Merge pull request #62 from ImagingDataCommons/sprint-gw-46

Portal v15 release notes added

portal/release-notes.md

@@ -8,7 +8,17 @@ _canceridc.\<date of webapp deployment in YYYYMMDDHHMM>.\<first 6 characters of
 where revision hash corresponds to that of the [IDC WebApp repo](https://github.com/ImagingDataCommons/IDC-WebApp).
 {% endhint %}
 
-## 13.0 March 7, 2022 (canceridc.202303071044.57def9a)
+## 15.0 July 14, 2023 (canceridc.202307141313.c80a691)
+Main highlights of this release include:
+
+* The file manifest for a filter can be downloaded without logging into the portal and creating a persistent cohort
+
+## 14.0 May 3, 2023 (canceridc.202305031458.443ea83)
+Main highlights of this release include:
+
+* The Export Cohort Manifest popup now includes options to download manifests that can be used by [s5cmd](https://github.com/peak/s5cmd) to download image files from IDC's s3 buckets in GCP or AWS. Instructions are provided for using s5cmd with these manifests  
+
+## 13.0 March 7, 2023 (canceridc.202303071044.57def9a)
 Main highlights of this release include:
 
 * Three new Original Image attributes Max Total Pixel Matrix Columns, Max Total Pixel Matrix Rows, and Min Pixel Spacing are added.