• SERVER-14350 469 Server crash when $centerSphere has non-positive radius 

• SERVER-14317 470 Dead code in IDHackRunner::applyProjection 

• SERVER-14311 471 skipping of index keys is not accounted for in plan ranking by the index scan stage 

• SERVER-14123 472 some operations can create BSON object larger than the 16MB limit 

• SERVER-14034 473 Sorted $in query with large number of elements can’t use merge sort 

• SERVER-13994 474 do not aggressively pre-fetch data for parallelCollectionScan 

## Replication 

• SERVER-14665 475 Build failure for v2.6 in closeall.js caused by access violation reading _me 

• SERVER-14505 476 cannot dropAllIndexes when index builds in progress assertion failure 

• SERVER-14494 477 Dropping collection during active background index build on secondary triggers segfault 

• SERVER-13822 478 Running resync before replset config is loaded can crash mongod 

• SERVER-11776 479 Replication ‘isself’ check should allow mapped ports 

## Sharding 

• SERVER-14551 480 Runner yield during migration cleanup (removeRange) results in fassert 

• SERVER-14431 481 Invalid chunk data after splitting on a key that’s too large 

• SERVER-14261 482 stepdown during migration range delete can abort mongod 

• SERVER-14032 483 v2.6 mongos doesn’t verify _id is present for config server upserts 

• SERVER-13648 484 better stats from migration cleanup 

• SERVER-12750 485 mongos shouldn’t accept initial query with “exhaust” flag set 

• SERVER-9788 $^{486}$mongos does not re-evaluate read preference once a valid replica set member is chosen 

• SERVER-9526 487 Log messages regarding chunks not very informative when the shard key is of type BinData 

