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Add auto_subscribe_data_track to StartSession. #1366

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Merged
boks1971 merged 3 commits into from
Jan 14, 2026
Merged

Add auto_subscribe_data_track to StartSession. #1366

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0ca77a8
Add auto_subscribe_data_track to StartSession.
boks1971 Jan 14, 2026
bb20ec8
Update big-ducks-play.md for new feature
boks1971 Jan 14, 2026
1625307
generated protobuf
github-actions[bot] Jan 14, 2026
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6 changes: 6 additions & 0 deletions .changeset/big-ducks-play.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
---
"@livekit/protocol": patch
"github.com/livekit/protocol": patch
---

Add auto_subscribe_data_track to StartSession.
28 changes: 19 additions & 9 deletions livekit/livekit_internal.pb.go
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52 changes: 28 additions & 24 deletions protobufs/livekit_internal.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -15,17 +15,18 @@
syntax = "proto3";

package livekit;
option go_package = "github.com/livekit/protocol/livekit";
option csharp_namespace = "LiveKit.Proto";
option ruby_package = "LiveKit::Proto";

import "livekit_agent_dispatch.proto";
import "livekit_egress.proto";
// internal protos, not exposed to clients
import "livekit_models.proto";
import "livekit_egress.proto";
import "livekit_agent_dispatch.proto";
import "livekit_room.proto";
import "livekit_rtc.proto";

option csharp_namespace = "LiveKit.Proto";
option go_package = "github.com/livekit/protocol/livekit";
option ruby_package = "LiveKit::Proto";

enum NodeType {
SERVER = 0;
CONTROLLER = 1;
Expand Down Expand Up @@ -65,14 +66,14 @@ message NodeStats {
int32 num_tracks_in = 5;
int32 num_tracks_out = 6;
int32 num_track_publish_attempts = 36;
float track_publish_attempts_per_sec = 37 [deprecated=true];
float track_publish_attempts_per_sec = 37 [deprecated = true];
int32 num_track_publish_success = 38;
float track_publish_success_per_sec = 39 [deprecated=true];
float track_publish_success_per_sec = 39 [deprecated = true];
int32 num_track_publish_cancels = 51;
int32 num_track_subscribe_attempts = 40;
float track_subscribe_attempts_per_sec = 41 [deprecated=true];
float track_subscribe_attempts_per_sec = 41 [deprecated = true];
int32 num_track_subscribe_success = 42;
float track_subscribe_success_per_sec = 43 [deprecated=true];
float track_subscribe_success_per_sec = 43 [deprecated = true];
int32 num_track_subscribe_cancels = 52;

// packet
Expand All @@ -81,40 +82,40 @@ message NodeStats {
uint64 packets_in = 9;
uint64 packets_out = 10;
uint64 nack_total = 11;
float bytes_in_per_sec = 12 [deprecated=true];
float bytes_out_per_sec = 13 [deprecated=true];
float bytes_in_per_sec = 12 [deprecated = true];
float bytes_out_per_sec = 13 [deprecated = true];
float packets_in_per_sec = 14;
float packets_out_per_sec = 15 [deprecated=true];
float nack_per_sec = 16 [deprecated=true];
float packets_out_per_sec = 15 [deprecated = true];
float nack_per_sec = 16 [deprecated = true];

// system
uint32 num_cpus = 17;
float load_avg_last1min = 18;
float load_avg_last5min = 19;
float load_avg_last15min = 20;
float cpu_load = 21;
float memory_load = 33 [deprecated=true];
float memory_load = 33 [deprecated = true];
uint64 memory_total = 34;
uint64 memory_used = 35;
uint32 sys_packets_out = 28;
uint32 sys_packets_dropped = 29;
float sys_packets_out_per_sec = 30 [deprecated=true];
float sys_packets_dropped_per_sec = 31 [deprecated=true];
float sys_packets_dropped_pct_per_sec = 32 [deprecated=true];
float sys_packets_out_per_sec = 30 [deprecated = true];
float sys_packets_dropped_per_sec = 31 [deprecated = true];
float sys_packets_dropped_pct_per_sec = 32 [deprecated = true];

// retransmissions
uint64 retransmit_bytes_out = 22;
uint64 retransmit_packets_out = 23;
float retransmit_bytes_out_per_sec = 24 [deprecated=true];
float retransmit_packets_out_per_sec = 25 [deprecated=true];
float retransmit_bytes_out_per_sec = 24 [deprecated = true];
float retransmit_packets_out_per_sec = 25 [deprecated = true];

// participant joins
uint64 participant_signal_connected = 26;
float participant_signal_connected_per_sec = 27 [deprecated=true];
float participant_signal_connected_per_sec = 27 [deprecated = true];
uint64 participant_rtc_connected = 44;
float participant_rtc_connected_per_sec = 45 [deprecated=true];
float participant_rtc_connected_per_sec = 45 [deprecated = true];
uint64 participant_rtc_init = 46;
float participant_rtc_init_per_sec = 47 [deprecated=true];
float participant_rtc_init_per_sec = 47 [deprecated = true];
uint64 participant_rtc_canceled = 53;

// forward metrics
Expand Down Expand Up @@ -172,9 +173,10 @@ message StartSession {
// if a client is reconnecting (i.e. resume instead of restart)
bool reconnect = 4;
bool auto_subscribe = 9;
bool hidden = 10 [deprecated=true];
optional bool auto_subscribe_data_track = 25;
bool hidden = 10 [deprecated = true];
ClientInfo client = 11;
bool recorder = 12 [deprecated=true];
bool recorder = 12 [deprecated = true];
string name = 13;
// A user's ClaimGrants serialized in JSON
string grants_json = 14;
Expand All @@ -189,6 +191,8 @@ message StartSession {
SessionDescription publisher_offer = 22;
SyncState sync_state = 23;
bool use_single_peer_connection = 24;

// NEXT ID: 26
}

// room info that should not be returned to clients
Expand Down