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+## Release notes for firmament v0.8
+
+# Significant changes
+
+* Pod Affinity/Anti-Affinity optimization.
+
+# Required Actions
+
+To enable the new CPU-MEM cost model ```--flow_scheduling_cost_model```
+flag should be set to '10'
+like shown below
+
+```--flow_scheduling_cost_model=10```
+
+To enable the Pod Affinity/Anti-Affinity symmetry ```--pod_affinity_antiaffinity_symmetry```
+flag should be set to 'true' in the firmament config file 
+like show below 
+
+```firmament_scheduler_cpu_mem.cfg=true```
+
+This fix is based above the CPU-MEM cost model.
+This feature currently are not supported in other cost model.
+
+# Highlighted changes
+* [Pod Affinity/Anti-Affinity optimization](https://github.com/Huawei-PaaS/firmament/pull/39)
+
+
+
+# Full change list
+* [Pod Affinity/Anti-Affinity optimization](https://github.com/Huawei-PaaS/firmament/pull/39)
+
+