diff --git a/backend/canisters/community/CHANGELOG.md b/backend/canisters/community/CHANGELOG.md
index aa0b13ffde..e80deb4b29 100644
--- a/backend/canisters/community/CHANGELOG.md
+++ b/backend/canisters/community/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [unreleased]
 
+## [[2.0.985](https://github.com/open-chat-labs/open-chat/releases/tag/v2.0.985-community)] - 2023-12-19
+
 ### Added
 
 - Support getting batches of summary updates via LocalUserIndex ([#4983](https://github.com/open-chat-labs/open-chat/pull/4983))
diff --git a/backend/canisters/community/impl/src/lib.rs b/backend/canisters/community/impl/src/lib.rs
index fe1fcf8fd5..4dcf8e48da 100644
--- a/backend/canisters/community/impl/src/lib.rs
+++ b/backend/canisters/community/impl/src/lib.rs
@@ -274,7 +274,6 @@ struct Data {
     local_group_index_canister_id: CanisterId,
     notifications_canister_id: CanisterId,
     proposals_bot_user_id: UserId,
-    #[serde(default = "escrow_canister_id")]
     escrow_canister_id: CanisterId,
     date_created: TimestampMillis,
     members: CommunityMembers,
@@ -298,10 +297,6 @@ struct Data {
     pub total_payment_receipts: PaymentReceipts,
 }
 
-fn escrow_canister_id() -> CanisterId {
-    CanisterId::from_text("s4yi7-yiaaa-aaaar-qacpq-cai").unwrap()
-}
-
 impl Data {
     #[allow(clippy::too_many_arguments)]
     fn new(
diff --git a/backend/canisters/community/impl/src/lifecycle/post_upgrade.rs b/backend/canisters/community/impl/src/lifecycle/post_upgrade.rs
index fee27995b9..335156fb4e 100644
--- a/backend/canisters/community/impl/src/lifecycle/post_upgrade.rs
+++ b/backend/canisters/community/impl/src/lifecycle/post_upgrade.rs
@@ -1,18 +1,14 @@
-use crate::activity_notifications::handle_activity_notification;
 use crate::jobs::import_groups::finalize_group_import;
 use crate::lifecycle::{init_env, init_state};
 use crate::memory::get_upgrades_memory;
-use crate::updates::c2c_join_channel::join_channel_unchecked;
-use crate::{mutate_state, read_state, Data};
+use crate::{read_state, Data};
 use canister_logger::LogEntry;
 use canister_tracing_macros::trace;
 use community_canister::post_upgrade::Args;
 use ic_cdk_macros::post_upgrade;
 use instruction_counts_log::InstructionCountFunctionId;
 use stable_memory::get_reader;
-use std::time::Duration;
 use tracing::info;
-use types::{AccessGate, CanisterId, UserId};
 
 #[post_upgrade]
 #[trace]
@@ -41,52 +37,4 @@ fn post_upgrade(args: Args) {
             .data
             .record_instructions_count(InstructionCountFunctionId::PostUpgrade, now)
     });
-
-    ic_cdk_timers::set_timer(Duration::ZERO, join_members_to_diamond_gated_channels);
-}
-
-fn join_members_to_diamond_gated_channels() {
-    read_state(|state| {
-        if state
-            .data
-            .channels
-            .iter()
-            .any(|c| c.chat.is_public.value && matches!(c.chat.gate.value, Some(AccessGate::DiamondMember)))
-        {
-            let user_ids: Vec<_> = state.data.members.iter().map(|m| m.user_id).collect();
-
-            ic_cdk::spawn(join_members_to_diamond_gated_channels_async(
-                state.data.local_user_index_canister_id,
-                user_ids,
-            ));
-        }
-    });
-}
-
-async fn join_members_to_diamond_gated_channels_async(local_user_index_canister_id: CanisterId, user_ids: Vec<UserId>) {
-    if let Ok(local_user_index_canister::c2c_diamond_membership_expiry_dates::Response::Success(expiry_dates)) =
-        local_user_index_canister_c2c_client::c2c_diamond_membership_expiry_dates(
-            local_user_index_canister_id,
-            &local_user_index_canister::c2c_diamond_membership_expiry_dates::Args { user_ids },
-        )
-        .await
-    {
-        mutate_state(|state| {
-            let now = state.env.now();
-
-            for channel in state
-                .data
-                .channels
-                .iter_mut()
-                .filter(|c| c.chat.is_public.value && matches!(c.chat.gate.value, Some(AccessGate::DiamondMember)))
-            {
-                for m in state.data.members.iter_mut() {
-                    if !m.channels.contains(&channel.id) && expiry_dates.get(&m.user_id).copied() > Some(now) {
-                        join_channel_unchecked(channel, m, true, now);
-                    }
-                }
-            }
-            handle_activity_notification(state);
-        })
-    }
 }
diff --git a/backend/canisters/cycles_dispenser/CHANGELOG.md b/backend/canisters/cycles_dispenser/CHANGELOG.md
index 275b13eb3c..4d2ebc36b3 100644
--- a/backend/canisters/cycles_dispenser/CHANGELOG.md
+++ b/backend/canisters/cycles_dispenser/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [unreleased]
 
