# RC v1.4.0-rc.1 | All data lost (!) after Update

**URL:** https://forum.syncthing.net/t/rc-v1-4-0-rc-1-all-data-lost-after-update/14483
**Category:** Development
**Created:** [February 11, 2020, 9:57am UTC](https://forum.syncthing.net/t/rc-v1-4-0-rc-1-all-data-lost-after-update/14483 "2020-02-11T09:57:52Z")
**Posts on this page:** 1
**Showing post:** 11

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### Author: ![Andy](https://forum.syncthing.net/user_avatar/forum.syncthing.net/andy/32/7128_2.png) [@Andy](https://forum.syncthing.net/u/Andy)
#### Post date: [February 11, 2020, 3:50pm UTC](https://forum.syncthing.net/t/rc-v1-4-0-rc-1-all-data-lost-after-update/14483/11 "2020-02-11T15:50:14Z")

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> [@Panic v1.4.0-rc.1](https://forum.syncthing.net/t/panic-v1-4-0-rc-1/14489/5):
>
> I’ve released an rc.2 with the fix for the panic. However the underlying cause is that there is some strangeness in the database, so you might want to keep an eye open to see if there are any other oddities happening.

I made the update to v1.4.0 rc2 on all Windows 10 devices with success.

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