# Prime4 firmware upgrade working well?

**URL:** https://community.enginedj.com/t/prime4-firmware-upgrade-working-well/35476
**Category:** Standalone Controllers
**Tags:** engine-os, prime4
**Created:** [October 5, 2021, 10:30pm UTC](https://community.enginedj.com/t/prime4-firmware-upgrade-working-well/35476 "2021-10-05T22:30:19Z")
**Posts on this page:** 1
**Showing post:** 33

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### Author: ![AIRVince](https://community.enginedj.com/user_avatar/community.enginedj.com/airvince/32/19769_2.png) [@AIRVince](https://community.enginedj.com/u/AIRVince)
#### Post date: [October 13, 2021, 4:03pm UTC](https://community.enginedj.com/t/prime4-firmware-upgrade-working-well/35476/33 "2021-10-13T16:03:16Z")

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Hey folks, The waveform alignment / Parallax issue is known and we are working on a fix for it. Thanks to everyone who took the time to report it. The main thread can be found here: [[Confirmed] V2.0 - Waveforms only sync on white centre line - #72 by alphavicen](https://community.enginedj.com/t/confirmed-v2-0-waveforms-only-sync-on-white-centre-line/35548/72)

There are 2 issues which DJonboard has posted which we’ve been having difficulty reproducing here. If anyone has additional info, has seen these or has any ideas on how to reproduce these issues, please comment in the respective posts:

[https://community.enginedj.com/t/missing-entry-in-playlist/35983/2](https://community.enginedj.com/t/missing-entry-in-playlist/35983/2)

[https://community.enginedj.com/t/missing-waves-in-2-0/35752/17](https://community.enginedj.com/t/missing-waves-in-2-0/35752/17)

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