+## [[2.0.980](https://github.com/open-chat-labs/open-chat/releases/tag/v2.0.980-cycles_dispenser)] - 2023-12-19
+
 ### Changed
 
 - Avoid reseeding random number generator after each upgrade ([#4755](https://github.com/open-chat-labs/open-chat/pull/4755))
diff --git a/backend/canisters/cycles_dispenser/impl/src/lib.rs b/backend/canisters/cycles_dispenser/impl/src/lib.rs
index c726fee943..e6b588ae74 100644
--- a/backend/canisters/cycles_dispenser/impl/src/lib.rs
+++ b/backend/canisters/cycles_dispenser/impl/src/lib.rs
@@ -70,7 +70,6 @@ struct Data {
     pub ledger_canister: CanisterId,
     pub cycles_minting_canister: CanisterId,
     pub cycles_top_up_pending_notification: Option<BlockIndex>,
-    #[serde(default)]
     pub rng_seed: [u8; 32],
     pub test_mode: bool,
 }
diff --git a/backend/canisters/group/CHANGELOG.md b/backend/canisters/group/CHANGELOG.md
index d71ae1564d..d155c15d7a 100644
--- a/backend/canisters/group/CHANGELOG.md
+++ b/backend/canisters/group/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [unreleased]
 
+## [[2.0.986](https://github.com/open-chat-labs/open-chat/releases/tag/v2.0.986-group)] - 2023-12-19
+
 ### Added
 
 - Support getting batches of summary updates via LocalUserIndex ([#4983](https://github.com/open-chat-labs/open-chat/pull/4983))
diff --git a/backend/canisters/group/impl/src/lib.rs b/backend/canisters/group/impl/src/lib.rs
index cac1c16c36..1cb8aa79b7 100644
--- a/backend/canisters/group/impl/src/lib.rs
+++ b/backend/canisters/group/impl/src/lib.rs
@@ -351,7 +351,6 @@ struct Data {
     pub local_user_index_canister_id: CanisterId,
     pub notifications_canister_id: CanisterId,
     pub proposals_bot_user_id: UserId,
-    #[serde(default = "escrow_canister_id")]
     pub escrow_canister_id: CanisterId,
     pub invite_code: Option<u64>,
     pub invite_code_enabled: bool,
@@ -371,10 +370,6 @@ struct Data {
     pub total_payment_receipts: PaymentReceipts,
 }
 
-fn escrow_canister_id() -> CanisterId {
-    CanisterId::from_text("s4yi7-yiaaa-aaaar-qacpq-cai").unwrap()
-}
-
 fn init_instruction_counts_log() -> InstructionCountsLog {
     InstructionCountsLog::init(get_instruction_counts_index_memory(), get_instruction_counts_data_memory())
 }
diff --git a/backend/canisters/group_index/CHANGELOG.md b/backend/canisters/group_index/CHANGELOG.md
index 7fc486633a..92027eb632 100644
--- a/backend/canisters/group_index/CHANGELOG.md
+++ b/backend/canisters/group_index/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [unreleased]
 
+## [[2.0.979](https://github.com/open-chat-labs/open-chat/releases/tag/v2.0.979-group_index)] - 2023-12-19
+
 ### Changed
 
 - Add `escrow_canister_id` to LocalGroupIndex canister init args ([#4897](https://github.com/open-chat-labs/open-chat/pull/4897))
diff --git a/backend/canisters/group_index/api/src/updates/c2c_create_community.rs b/backend/canisters/group_index/api/src/updates/c2c_create_community.rs
index 86d166d262..e20c482f47 100644
--- a/backend/canisters/group_index/api/src/updates/c2c_create_community.rs
+++ b/backend/canisters/group_index/api/src/updates/c2c_create_community.rs
@@ -1,6 +1,6 @@
 use candid::CandidType;
 use serde::{Deserialize, Serialize};
-use types::{local_user_index_canister_id, AccessGate, CanisterId, CommunityId, CommunityPermissions, Document, Rules};
+use types::{AccessGate, CanisterId, CommunityId, CommunityPermissions, Document, Rules};
 
