# Any feedback about Sierra 6.6 upgrade?

**URL:** https://forum.innovativeusers.org/t/any-feedback-about-sierra-6-6-upgrade/2947
**Category:** Sierra, Millennium & Encore
**Tags:** upgrade
**Created:** [May 25, 2026, 7:32pm UTC](https://forum.innovativeusers.org/t/any-feedback-about-sierra-6-6-upgrade/2947 "2026-05-25T19:32:39Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![ewright](https://forum.innovativeusers.org/letter_avatar_proxy/v4/letter/e/58f4c7/32.png) [@ewright](https://forum.innovativeusers.org/u/ewright)
#### Post date: [May 25, 2026, 7:32pm UTC](https://forum.innovativeusers.org/t/any-feedback-about-sierra-6-6-upgrade/2947/1 "2026-05-25T19:32:39Z")

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I just wondered if anyone has upgraded to Sierra 6.6. Any issues?  
Did the upgrade to PostgreSQL 16 break any queries or force you to upgrade PGAdmin (or equivalent)?

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### Author: ![SarahK](https://forum.innovativeusers.org/letter_avatar_proxy/v4/letter/s/ce7236/32.png) [@SarahK](https://forum.innovativeusers.org/u/SarahK)
#### Post date: [May 25, 2026, 7:42pm UTC](https://forum.innovativeusers.org/t/any-feedback-about-sierra-6-6-upgrade/2947/2 "2026-05-25T19:42:15Z")

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We’ve been on Sierra 6.6 for about a month (participated in beta testing). This was a very smooth upgrade with little impact to staff. I have not had to make any changes to queries and am still using the same version of pgAdmin that I was using before (not the most current version).

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### Author: ![kazi.jestribek](https://forum.innovativeusers.org/letter_avatar_proxy/v4/letter/k/59ef9b/32.png) [@kazi.jestribek](https://forum.innovativeusers.org/u/kazi.jestribek)
#### Post date: [August 7, 2026, 1:41pm UTC](https://forum.innovativeusers.org/t/any-feedback-about-sierra-6-6-upgrade/2947/3 "2026-08-07T13:41:05Z")

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We seem to have lost 30 years of record update history.