```release-note:change
auth/userpass: Drop support for Vault v0.2 password entries with no hash.
sys/initialize: Drop support for pre Vault 1.3 stored Shamir share unseal.
command/ssh: Drop support for pre Vault 1.1 auto-SSH role detection.
plugins: Drop support for pre Vault 0.9.4 non-GRPC communication protocols.
core: Drop support for pre Vault 1.10 batch tokens.
core: Drop support for pre Vault 1.0 namespaces.
```
