# Backward compatibility

**URL:** https://discourse.vtk.org/t/backward-compatibility/4512
**Category:** Development
**Created:** [October 28, 2020, 7:40pm UTC](https://discourse.vtk.org/t/backward-compatibility/4512 "2020-10-28T19:40:34Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![danlipsa](https://discourse.vtk.org/user_avatar/discourse.vtk.org/danlipsa/32/390_2.png) [@danlipsa](https://discourse.vtk.org/u/danlipsa)
#### Post date: [October 28, 2020, 7:58pm UTC](https://discourse.vtk.org/t/backward-compatibility/4512/2 "2020-10-28T19:58:31Z")

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See  
[https://discourse.vtk.org/t/use-vtk8-2-0-for-the-project-which-was-developed-based-on-vtk5-8-before/1983](https://discourse.vtk.org/t/use-vtk8-2-0-for-the-project-which-was-developed-based-on-vtk5-8-before/1983)

for a suggestion on how to upgrade.

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_[View the full topic](https://discourse.vtk.org/t/backward-compatibility/4512)._