 #[derive(CandidType, Serialize, Deserialize, Debug)]
 pub struct Args {
@@ -27,22 +27,7 @@ pub enum Response {
 }
 
 #[derive(CandidType, Serialize, Deserialize, Debug)]
-#[serde(from = "SuccessResultPrevious")]
 pub struct SuccessResult {
     pub community_id: CommunityId,
     pub local_user_index_canister_id: CanisterId,
 }
-
-#[derive(CandidType, Serialize, Deserialize, Debug)]
-pub struct SuccessResultPrevious {
-    pub community_id: CommunityId,
-}
-
-impl From<SuccessResultPrevious> for SuccessResult {
-    fn from(value: SuccessResultPrevious) -> Self {
-        SuccessResult {
-            community_id: value.community_id,
-            local_user_index_canister_id: local_user_index_canister_id(value.community_id.into()),
-        }
-    }
-}
diff --git a/backend/canisters/group_index/api/src/updates/c2c_create_group.rs b/backend/canisters/group_index/api/src/updates/c2c_create_group.rs
index f166f9f0ca..2898dcb214 100644
--- a/backend/canisters/group_index/api/src/updates/c2c_create_group.rs
+++ b/backend/canisters/group_index/api/src/updates/c2c_create_group.rs
@@ -1,8 +1,6 @@
 use candid::CandidType;
 use serde::{Deserialize, Serialize};
-use types::{
-    local_user_index_canister_id, AccessGate, CanisterId, ChatId, Document, GroupPermissions, GroupSubtype, Milliseconds, Rules,
-};
+use types::{AccessGate, CanisterId, ChatId, Document, GroupPermissions, GroupSubtype, Milliseconds, Rules};
 
 #[derive(CandidType, Serialize, Deserialize, Debug)]
 pub struct Args {
@@ -28,22 +26,7 @@ pub enum Response {
 }
 
 #[derive(CandidType, Serialize, Deserialize, Debug)]
-#[serde(from = "SuccessResultPrevious")]
 pub struct SuccessResult {
     pub chat_id: ChatId,
     pub local_user_index_canister_id: CanisterId,
 }
-
-#[derive(CandidType, Serialize, Deserialize, Debug)]
-pub struct SuccessResultPrevious {
-    pub chat_id: ChatId,
-}
-
-impl From<SuccessResultPrevious> for SuccessResult {
-    fn from(value: SuccessResultPrevious) -> Self {
-        SuccessResult {
-            chat_id: value.chat_id,
-            local_user_index_canister_id: local_user_index_canister_id(value.chat_id.into()),
-        }
-    }
-}
diff --git a/backend/canisters/group_index/impl/src/lib.rs b/backend/canisters/group_index/impl/src/lib.rs
index 70f602c384..6313b3a22d 100644
--- a/backend/canisters/group_index/impl/src/lib.rs
+++ b/backend/canisters/group_index/impl/src/lib.rs
@@ -126,7 +126,6 @@ struct Data {
     pub user_index_canister_id: CanisterId,
     pub cycles_dispenser_canister_id: CanisterId,
     pub proposals_bot_user_id: UserId,
-    #[serde(default = "escrow_canister_id")]
     pub escrow_canister_id: CanisterId,
     pub canisters_requiring_upgrade: CanistersRequiringUpgrade,
     pub test_mode: bool,
@@ -138,10 +137,6 @@ struct Data {
     pub rng_seed: [u8; 32],
 }
 
-fn escrow_canister_id() -> CanisterId {
-    CanisterId::from_text("s4yi7-yiaaa-aaaar-qacpq-cai").unwrap()
-}
-
 impl Data {
     #[allow(clippy::too_many_arguments)]
     fn new(
diff --git a/backend/canisters/group_index/impl/src/model/cached_hot_groups.rs b/backend/canisters/group_index/impl/src/model/cached_hot_groups.rs
index 8167b20dbd..7fd27443ce 100644
--- a/backend/canisters/group_index/impl/src/model/cached_hot_groups.rs
+++ b/backend/canisters/group_index/impl/src/model/cached_hot_groups.rs
@@ -2,8 +2,8 @@ use serde::{Deserialize, Serialize};
 use std::collections::HashSet;
 use tracing::trace;
 use types::{
-    local_user_index_canister_id, AccessGate, CanisterId, ChatId, EventIndex, EventWrapper, Message, MessageIndex,
-    Milliseconds, PublicGroupSummary, TimestampMillis,
+    AccessGate, CanisterId, ChatId, EventIndex, EventWrapper, Message, MessageIndex, Milliseconds, PublicGroupSummary,
+    TimestampMillis,
 };
 
