pubsub.objects.PNSetMembershipEvent
 import com.pubnub.api.models.consumer.pubsub.objects.PNSetMembershipEventMessage
 import com.pubnub.api.models.consumer.pubsub.objects.PNSetUUIDMetadataEventMessage
+import com.pubnub.api.utils.PatchValue
 import com.pubnub.api.v2.PNConfiguration
 import com.pubnub.api.v2.callbacks.EventListener
 import com.pubnub.api.v2.callbacks.EventListenerImpl
@@ -192,6 +193,7 @@ private fun createObjectEvent(from: PubNubAppContextEventObjC?): PNObjectEventRe
     }
 }
 
+// TODO: PatchValue should consider cases where there is no response for a given field
 @OptIn(ExperimentalForeignApi::class)
 private fun mapAppContextEvent(from: PubNubAppContextEventObjC?): PNObjectEventMessage? {
     when (from) {
@@ -203,15 +205,15 @@ private fun mapAppContextEvent(from: PubNubAppContextEventObjC?): PNObjectEventM
                 type = from.type(),
                 data = PNUUIDMetadata(
                     id = from.metadata().id(),
-                    name = from.metadata().name(),
-                    externalId = from.metadata().externalId(),
-                    profileUrl = from.metadata().profileUrl(),
-                    email = from.metadata().email(),
-                    custom = from.metadata().custom()?.safeCast(),
-                    updated = from.metadata().updated(),
-                    eTag = from.metadata().eTag(),
-                    type = from.metadata().type(),
-                    status = from.metadata().status()
+                    name = PatchValue.of(from.metadata().name()),
+                    externalId = PatchValue.of(from.metadata().externalId()),
+                    profileUrl = PatchValue.of(from.metadata().profileUrl()),
+                    email = PatchValue.of(from.metadata().email()),
+                    custom = PatchValue.of(from.metadata().custom()?.safeCast()),
+                    updated = PatchValue.of(from.metadata().updated().orEmpty()),
+                    eTag = PatchValue.of(from.metadata().eTag().orEmpty()),
+                    type = PatchValue.of(from.metadata().type()),
+                    status = PatchValue.of(from.metadata().status())
                 )
             )
         is PubNubRemoveUUIDMetadataResultObjC ->
@@ -230,13 +232,13 @@ private fun mapAppContextEvent(from: PubNubAppContextEventObjC?): PNObjectEventM
                 type = from.type(),
                 data = PNChannelMetadata(
                     id = from.metadata().id(),
-                    name = from.metadata().name(),
-                    description = from.metadata().descr(),
-                    custom = from.metadata().custom()?.safeCast(),
-                    updated = from.metadata().updated(),
-                    eTag = from.metadata().eTag(),
-                    type = from.metadata().type(),
-                    status = from.metadata().status()
+                    name = PatchValue.of(from.metadata().name()),
+                    description = PatchValue.of(from.metadata().descr()),
+                    custom = PatchValue.of(from.metadata().custom()?.safeCast()),
+                    updated = PatchValue.of(from.metadata().updated().orEmpty()),
+                    eTag = PatchValue.of(from.metadata().eTag().orEmpty()),
+                    type = PatchValue.of(from.metadata().type()),
+                    status = PatchValue.of(from.metadata().status())
                 )
             )
         is PubNubRemoveChannelMetadataResultObjC ->
@@ -256,10 +258,10 @@ private fun mapAppContextEvent(from: PubNubAppContextEventObjC?): PNObjectEventM
                 data = PNSetMembershipEvent(
                     channel = from.metadata().channelMetadataId(),
                     uuid = from.metadata().uuidMetadataId(),
-                    custom = from.metadata().custom()?.safeCast(),
+                    custom = PatchValue.of(from.metadata().custom()?.safeCast()),
                     eTag = from.metadata().eTag().orEmpty(),
                     updated = from.metadata().updated().orEmpty(),
-                    status = from.metadata().status().orEmpty()
+                    status = PatchValue.of(from.metadata().status().orEmpty())
                 )
             )
         is PubNubRemoveMembershipResultObjC ->
diff --git a/pubnub-kotlin/pubnub-kotlin-api/src/nonJvm/kotlin/com/pubnub/api/PubNub.nonJvm.kt b/pubnub-kotlin/pubnub-kotlin-api/src/nonJvm/kotlin/com/pubnub/api/PubNub.nonJvm.kt
index 12e29a987..f6e54ec7b 100644
--- a/pubnub-kotlin/pubnub-kotlin-api/src/nonJvm/kotlin/com/pubnub/api/PubNub.nonJvm.kt
+++ b/pubnub-kotlin/pubnub-kotlin-api/src/nonJvm/kotlin/com/pubnub/api/PubNub.nonJvm.kt
@@ -98,8 +98,7 @@ actual interface PubNub {
         channel: String,
         message: Any,
         meta: Any?,
-        usePost: Boolean,
-        ttl: Int?
+        usePost: Boolean
     ): Publish
 
     actual fun signal(channel: String, message: Any): Signal
diff --git a/pubnub-kotlin/pubnub-kotlin-test/src/commonMain/kotlin/com.pubnub.test/FakePubNub.kt b/pubnub-kotlin/pubnub-kotlin-test/src/commonMain/kotlin/com.pubnub.test/FakePubNub.kt
index 035902256..7f7831328 100644
--- a/pubnub-kotlin/pubnub-kotlin-test/src/commonMain/kotlin/com.pubnub.test/FakePubNub.kt
+++ b/pubnub-kotlin/pubnub-kotlin-test/src/commonMain/kotlin/com.pubnub.test/FakePubNub.kt
@@ -105,7 +105,7 @@ abstract class FakePubNub(
         TODO("Not yet implemented")
     }
 
-    override fun fire(channel: String, message: Any, meta: Any?, usePost: Boolean, ttl: Int?): Publish {
+    override fun fire(channel: String, message: Any, meta: Any?, usePost: Boolean): Publish {
         TODO("Not yet implemented")
     }
 
diff --git a/swift b/swift
index d8c940837..f1dd87e0a 160000
--- a/swift
+++ b/swift
@@ -1 +1 @@
-Subproject commit d8c940837704e4718e729f969b568efa4348690d
+Subproject commit f1dd87e0af69b2a7b7195b41f9f0077152101fa0