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---
upgrade:
- |
`etcd` has been upgraded to version `3.4` in this release. Operators are
highly encouraged to read the `upgrade notes <https://etcd.io/docs/v3.4/upgrades/upgrade_3_4/>`__
for impacts on `etcd` clients. Upgrades are only supported from
`etcd v3.3`: Skip version upgrades are not supported. Please ensure that
adequate backups are taken before running the upgrade to guard against
dataloss.
- |
`etcd` version `3.4` drops support for the `v3alpha` endpoint. Internal
kolla-ansible endpoints have been updated, but operators are strongly
encouraged to audit any customizations or external users of `etcd`.
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