We just released security patches for versions 3.5, 4.0, 4.1 and 4.2. If you are using nightly, you can upgrade to 4.2.0-rc2 safely. We strongly suggest you upgrade to one of those versions in the coming days.
Please note that Mastodon 3.5 will reach end-of-life at the end of the year, and 4.0 at the end of October. We strongly suggest you upgrade to 4.1 or 4.2 by that point! Mastodon 4.2 will be released this Thursday.
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@MastodonEngineering I have a digital ocean server, will that still be accessible when this reaches EOL?
@ericgtr @MastodonEngineering i would assume so. its just that the software version will no longer be receiving security updates which would put anyone using the server at risk.