Update changelog for 0.11.0 release (#1906)

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Changelog
 
-# 0.11.0 (pending)
+# 0.11.0
 
 ## Migration Disclaimer
 
@@ -17,6 +17,34 @@ If you run into any issues with the upgrade or need to downgrade to a previous v
 3. Modify the `bootstrappers` config in the M3DB YAML file from `filesystem, commitlog, peers, uninitialized_topology` to `filesystem, peers, commitlog, uninitialized_topology`. This will force the node to bootstrap from its peers instead of the local snapshot and commitlog files it has on disk, which is important otherwise when the node restarts, it will think that it has already been bootstrapped.
 4. Turn the node back on.
 
+## Features
+
+- **M3DB**: Add cluster repair capability for non-indexed data (#1831, #1849, #1862, #1874)
+- **M3DB**: Enable arbitrary out of order writes for non-indexed data (#1780, #1790, #1829)
+- **M3DB**: Expose debug dump on /debug/dump for zip file of profiles and data about the environment for debugging (#1811)
+- **M3Query**: Allow lookback duration to be set in query parameters for configurable lookback windowing (#1793)
+
+## Performance
+
+- **M3DB**: Improve base line write performance using pre-encoded tags instead of encoding just before commit log write (#1898, #1904)
+- **M3DB**: Avoid allocating expensive digest readers in seek.Open() (#1835)
+
+## Bug Fixes
+
+- **M3Query**: Fix PromQL variadic functions with no params specified (#1846)
+- **M3Query**: Fix PromQL absent function (#1871)
+- **M3Query**: Fix PromQL binary comparisons that use the time function (#1888)
+- **M3Query**: Fix multi-deployment queries (e.g. cross region) using temporal functions (#1901)
+- **M3DB**: Index queries to local node now returns only IDs owned by the node at time of read (#1822)
+- **M3DB**: Automatically create folder for KV cache, avoiding common error logs (#1757)
+- **M3Query**: Batch remote server responses to avoid large individual RPC messages (#1784)
+- **M3DB**: Use rlimit and setcap together to raise file descriptor limits to desired setting if possible (#1792, #1745, #1850)
+
+## Documentation
+
+- **M3DB**: Add shard and recommended block sizes (#1890)
+- **M3Coordinator**: Improve namespace specific read/write header documentation (#1884)
+
 # 0.10.2
 
 ## Performance