## Aggregation Framework 

• SERVER-17426 327 Aggregation framework query by _id returns duplicates in sharded cluster (orphan docu- ments) 

• SERVER-17224 328 Aggregation pipeline with 64MB document can terminate server 

## Build and Platform 

• SERVER-17484 329 Migrate server MCI config into server repo 

• SERVER-17252 330 Upgrade PCRE Version from 8.30 to Latest 

## Diagnostics and Internal Code 

• SERVER-17226 331 top command with 64MB result document can terminate server 

• SERVER-17338 332 NULL pointer crash when running copydb against stepped-down 2.6 primary 

• SERVER-14992 333 Query for Windows 7 File Allocation Fix, and other hotfixes 

## 2.6.8 – Changes 

## Security and Networking 

• SERVER-17278 334 BSON BinData validation enforcement 

• SERVER-17022 335 No SSL Session Caching may not be respected 

• SERVER-17264 336 improve bson validation 

## Query and Aggregation 

• SERVER-16655 337 Geo predicate is unable to use compound 2dsphere index if it is root of $or clause 

• SERVER-16527 338 2dsphere explain reports “works” for nscanned & nscannedObjects 

• SERVER-15802 339 Query optimizer should always use equality predicate over unique index when possible 

• SERVER-14044 340 Incorrect {$meta: ’text’} reference in aggregation $sort error message 

