Join In Progress stops working after 10–20 minutes in Creative sessions

General Issues and Bug Reporting
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Summary

Join In Progress stops working after about 10–20 minutes in Creative sessions.

Players can join normally when the session starts, but after around 10–20 minutes the session stops receiving new players even though Join In Progress is enabled in Island Settings.

This issue started happening after the latest Fortnite update and occurs randomly across sessions.

Please select what you are reporting on:

Creative

What Type of Bug are you experiencing?

Matchmaking

Steps to Reproduce

  1. Start a Creative session on the island.
  2. Players can join normally at the beginning of the session.
  3. Wait around 10–20 minutes while players are still inside the session.
  4. After this time, no new players are sent to the session even though Join In Progress is enabled.
  5. The session continues running but matchmaking no longer fills it.

Expected Result

Players should continue joining the session as long as Join In Progress is enabled and the session is still active.

Observed Result

After approximately 10–20 minutes, matchmaking stops sending new players to the session. The session stays active but no new players join.

Platform(s)

All platforms

Island Code

9862-4661-6699

Upload an image

images.png
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Additional Notes

The screenshot shows a session with 28 players. A few minutes later the session reached 40 players, but after that no new players were able to join even though the session had only been running for around 15 minutes.

Join In Progress is enabled in Island Settings.

This suggests that matchmaking stops sending players to the session even while the session is still active.

Also, the server region for this island is Middle East, and most of the players joining the map are from the Middle East region. This issue may be related to matchmaking behavior on Middle East servers.

This issue started occurring after the most recent Fortnite update.

If you want to join the map, you spawn in my new session, but everyone should spawn in one session.
Matchmaking issue – players always placed into separate sessions instead of the same lobby
5

FORT-1068530 is ‘Closed’ as ‘Fixed’. The issue will be addressed in 40.10.

6

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Issue is still reproducible on 40.10.

I tested again after updating to 40.10, and Join In Progress still stops working after around 10–20 minutes. New players stop being sent to the active session even though Join In Progress is enabled and the session is still running.

This means the issue is either:

  • not actually fixed in 40.10,

  • only partially fixed,

  • or still reproducible under certain conditions.

Current result on 40.10:

  • players can join normally at session start,

  • after ~10–20 minutes, matchmaking stops filling the same active session,

  • players are no longer routed into the existing lobby.

Please reopen FORT-1068530 or re-investigate it.

Extra details:

  • Island code: 9862-4661-6699

  • Platforms: multiple / all platforms tested

  • Reproducible after 40.10 update

@Flak

7

Hmm I will try test this, but have not noticed anything yet (but haven’t been looking for it either) my game is 1 round till servers stops, I use a player counter connected to the round devices by on player counted/removed signals , which as the count changes sends a fresh signal to the round device to allow/disallow players to join depending on count. Then again maybe it’s those fresh signals that have also prevented me having the issue.