• Resolve write conflicts with multi-update updates with upsert=true with the Wired Tiger Storage engine: SERVER-18213 207 

• Fix case where secondary reads could block replication: SERVER-18190 208 

• Improve performance on Windows with WiredTiger and documents larger than 16kb: SERVER-18079 209 

• Fix issue where WiredTiger data files are not correctly recovered following unexpected system restarts: SERVER-18316 210 

• All issues closed in 3.0.4 211 

## 3.0.3 – May 12, 2015 

• Deprecate db.eval() and add warnings: SERVER-17453 212 

• Fix potential for abrupt termination with the Windows service stop operation: SERVER-17802 213 

• Fix crash caused by update with a key too large to index on WiredTiger and RocksDB storage engines: SERVER- 17882 214 

• Remove inconsistent support for mapReduce in eval environment: SERVER-17889 215 

• All issues closed in 3.0.3 216 

## 3.0.2 – April 9, 2015 

• Fix inefficient query plans for 2d $nearSphere : SERVER-17469 217 

• Fix problem starting mongod during repair operations with WiredTiger: SERVER-17652 218 and SERVER- 17729 219 

• Resolved invalid compression stream error with WiredTiger and zlib block compression: SERVER-17713 220 

• Fix memory use issue for inserts into large indexed arrays: SERVER-17616 221 

• All issues closed in 3.0.2 222 

## 3.0.1 – March 17, 2015 

• Fixed race condition in WiredTiger between inserts and checkpoints that could result in lost records: SERVER- 17506$^{223}$. 