 #[derive(Serialize, Deserialize, Default)]
@@ -37,7 +37,6 @@ impl CachedHotGroups {
 }
 
 #[derive(Serialize, Deserialize, Clone, Debug)]
-#[serde(from = "CachedPublicGroupSummaryPrevious")]
 pub struct CachedPublicGroupSummary {
     pub chat_id: ChatId,
     pub local_user_index_canister_id: CanisterId,
@@ -51,36 +50,6 @@ pub struct CachedPublicGroupSummary {
     pub gate: Option<AccessGate>,
 }
 
-#[derive(Serialize, Deserialize, Clone, Debug)]
-pub struct CachedPublicGroupSummaryPrevious {
-    pub chat_id: ChatId,
-    pub last_updated: TimestampMillis,
-    pub latest_message: Option<EventWrapper<Message>>,
-    pub latest_event_index: EventIndex,
-    pub latest_message_index: Option<MessageIndex>,
-    pub participant_count: u32,
-    pub events_ttl: Option<Milliseconds>,
-    pub events_ttl_last_updated: TimestampMillis,
-    pub gate: Option<AccessGate>,
-}
-
-impl From<CachedPublicGroupSummaryPrevious> for CachedPublicGroupSummary {
-    fn from(value: CachedPublicGroupSummaryPrevious) -> Self {
-        CachedPublicGroupSummary {
-            chat_id: value.chat_id,
-            local_user_index_canister_id: local_user_index_canister_id(value.chat_id.into()),
-            last_updated: value.last_updated,
-            latest_message: value.latest_message,
-            latest_event_index: value.latest_event_index,
-            latest_message_index: value.latest_message_index,
-            participant_count: value.participant_count,
-            events_ttl: value.events_ttl,
-            events_ttl_last_updated: value.events_ttl_last_updated,
-            gate: value.gate,
-        }
-    }
-}
-
 impl From<PublicGroupSummary> for CachedPublicGroupSummary {
     fn from(summary: PublicGroupSummary) -> Self {
         CachedPublicGroupSummary {
diff --git a/backend/canisters/local_group_index/CHANGELOG.md b/backend/canisters/local_group_index/CHANGELOG.md
index 2298a47c21..a85257652c 100644
--- a/backend/canisters/local_group_index/CHANGELOG.md
+++ b/backend/canisters/local_group_index/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [unreleased]
 
+## [[2.0.978](https://github.com/open-chat-labs/open-chat/releases/tag/v2.0.978-local_group_index)] - 2023-12-19
+
 ### Changed
 
 - Add `escrow_canister_id` to Group & Community canister init args ([#4897](https://github.com/open-chat-labs/open-chat/pull/4897))
diff --git a/backend/canisters/local_group_index/api/src/updates/c2c_create_community.rs b/backend/canisters/local_group_index/api/src/updates/c2c_create_community.rs
index fa56b94c0a..11a4cb3f80 100644
--- a/backend/canisters/local_group_index/api/src/updates/c2c_create_community.rs
+++ b/backend/canisters/local_group_index/api/src/updates/c2c_create_community.rs
@@ -1,9 +1,6 @@
 use candid::Principal;
 use serde::{Deserialize, Serialize};
-use types::{
-    local_user_index_canister_id, AccessGate, CanisterId, CommunityId, CommunityPermissions, Document, Rules, SourceGroup,
-    UserId,
-};
+use types::{AccessGate, CanisterId, CommunityId, CommunityPermissions, Document, Rules, SourceGroup, UserId};
 
 #[derive(Serialize, Deserialize, Debug)]
 pub struct Args {
@@ -31,22 +28,7 @@ pub enum Response {
 }
 
