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diff --git a/release-notes/7.0/preview/api-diff/rc2/Microsoft.AspNetCore.App/7.0-rc2_Microsoft.AspNetCore.OutputCaching.md b/release-notes/7.0/preview/api-diff/rc2/Microsoft.AspNetCore.App/7.0-rc2_Microsoft.AspNetCore.OutputCaching.md
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+++ b/release-notes/7.0/preview/api-diff/rc2/Microsoft.AspNetCore.App/7.0-rc2_Microsoft.AspNetCore.OutputCaching.md
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+# Microsoft.AspNetCore.OutputCaching
+
+``` diff
+ namespace Microsoft.AspNetCore.OutputCaching {
+     public sealed class CacheVaryByRules {
++        public string CacheKeyPrefix { get; set; }
+-        public IDictionary<string, string> VaryByCustom { get; }
++        public bool VaryByHost { get; set; }
+-        public StringValues VaryByPrefix { get; set; }
++        public IDictionary<string, string> VaryByValues { get; }
+     }
+     public class OutputCacheOptions {
++        public void AddBasePolicy(Action<OutputCachePolicyBuilder> build, bool excludeDefaultPolicy);
++        public void AddPolicy(string name, Action<OutputCachePolicyBuilder> build, bool excludeDefaultPolicy);
+     }
+     public sealed class OutputCachePolicyBuilder {
+-        public OutputCachePolicyBuilder();
+-        public OutputCachePolicyBuilder AllowLocking(bool lockResponse = true);
+-        public OutputCachePolicyBuilder Clear();
++        public OutputCachePolicyBuilder SetCacheKeyPrefix(Func<HttpContext, string> keyPrefix);
++        public OutputCachePolicyBuilder SetCacheKeyPrefix(Func<HttpContext, CancellationToken, ValueTask<string>> keyPrefix);
++        public OutputCachePolicyBuilder SetCacheKeyPrefix(string keyPrefix);
++        public OutputCachePolicyBuilder SetLocking(bool enabled);
++        public OutputCachePolicyBuilder SetVaryByHeader(string headerName, params string[] headerNames);
++        public OutputCachePolicyBuilder SetVaryByHeader(string[] headerNames);
++        public OutputCachePolicyBuilder SetVaryByHost(bool enabled);
++        public OutputCachePolicyBuilder SetVaryByQuery(string queryKey, params string[] queryKeys);
++        public OutputCachePolicyBuilder SetVaryByQuery(string[] queryKeys);
++        public OutputCachePolicyBuilder SetVaryByRouteValue(string routeValueName, params string[] routeValueNames);
++        public OutputCachePolicyBuilder SetVaryByRouteValue(string[] routeValueNames);
+-        public OutputCachePolicyBuilder VaryByHeader(params string[] headerNames);
+-        public OutputCachePolicyBuilder VaryByQuery(params string[] queryKeys);
+-        public OutputCachePolicyBuilder VaryByRouteValue(params string[] routeValueNames);
+-        public OutputCachePolicyBuilder VaryByValue(Func<HttpContext, string> varyBy);
+-        public OutputCachePolicyBuilder VaryByValue(Func<HttpContext, CancellationToken, ValueTask<string>> varyBy);
++        public OutputCachePolicyBuilder VaryByValue(string key, string value);
+     }
+ }
+```
+