# Differences between Slicer Versions

**URL:** https://discourse.slicer.org/t/differences-between-slicer-versions/10672
**Category:** Development
**Created:** [March 13, 2020, 3:16pm UTC](https://discourse.slicer.org/t/differences-between-slicer-versions/10672 "2020-03-13T15:16:22Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![pieper](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/pieper/32/8_2.png) [@pieper](https://discourse.slicer.org/u/pieper)
#### Post date: [March 13, 2020, 4:11pm UTC](https://discourse.slicer.org/t/differences-between-slicer-versions/10672/2 "2020-03-13T16:11:59Z")

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Hi @siaeleni -

Is it related to [the change from LPS to RAS](https://discourse.slicer.org/t/model-files-are-now-saved-in-lps-coordinate-system/10446)? If not, then it could be related to the version of VTK. If so the best thing might be to create a short python script to reproduce the issue with sample data to post on the VTK github.

Regarding the release, it’ll be called Slicer5, and it’s being tracked here:

[https://www.slicer.org/wiki/Documentation/Labs/Slicer5-roadmap](https://www.slicer.org/wiki/Documentation/Labs/Slicer5-roadmap)

It’s a major effort that doesn’t currently have dedicated funding so people are doing it as a kind of side project with no firm release date. Hopefully soon.

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