 #[derive(Serialize, Deserialize, Debug)]
-#[serde(from = "SuccessResultPrevious")]
 pub struct SuccessResult {
     pub community_id: CommunityId,
     pub local_user_index_canister_id: CanisterId,
 }
-
-#[derive(Serialize, Deserialize, Debug)]
-pub struct SuccessResultPrevious {
-    pub community_id: CommunityId,
-}
-
-impl From<SuccessResultPrevious> for SuccessResult {
-    fn from(value: SuccessResultPrevious) -> Self {
-        SuccessResult {
-            community_id: value.community_id,
-            local_user_index_canister_id: local_user_index_canister_id(value.community_id.into()),
-        }
-    }
-}
diff --git a/backend/canisters/local_group_index/api/src/updates/c2c_create_group.rs b/backend/canisters/local_group_index/api/src/updates/c2c_create_group.rs
index 61f0b4bca5..2a8bf5612d 100644
--- a/backend/canisters/local_group_index/api/src/updates/c2c_create_group.rs
+++ b/backend/canisters/local_group_index/api/src/updates/c2c_create_group.rs
@@ -1,9 +1,6 @@
 use candid::{CandidType, Principal};
 use serde::{Deserialize, Serialize};
-use types::{
-    local_user_index_canister_id, AccessGate, CanisterId, ChatId, Document, GroupPermissions, GroupSubtype, Milliseconds,
-    Rules, UserId,
-};
+use types::{AccessGate, CanisterId, ChatId, Document, GroupPermissions, GroupSubtype, Milliseconds, Rules, UserId};
 
 #[derive(CandidType, Serialize, Deserialize, Debug)]
 pub struct Args {
@@ -33,17 +30,3 @@ pub struct SuccessResult {
     pub chat_id: ChatId,
     pub local_user_index_canister_id: CanisterId,
 }
-
-#[derive(CandidType, Serialize, Deserialize, Debug)]
-pub struct SuccessResultPrevious {
-    pub chat_id: ChatId,
-}
-
-impl From<SuccessResultPrevious> for SuccessResult {
-    fn from(value: SuccessResultPrevious) -> Self {
-        SuccessResult {
-            chat_id: value.chat_id,
-            local_user_index_canister_id: local_user_index_canister_id(value.chat_id.into()),
-        }
-    }
-}
diff --git a/backend/canisters/local_group_index/impl/src/lib.rs b/backend/canisters/local_group_index/impl/src/lib.rs
index 84f9ef57b8..b584ce5dc5 100644
--- a/backend/canisters/local_group_index/impl/src/lib.rs
+++ b/backend/canisters/local_group_index/impl/src/lib.rs
@@ -115,7 +115,6 @@ struct Data {
     pub communities_requiring_upgrade: CanistersRequiringUpgrade,
     pub cycles_dispenser_canister_id: CanisterId,
     pub proposals_bot_user_id: UserId,
-    #[serde(default = "escrow_canister_id")]
     pub escrow_canister_id: CanisterId,
     pub canister_pool: canister::Pool,
     pub total_cycles_spent_on_canisters: Cycles,
@@ -127,10 +126,6 @@ struct Data {
     pub rng_seed: [u8; 32],
 }
 
-fn escrow_canister_id() -> CanisterId {
-    CanisterId::from_text("s4yi7-yiaaa-aaaar-qacpq-cai").unwrap()
-}
-
 impl Data {
     #[allow(clippy::too_many_arguments)]
     pub fn new(
diff --git a/backend/canisters/local_user_index/CHANGELOG.md b/backend/canisters/local_user_index/CHANGELOG.md
index f9eac9b352..7fe0237664 100644
--- a/backend/canisters/local_user_index/CHANGELOG.md
+++ b/backend/canisters/local_user_index/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [unreleased]
 
+## [[2.0.976](https://github.com/open-chat-labs/open-chat/releases/tag/v2.0.976-local_user_index)] - 2023-12-19
+
 ### Added
 
 - Support getting batches of summary updates via LocalUserIndex ([#4983](https://github.com/open-chat-labs/open-chat/pull/4983))
diff --git a/backend/canisters/local_user_index/api/src/lib.rs b/backend/canisters/local_user_index/api/src/lib.rs
index c7e0353a27..333649231f 100644
--- a/backend/canisters/local_user_index/api/src/lib.rs
+++ b/backend/canisters/local_user_index/api/src/lib.rs
@@ -2,9 +2,8 @@ use candid::{CandidType, Principal};
 use serde::{Deserialize, Serialize};
 use types::nns::CryptoAmount;
 use types::{
-    local_user_index_canister_id, CanisterId, ChannelLatestMessageIndex, ChatId, CommunityId, Cryptocurrency,
-    DiamondMembershipPlanDuration, MessageContent, MessageIndex, PhoneNumber, ReferralType, SuspensionDuration,
-    TimestampMillis, UserId,
+    CanisterId, ChannelLatestMessageIndex, ChatId, CommunityId, Cryptocurrency, DiamondMembershipPlanDuration, MessageContent,
+    MessageIndex, PhoneNumber, ReferralType, SuspensionDuration, TimestampMillis, UserId,
 };
 
 mod lifecycle;
@@ -97,7 +96,6 @@ pub struct UserSuspended {
 }
 
 #[derive(Serialize, Deserialize, Clone, Debug)]
-#[serde(from = "UserJoinedGroupPrevious")]
 pub struct UserJoinedGroup {
     pub user_id: UserId,
     pub chat_id: ChatId,
@@ -106,25 +104,6 @@ pub struct UserJoinedGroup {
 }
 
