# Ignition 8.3 designer launcher

**URL:** <https://forum.inductiveautomation.com/t/ignition-8-3-designer-launcher/109285>\
**Category:** Ignition 8.3 Early Access\
**Created:** [August 2, 2025, 11:10am UTC](https://forum.inductiveautomation.com/t/ignition-8-3-designer-launcher/109285 "2025-08-02T11:10:55Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [August 2, 2025, 11:37am UTC](https://forum.inductiveautomation.com/t/ignition-8-3-designer-launcher/109285/2 "2025-08-02T11:37:57Z")

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Yes, but with some complications if the 8.1 versions are older than 8.1.34.

> [@Launch client jar invalid](https://forum.inductiveautomation.com/t/launch-client-jar-invalid/109145/5):
>
> Looks like this did get a section in the User Manual. The 8.3 manual does specifically mention 8.1.33 and older not working with the default of MODERATE. In the 8.1 launchers the default was set to LENIENT [8.1 Docs](https://docs.inductiveautomation.com/docs/8.1/launchers-and-workstation#signature-verification)[8.3 Docs](https://docs.inductiveautomation.com/docs/8.3/launchers-and-workstation#signature-verification)

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