9f1c28e4ae
Coming straight from the cycle highlights. Change-Id: I329092a352d44a6833efd11f5e9c5a1c6fc8d1be
50 lines
2.3 KiB
YAML
50 lines
2.3 KiB
YAML
---
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prelude: |
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The 25.0.0 release includes many new features and bug fixes. Please be
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sure to read the upgrade section which describes the required actions to
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upgrade your cloud from 24.0.0 (Xena) to 25.0.0 (Yoga).
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There are a few major changes worth mentioning. This is not an exhaustive
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list:
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- The latest Compute API microversion supported for Yoga is `v2.90`__ (same
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as the Xena release).
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.. __: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html
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- Experimental support is added for Keystone's `unified limits`__.
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This will allow operators to test this feature in non-production
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systems so we can collect early feedback about performance.
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.. __: https://docs.openstack.org/keystone/latest/admin/unified-limits.html
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- Keystone's policy concepts of system vs. project scope and roles has been
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implemented in Nova and `defaults roles and scopes have been defined`__,
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while legacy policies continue to be enabled by default. Operators are
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encouraged to familiarize with the new policies and `enable them
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in advance`__ before Nova switches from the legacy roles in a later
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release.
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.. __: https://docs.openstack.org/nova/latest/configuration/policy-concepts.html#nova-supported-scope-roles
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.. __: https://docs.openstack.org/nova/latest/configuration/policy-concepts.html#migration-plan
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- Support is added for network backends that leverage SmartNICs to
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`offload the control plane from the host server`__. Accordingly, Neutron
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needs to be `configured`__ in order to enable it correctly.
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Increased security is enabled by removing the control plane from the
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host server and overhead is reduced by leveraging the cpu and ram
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resources on modern SmartNIC DPUs.
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.. __: https://docs.openstack.org/nova/latest/admin/networking.html#sr-iov
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.. __: https://docs.openstack.org/neutron/latest/admin/ovn/smartnic_dpu
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- Experimental support for `emulated architecture is now implemented`__.
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AArch64, PPC64LE, MIPs, and s390x guest architectures are
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available independent of the host architecture. This is strictly not
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intended for production use for various reasons, including no security
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guarantees.
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.. __: https://docs.openstack.org/nova/latest/admin/hw-emulation-architecture.html
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