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Comment by skrebbel | Hacker News Reader

As a current Firebase customer, I'm pretty thrilled about all this (especially since I was afraid Google would pull a Facebook here). However, there's quite a bunch of API changes and absolutely no info about how long the old JS library, endpoints, etc etc are to keep working. Should I get stressed out?

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(Firebase engineer here)

The old SDKs will continue to work! We worked extremely hard to make sure everything was backwards compatible with them. We most certainly do not want to break any existing customer apps. Check out the migration guides [1] to get your app updated to the new SDKs.

We understand migrating is not easy or always convenient. If you run into issues or something that used to work seems to be no longer work, please let us know. We will be giving you advanced warning if and when things get turned off.

[1] http://firebase.google.com/support/guides

Great! I found the guides but I couldn't find this info in there.

I like the new features and also the new JS API so I think that's plenty of incentive to migrate. Thanks!

We are using "Custom" authentication where we issue tokens based on a stored application secret. Is this still supported? I cannot find it in the documentation.

Thanks for the info! Hopping on this thread to ask one more question: does the JS API now support syncing even through going offline, like the iOS and Android SDKs do?

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