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We do maintain a complete changelog that tracks all the changes made to Woffice here: httphttps://hub.alka-webwoffice.comio/woffice/changelog
You can check any released feature from this document, which is also included in the main package as changelog.txt.
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This is possible thanks to the online Woffice archiver that let you download any release: https://hub.alka-webwoffice.comio/woffice/updater
Whenever you have the version you want to rollback, you just need to follow the steps from "Manual Updates" in the above section.
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