 #[derive(Serialize, Deserialize, Clone, Debug)]
-pub struct UserJoinedGroupPrevious {
-    pub user_id: UserId,
-    pub chat_id: ChatId,
-    pub latest_message_index: Option<MessageIndex>,
-}
-
-impl From<UserJoinedGroupPrevious> for UserJoinedGroup {
-    fn from(value: UserJoinedGroupPrevious) -> Self {
-        UserJoinedGroup {
-            user_id: value.user_id,
-            chat_id: value.chat_id,
-            local_user_index_canister_id: local_user_index_canister_id(value.chat_id.into()),
-            latest_message_index: value.latest_message_index,
-        }
-    }
-}
-
-#[derive(Serialize, Deserialize, Clone, Debug)]
-#[serde(from = "UserJoinedCommunityOrChannelPrevious")]
 pub struct UserJoinedCommunityOrChannel {
     pub user_id: UserId,
     pub community_id: CommunityId,
@@ -132,24 +111,6 @@ pub struct UserJoinedCommunityOrChannel {
     pub channels: Vec<ChannelLatestMessageIndex>,
 }
 
-#[derive(Serialize, Deserialize, Clone, Debug)]
-pub struct UserJoinedCommunityOrChannelPrevious {
-    pub user_id: UserId,
-    pub community_id: CommunityId,
-    pub channels: Vec<ChannelLatestMessageIndex>,
-}
-
-impl From<UserJoinedCommunityOrChannelPrevious> for UserJoinedCommunityOrChannel {
-    fn from(value: UserJoinedCommunityOrChannelPrevious) -> Self {
-        UserJoinedCommunityOrChannel {
-            user_id: value.user_id,
-            community_id: value.community_id,
-            local_user_index_canister_id: local_user_index_canister_id(value.community_id.into()),
-            channels: value.channels,
-        }
-    }
-}
-
 #[derive(Serialize, Deserialize, Clone, Debug)]
 pub struct DiamondMembershipPaymentReceived {
     pub user_id: UserId,
diff --git a/backend/canisters/local_user_index/impl/src/lib.rs b/backend/canisters/local_user_index/impl/src/lib.rs
index ff68adbfd3..4547f55734 100644
--- a/backend/canisters/local_user_index/impl/src/lib.rs
+++ b/backend/canisters/local_user_index/impl/src/lib.rs
@@ -196,7 +196,6 @@ struct Data {
     pub notifications_canister_id: CanisterId,
     pub proposals_bot_canister_id: CanisterId,
     pub cycles_dispenser_canister_id: CanisterId,
-    #[serde(default = "escrow_canister_id")]
     pub escrow_canister_id: CanisterId,
     pub internet_identity_canister_id: CanisterId,
     pub canisters_requiring_upgrade: CanistersRequiringUpgrade,
@@ -214,10 +213,6 @@ struct Data {
     pub rng_seed: [u8; 32],
 }
 
-fn escrow_canister_id() -> CanisterId {
-    CanisterId::from_text("s4yi7-yiaaa-aaaar-qacpq-cai").unwrap()
-}
-
 #[derive(Serialize, Deserialize)]
 pub struct FailedMessageUsers {
     pub sender: UserId,
diff --git a/backend/canisters/local_user_index/impl/src/model/global_user_map.rs b/backend/canisters/local_user_index/impl/src/model/global_user_map.rs
index ce333f1d2e..7f0723039e 100644
--- a/backend/canisters/local_user_index/impl/src/model/global_user_map.rs
+++ b/backend/canisters/local_user_index/impl/src/model/global_user_map.rs
@@ -10,7 +10,6 @@ pub struct GlobalUserMap {
     principal_to_user_id: HashMap<Principal, UserId>,
     platform_moderators: HashSet<UserId>,
     bots: HashSet<UserId>,
-    #[serde(default)]
     diamond_membership_expiry_dates: HashMap<UserId, TimestampMillis>,
 }
 
diff --git a/backend/canisters/market_maker/CHANGELOG.md b/backend/canisters/market_maker/CHANGELOG.md
index 82a8638a57..8d38fe6fc7 100644
--- a/backend/canisters/market_maker/CHANGELOG.md
+++ b/backend/canisters/market_maker/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [unreleased]
 
