MongoDB Documentation, Release 3.0.4 1.7.1 1.7.2 1.7.0 Release Announcement Forum Pages • Sharding stability improvements. • $rename operator allows renaming of fields in a document. • db.eval() not to block. • Geo queries with sharding. • mongostat --discover option • Chunk splitting enhancements. • Replica sets network enhancements for servers behind a nat. • Many sharding performance enhancements. • Better support for $elemMatch on primitives in embedded arrays. • Query optimizer enhancements on range queries. • Window service enhancements. • Replica set setup improvements. • $pull works on primitives in arrays. • Sharding performance improvements for heavy insert loads. • Slave delay support for replica sets. • getLastErrorDefaults for replica sets. • Auto completion in the shell. • Spherical distance for geo search. • All fixes from 1.6.1 and 1.6.2. • 1.8.1$^{896}$, 1.8.0 897 • 1.7.6$^{898}$, 1.7.5$^{899}$, 1.7.4$^{900}$, 1.7.3$^{901}$, 1.7.2$^{902}$, 1.7.1$^{903}$, 1.7.0 904 $^{896}$https://groups.google.com/forum/?fromgroups=#!topic/mongodb-user/v09MbhEm62Y $^{897}$https://groups.google.com/forum/?fromgroups=#!topic/mongodb-user/JeHQOnam6Qk $^{898}$https://groups.google.com/forum/?fromgroups=#!topic/mongodb-user/3t6GNZ1qGYc $^{899}$https://groups.google.com/forum/?fromgroups=#!topic/mongodb-user/S5R0Tx9wkEg $^{900}$https://groups.google.com/forum/?fromgroups=#!topic/mongodb-user/9Om3Vuw-y9c $^{901}$https://groups.google.com/forum/?fromgroups=#!topic/mongodb-user/DfNUrdbmflI $^{902}$https://groups.google.com/forum/?fromgroups=#!topic/mongodb-user/df7mwK6Xixo $^{904}$https://groups.google.com/forum/?fromgroups=#!topic/mongodb-user/TUnJCg9161A $^{903}$https://groups.google.com/forum/?fromgroups=#!topic/mongodb-user/HUR9zYtTpA8 919 12.2. Previous Stable Releases