# \#upgrading

**URL:** https://forum.pkp.sfu.ca/tag/upgrading/182.md

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## [You are invited: PKP and Crossref to host 2 upcoming OJS events](https://forum.pkp.sfu.ca/t/you-are-invited-pkp-and-crossref-to-host-2-upcoming-ojs-events/98312)

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**Author:** [@fracy](https://forum.pkp.sfu.ca/u/fracy)\
**Replies:** 0\
**Last updated:** [May 20, 2026, 10:53pm UTC](https://forum.pkp.sfu.ca/t/you-are-invited-pkp-and-crossref-to-host-2-upcoming-ojs-events/98312 "2026-05-20T22:53:09Z")

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Hi all, PKP and Crossref continue to join forces – this time to provide events and resources for folks who wish to upgrade to OJS 3.5. Upgrading means not only will you be more a part of the scholarly publishing ecosys…