Update CHANGELOG for 0.6.27
+## 0.6.27 (November 13, 2018)
+
+#### :nail_care: Enhancement
+
+- Sweeps work with new backend (early release).
+- Summary tracks all history metrics unless they're overridden by directly writing
+ to summary.
+- Files support in data API.
+
+#### :bug: Bug Fix
+
+- Show ongoing media file uploads in final upload progress.
+
## 0.6.26 (November 9, 2018)
#### :nail_care: Enhancement
