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A new home and license (AGPL) for Synapse and friends

element.io /blog/element-to-adopt-agplv3/
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Synapse and Dendrite relicensed to AGPLv3

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  • This is actually quite a controversial change mainly because of their switch to a CLA. This indirectly gives them the opportunity to switch the license to closed source whenever they feel like it in the future. Semi-controversially, they are also primarly making this AGPL change in order to begin selling dual-licensing to companies. The Matrix Foundation itself does not support this change from Element, though Element is within its rights to do so.

    You can read some more thoughts on this from the pessimistic folks at HackerNews. My main takeaway is that I don't trust Element because I don't trust anyone. I'm sure they're doing this in good faith but I don't like the power they have at the moment. I hope this is what's needed to begin focusing efforts on alternative homeserver implementations like Conduit.

    • Conduit is also licensed under Apache 2.0, so it could also be taken closed source at any point in time. The reason this wouldn't impact Conduit as much is that there're other contributors, whilst Synapse and Dendrite are almost exclusively developed by Element.

      The CLA is necessary since Element funds the development of their servers by contracting with companies, governments and institutions which have special needs. Publishing those patches might be against their customers wishes.

      The AGPL ensures no one else can make proprietary changes but Element because of their CLA. This makes it unattractive for companies and volunteers to contribute to Element's servers, which isn't a problem because those contributors didn't exist in the first place.

      As I understand it, the people who feel strongly about this change feel like their trust was betrayed by Element. The others are probably corporation's like reddit who don't want to contribute anyway but are now not able to profit off of Elements work.

      My opinion is split. On the one hand I like the change to AGPL, since it forces forks to continue to be foss. On the other hand, Element continues to be allowed to license the code differently, so it doesn't really change that the code could be closed off at any point in time.

      The most important question is whether this change will benefit Element. Status quo is companies taking without giving back. Now corporations and volunteers won't contribute code because of the CLA and AGPL. This means Element hopes those corporations will contract with Element to get access to differently licensed code for a monetary contribution.

      I think reddit will just develop their own server, but maybe smaller companies (like in the health care sector) will pay Element.

    • I really, really hope this leads to development of data portability/server migration options. When I set my homeserver up, I chose Synapse as I didn't know about the other servers. Now that I do, and would like to switch away because of Synapse's performance problems and the new CLA stuff, I realize I and all my users are fully locked in, and would have to start from scratch (lose all chats, profiles, etc) to migrate.

    • XMPP was there before Matrix and will be there after Matrix dies when the venture capitalists behind Element funding decide to move the money somewhere else.

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