## Logging and Diagnostics 

• SERVER-14964 452 nscanned not written to the logs at logLevel 1 unless slowms exceeded or profiling enabled 

• SERVER-12551 453 Audit DML/CRUD operations 

• SERVER-14904 454 Adjust dates in tool/exportimport_date.js to account for different timezones 

## Internal Code and Testing 

• SERVER-13770 455 Helpers::removeRange should check all runner states 

• SERVER-14284 456 jstests should not leave profiler enabled at test run end 

• SERVER-14076 457 remove test replset_remove_node.js 

• SERVER-14778 458 Hide function and data pointers for natively-injected v8 functions 

## 2.6.4 – Changes 

## Security 

• SERVER-14701 459 The “backup” auth role should allow running the “collstats” command for all resources 

• SERVER-14518 460 Allow disabling hostname validation for SSL 

• SERVER-14268 461 Potential information leak 

• SERVER-14170 462 Cannot read from secondary if both audit and auth are enabled in a sharded cluster 

• SERVER-13833 463 userAdminAnyDatabase role should be able to create indexes on admin.system.users and admin.system.roles 

• SERVER-12512 464 Add role-based, selective audit logging. 

• SERVER-9482 465 Add build flag for sslFIPSMode 

## Querying 

• SERVER-14625 466 Query planner can construct incorrect bounds for negations inside $elemMatch 

• SERVER-14607 467 hash intersection of fetched and non-fetched data can discard data from a result 

• SERVER-14532 468 Improve logging in the case of plan ranker ties 

