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What is Lemmy?

Lemmy is a self-hosted social link aggregation and discussion platform. It is completely free and open, and not controlled by any company. This means that there is no advertising, tracking, or secret algorithms. Content is organized into communities, so it is easy to subscribe to topics that you are interested in, and ignore others. Voting is used to bring the most interesting items to the top.

Major Changes

This version brings major optimizations to the database queries, which significantly reduces CPU usage. There is also a change to the way federation activities are stored, which reduces database size by around 80%. Special thanks to @phiresky for their work on DB optimizations.

The federation code now includes a check for dead instances which is used when sending activities. This helps to reduce the amount of outgoing POST requests, and also reduce server load.

In terms of security, Lemmy now performs HTML sanitization on all messages which are submitted through the API or received via federation. Together with the tightened content-security-policy from 0.18.2, cross-site scripting attacks are now much more difficult.

Other than that, there are numerous bug fixes and minor enhancements.

Support development

@dessalines and @nutomic are working full-time on Lemmy to integrate community contributions, fix bugs, optimize performance and much more. This work is funded exclusively through donations.

If you like using Lemmy, and want to make sure that we will always be available to work full time building it, consider donating to support its development. No one likes recurring donations, but they’ve proven to be the only way that open-source software like Lemmy can stay independent and alive.

Upgrade instructions

Follow the upgrade instructions for ansible or docker. There are no config or API changes with this release.

This upgrade takes ~5 minutes for the database migrations to complete.

You may need to run sudo chown 1000:1000 lemmy.hjson if you have any permissions errors.

If you need help with the upgrade, you can ask in our support forum or on the Matrix Chat.

  • wiki_me@lemmy.mlEnglish
    15·
    1 year ago

    Update on lemmy finances (not including cryptocurrencies)

    patreon: $1,591/month

    liberapay: $374.22 per week (about 1609 per month)

    open collective: $2082 (29/6/2023 -> 29/7/2023)

    Assuming 63K active users , the per user monetization of 0.08 dollar per user (Reddit’s revenue per monthly user is roughly $1.19).

    Estimated developer salary for the two main developers is about 2600$, estimated median salary for developer in the US is about 10K a month.

    For comparison firefish made about 1424$ ((29/6/2023 -> 29/7/2023) with an active users count of 11868 (or 8146 if you don’t count calckey, which i think is important because they added a pop up asking for donation, but i don’t know if that is after the name change) so that gives a per user monetization of 0.11 dollar per user ( or 0.17 not counting calckey).

    Corrections are welcomed.