# Ignition 7.6.7 version to 8.1

**URL:** <https://forum.inductiveautomation.com/t/ignition-7-6-7-version-to-8-1/82991>\
**Category:** Ignition\
**Created:** [December 11, 2023, 5:25pm UTC](https://forum.inductiveautomation.com/t/ignition-7-6-7-version-to-8-1/82991 "2023-12-11T17:25:25Z")\
**Posts on this page:** 1\
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**Author:** ![Matrix\_Engineering](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/matrix_engineering/32/19781_2.png) [@Matrix\_Engineering](https://forum.inductiveautomation.com/u/Matrix_Engineering)\
**Post date:** [December 11, 2023, 6:08pm UTC](https://forum.inductiveautomation.com/t/ignition-7-6-7-version-to-8-1/82991/2 "2023-12-11T18:08:03Z")

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7.6!!!

> [@Undocumented changes when migrating from v7 to v8](https://forum.inductiveautomation.com/t/undocumented-changes-when-migrating-from-v7-to-v8/38044):
>
> Just some items I’ve found during v7 to v8 upgrades that may not be documented (some of them might be) and can cause hiccups (and quite a bit of work, relatively speaking!). The official guide to upgrading from IA is [here](https://docs.inductiveautomation.com/display/DOC81/Ignition+8+Upgrade+Guide). Tags: UDT v7 property UDTParentType has been renamed in v8 to TypeId Tag quality string values have changed. E.g. EDITED FOR 8.1.10 below 8.1.10 “Not Found” ==\> “Bad\_NotFound”; “Disabled” ==\> “Bad\_Disabled”; 8.1.10 and above “Bad\_NotFound(Error description…)”, “Bad\_ErrorC…

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