+## [[2.0.981](https://github.com/open-chat-labs/open-chat/releases/tag/v2.0.981-market_maker)] - 2023-12-19
+
 ### Changed
 
 - Use dynamic buffer size when reading from stable memory ([#4683](https://github.com/open-chat-labs/open-chat/pull/4683))
diff --git a/backend/canisters/market_maker/impl/src/lib.rs b/backend/canisters/market_maker/impl/src/lib.rs
index 31229ecd68..9d314aa985 100644
--- a/backend/canisters/market_maker/impl/src/lib.rs
+++ b/backend/canisters/market_maker/impl/src/lib.rs
@@ -91,7 +91,6 @@ struct Data {
     pub orders_log: OrdersLog,
     pub my_open_orders: HashMap<ExchangeId, AggregatedOrders>,
     pub market_makers_in_progress: HashMap<ExchangeId, TimestampMillis>,
-    #[serde(default)]
     pub rng_seed: [u8; 32],
     pub test_mode: bool,
 }
diff --git a/backend/canisters/online_users/CHANGELOG.md b/backend/canisters/online_users/CHANGELOG.md
index 154ad7268e..a9b91355c5 100644
--- a/backend/canisters/online_users/CHANGELOG.md
+++ b/backend/canisters/online_users/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [unreleased]
 
+## [[2.0.982](https://github.com/open-chat-labs/open-chat/releases/tag/v2.0.982-online_users)] - 2023-12-19
+
 ### Changed
 
 - Use dynamic buffer size when reading from stable memory ([#4683](https://github.com/open-chat-labs/open-chat/pull/4683))
diff --git a/backend/canisters/online_users/impl/src/lib.rs b/backend/canisters/online_users/impl/src/lib.rs
index ef6b94dc6a..fcb992fc0f 100644
--- a/backend/canisters/online_users/impl/src/lib.rs
+++ b/backend/canisters/online_users/impl/src/lib.rs
@@ -54,7 +54,6 @@ struct Data {
     pub cycles_dispenser_canister_id: CanisterId,
     pub mark_as_online_count: u64,
     pub cached_active_users: ActiveUsers,
-    #[serde(default)]
     pub rng_seed: [u8; 32],
     pub test_mode: bool,
 }
diff --git a/backend/canisters/storage_bucket/CHANGELOG.md b/backend/canisters/storage_bucket/CHANGELOG.md
index a29ecf845c..0bdf360bec 100644
--- a/backend/canisters/storage_bucket/CHANGELOG.md
+++ b/backend/canisters/storage_bucket/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [unreleased]
 
+## [[2.0.984](https://github.com/open-chat-labs/open-chat/releases/tag/v2.0.984-storage_bucket)] - 2023-12-19
+
 ### Changed
 
 - Use dynamic buffer size when reading from stable memory ([#4683](https://github.com/open-chat-labs/open-chat/pull/4683))
diff --git a/backend/canisters/storage_bucket/impl/src/lib.rs b/backend/canisters/storage_bucket/impl/src/lib.rs
index c16afd073f..c2b84c1688 100644
--- a/backend/canisters/storage_bucket/impl/src/lib.rs
+++ b/backend/canisters/storage_bucket/impl/src/lib.rs
@@ -77,7 +77,6 @@ struct Data {
     index_sync_state: IndexSyncState,
     created: TimestampMillis,
     freezing_limit: Timestamped<Option<Cycles>>,
-    #[serde(default)]
     rng_seed: [u8; 32],
     test_mode: bool,
 }
diff --git a/backend/canisters/storage_index/CHANGELOG.md b/backend/canisters/storage_index/CHANGELOG.md
index 18c48fa764..e2e2f0d1bb 100644
--- a/backend/canisters/storage_index/CHANGELOG.md
+++ b/backend/canisters/storage_index/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [unreleased]
 
+## [[2.0.983](https://github.com/open-chat-labs/open-chat/releases/tag/v2.0.983-storage_index)] - 2023-12-19
+
 ### Changed
 
