***CloudWatch**: Support for multiple AWS Credentials, closes [#3053](https://github.com/grafana/grafana/issues/3053), [#3080](https://github.com/grafana/grafana/issues/3080)
***CloudWatch**: Support for multiple AWS Credentials, closes [#3053](https://github.com/grafana/grafana/issues/3053), [#3080](https://github.com/grafana/grafana/issues/3080)
***Elasticsearch**: Support for dynamic daily indices for annotations, closes [#3061](https://github.com/grafana/grafana/issues/3061)
***Elasticsearch**: Support for dynamic daily indices for annotations, closes [#3061](https://github.com/grafana/grafana/issues/3061)
***Graph Panel**: Option to hide series with all zeroes from legend and tooltip, closes [#1381](https://github.com/grafana/grafana/issues/1381), [#3336](https://github.com/grafana/grafana/issues/3336)
### Bug Fixes
### Bug Fixes
***cloudwatch**: fix for handling of period for long time ranges, fixes [#3086](https://github.com/grafana/grafana/issues/3086)
***cloudwatch**: fix for handling of period for long time ranges, fixes [#3086](https://github.com/grafana/grafana/issues/3086)
<inputtype="number"class="input-small tight-form-input"placeholder="auto"bs-tooltip="'Override automatic decimal precision for legend and tooltips'"data-placement="right"
<inputtype="number"class="input-small tight-form-input"placeholder="auto"bs-tooltip="'Override automatic decimal precision for legend and tooltips'"data-placement="right"