From f86755071612b004b34d325b7e8d26d13ca15e83 Mon Sep 17 00:00:00 2001
From: Raja Subramanian <raja.gobi@tutanota.com>
Date: Wed, 14 Jan 2026 20:18:58 +0530
Subject: [PATCH] Do not remove participant from cache on disconnect. (#4241)

Resuming participants need to know about participants disconnected
during resume.

Reverts https://github.com/livekit/livekit/pull/4234
---
 pkg/rtc/participant_signal.go | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/pkg/rtc/participant_signal.go b/pkg/rtc/participant_signal.go
index adadc44ac..3fa388adc 100644
--- a/pkg/rtc/participant_signal.go
+++ b/pkg/rtc/participant_signal.go
@@ -118,10 +118,6 @@ func (p *ParticipantImpl) SendParticipantUpdate(participantsToUpdate []*livekit.
 			})
 			validUpdates = append(validUpdates, pi)
 		}
-
-		if pi.State == livekit.ParticipantInfo_DISCONNECTED {
-			p.updateCache.Remove(pID)
-		}
 	}
 	p.updateLock.Unlock()