 - Use dynamic buffer size when reading from stable memory ([#4683](https://github.com/open-chat-labs/open-chat/pull/4683))
diff --git a/backend/canisters/storage_index/impl/src/lib.rs b/backend/canisters/storage_index/impl/src/lib.rs
index b5310279d6..70fac11094 100644
--- a/backend/canisters/storage_index/impl/src/lib.rs
+++ b/backend/canisters/storage_index/impl/src/lib.rs
@@ -96,7 +96,6 @@ struct Data {
     pub canisters_requiring_upgrade: CanistersRequiringUpgrade,
     pub total_cycles_spent_on_canisters: Cycles,
     pub cycles_dispenser_config: CyclesDispenserConfig,
-    #[serde(default)]
     pub rng_seed: [u8; 32],
     pub test_mode: bool,
 }
diff --git a/backend/canisters/user_index/CHANGELOG.md b/backend/canisters/user_index/CHANGELOG.md
index 5f7df3f698..72dd543fc4 100644
--- a/backend/canisters/user_index/CHANGELOG.md
+++ b/backend/canisters/user_index/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [unreleased]
 
+## [[2.0.977](https://github.com/open-chat-labs/open-chat/releases/tag/v2.0.977-user_index)] - 2023-12-19
+
 ### Changed
 
 - Some adjustments to modclub submissions ([#5000](https://github.com/open-chat-labs/open-chat/pull/5000))
diff --git a/canister_commit_ids.json b/canister_commit_ids.json
index dfdf975f4b..56dccb44e0 100644
--- a/canister_commit_ids.json
+++ b/canister_commit_ids.json
@@ -1,20 +1,20 @@
 {
-  "community": "8fc7321a630a859cfe7208fbe00319363d0f6dd4",
-  "cycles_dispenser": "496fd2aa54d194c29a7ba014ee1b6d7d1a2f9a00",
-  "group": "b898b4f27cb7941dfaeb4e71c830cc4875ad8032",
-  "group_index": "f61321c254e82bb07646160b9ca0fc5dd0a759ea",
-  "local_group_index": "bfb8dc5b93c36c34f21e88b52c36ad5d30b68e09",
-  "local_user_index": "f886c1630c5790e6518077d7b1fa8f85906f3fb2",
-  "market_maker": "9a6a38f86194b57dc8718c2a595ef4b00cf82d47",
+  "community": "d000cb13d031463e1c2938cf725e7102c98171b7",
+  "cycles_dispenser": "2914f73daa7a4d7b76cfbaf5b89b0df740443ffa",
+  "group": "d000cb13d031463e1c2938cf725e7102c98171b7",
+  "group_index": "2914f73daa7a4d7b76cfbaf5b89b0df740443ffa",
+  "local_group_index": "2914f73daa7a4d7b76cfbaf5b89b0df740443ffa",
+  "local_user_index": "2914f73daa7a4d7b76cfbaf5b89b0df740443ffa",
+  "market_maker": "2914f73daa7a4d7b76cfbaf5b89b0df740443ffa",
   "neuron_controller": "70cd194427a9eb48972ae8924b6e8a6be74199f4",
   "notifications": "91512f09ac773c85622fa84a7ea602d4273dcc8b",
   "notifications_index": "91512f09ac773c85622fa84a7ea602d4273dcc8b",
-  "online_users": "9a6a38f86194b57dc8718c2a595ef4b00cf82d47",
+  "online_users": "2914f73daa7a4d7b76cfbaf5b89b0df740443ffa",
   "proposals_bot": "23c4e18dfa32ad868ebf3588bd821d7c0d68d008",
   "proposal_validation": "03647d5475bd4cb1b6299c5688e6d4f97928559a",
   "registry": "2ab7483426e2248c5de9d54ad7fd4765771cd917",
-  "storage_bucket": "5c4fb8d98e68053c6d93050dfafbd2dbb4c3c9b9",
-  "storage_index": "8426b83456957cdc997374c8a01d9b641d1d3d08",
+  "storage_bucket": "d000cb13d031463e1c2938cf725e7102c98171b7",
+  "storage_index": "d000cb13d031463e1c2938cf725e7102c98171b7",
   "user": "6343c6c2a37fcf3e500dcc2df7b2b678155f2fd2",
-  "user_index": "91512f09ac773c85622fa84a7ea602d4273dcc8b"
+  "user_index": "2914f73daa7a4d7b76cfbaf5b89b0df740443ffa"
 }
diff --git a/upgrade_order.md b/upgrade_order.md
index a30c736119..e69de29bb2 100644
--- a/upgrade_order.md
+++ b/upgrade_order.md
@@ -1,5 +0,0 @@
-Group/Community -> User/ProposalsBot
-
-Because User and ProposalsBot canisters now use the new `c2c_send_message` endpoint which need to be released first.
-
-UserIndex -> LocalUserIndex because `display_name` has been removed from `UserRegistered` event
\ No newline at end of file