If you upgrade your MacOS to MacOS 27 Golden Gate, when you launch Notion 6, you will get an error message, as shown below:
In order for Notion 6 to continue to run, you will need to reinstall Rosetta on MacOS 27. Click the blue Install button.
WARNING: Rosetta will not work in MacOS 28, when that is released. This means that Notion 6 will no longer open on Silicon Macs on MacOS 28.
PLEASE NOTE: From January 13, 2027, Notion 6 will be End of Life, discontinued and no longer supported. Please refer to this knowledge base article for more information: https://support.presonus.com/hc/en-us/articles/42608019438989-PreSonus-Notion-6-Announcement