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Fixed in 5.2.3



Found in


Issue ID




Memory leak when shadows are turned on (5.2 regression)



To reproduce:
1. Open the project in ""
2. Open the scene "testscene"
3. Build it to windows
4. Open task manager
5. bring the build into focus (click on it)
Observe that memory usage is gradually climbing. On my machine it is climbing at about 1.5 MB/minute. If the light is deleted, or the shadows turned off, the memory leak doesn't happen.

Reproduction in: 5.2.1p3, 5.3.0b3
No reproduction in: 5.0.4f1, 5.1.4f1

Comments (7)

  1. mikelortega

    Nov 05, 2015 14:31

    It is fixed in patch release 5.2.2p2, here:


  2. Toba

    Oct 30, 2015 14:33

    Alright, my bad, didn't see that it said that it has been fixed for 5.2.3 so we just need to wait for that. Any news on the release date though? This really looks like high priority. Thanks!

  3. Toba

    Oct 30, 2015 14:31

    Same here and we're using the last version of Unity (5.2.2f1) so it has not been fixed people!

    Here is about 2 MB/sec and our last game build is currently crashing in some PCs with 6 RAM or less.

  4. playsicko

    Oct 22, 2015 12:19

    Mine at 3MB/s because of 20 lights in a small scene

  5. hansi

    Oct 22, 2015 09:38

    Yes, I totally agree. It should have the highest priority. My climbing rate is also close to 6MB/s.

  6. tmdchi

    Oct 22, 2015 08:21

    Mine climbs at 6MB/sec. It should be highest priority.

  7. mikelortega

    Oct 21, 2015 20:53

    Also found in 5.2.2f1

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