# V3 Issues & Fixes Thread **URL:** \ **Category:** Troubleshooting and Bugs\ **Created:** [July 28, 2023, 6:22pm UTC](https://forums.negativelabpro.com/t/v3-issues-fixes-thread/6431 "2023-07-28T18:22:09Z")\ **Posts on this page:** 1\ **Showing post:** 62
**Author:** ![Digitizer](https://avatars.discourse-cdn.com/v4/letter/d/57b2e6/32.png) [@Digitizer](https://forums.negativelabpro.com/u/Digitizer)\ **Post date:** [October 12, 2023, 7:04am UTC](https://forums.negativelabpro.com/t/v3-issues-fixes-thread/6431/62 "2023-10-12T07:04:30Z")
Careful with Lightroom 13… > [@Negative Lab Pro not working after upgrade to Lightroom Classic v13.0](https://forums.negativelabpro.com/t/negative-lab-pro-not-working-after-upgrade-to-lightroom-classic-v13-0/6824/5): > > UPDATE 10-15-23: This is FIXED as of Lightroom Classic v13.0.1. You should be safe to update to Lightroom Classic v13.0.1. Thanks @romanf Yes, I can confirm there appears to be a bug in LrC v13.0 that is preventing changes from taking effect. Users will need to downgrade to v12.5 or earlier until we can get this resolved. It is likely that Adobe will need to fix the bug with the SDK for this to work. This has happened once before and Adobe was super responsive in fixing it. “How do I downgr… --- _[View the full topic](https://forums.negativelabpro.com/t/v3-issues-fixes-thread/6431)._