Most of you are already on the NEM2 Slack, but I thought it would be nice to bring the updates over to the Forum as well. This is from @gevs who is the Head Developer for the NEM Foundation. Enjoy!
Hey #sig-api 
nem2-library@v0.9.14:
- https://github.com/nemtech/nem2-library-js/releases/tag/v0.9.14
- https://www.npmjs.com/package/nem2-library/v/0.9.14
*nem2-sdk@0.11.3 
- https://github.com/nemtech/nem2-sdk-typescript-javascript/releases/tag/v0.11.3
- https://www.npmjs.com/package/nem2-sdk/v/0.11.3
Mostly fixes of Github issues including :
- Latest DTO upgrades (namespace + mosaic META dto)
- MosaicDefinition.duration made optional (lib + sdk)
- AggregateTransactionService with
isComplete()and validation of cosignatories - Cow Fees compatibility (+ maxFee + block issues)
- serialization exposure bugfixes (edited)
Follow here!
Github: https://github.com/evias
Twitter: https://twitter.com/eVias