TBA: Audit thirdparty picasso
Proxy-safe?
$ ls mobile/android/thirdparty/com/squareup/picasso/
Action.java ContentStreamBitmapHunter.java GetAction.java PicassoDrawable.java Stats.java Utils.java
AssetBitmapHunter.java DeferredRequestCreator.java ImageViewAction.java PicassoExecutorService.java StatsSnapshot.java
BitmapHunter.java Dispatcher.java LruCache.java Picasso.java TargetAction.java
Cache.java Downloader.java MarkableInputStream.java RequestCreator.java Target.java
Callback.java FetchAction.java MediaStoreBitmapHunter.java Request.java Transformation.java
ContactsPhotoBitmapHunter.java FileBitmapHunter.java NetworkBitmapHunter.java ResourceBitmapHunter.java UrlConnectionDownloader.java
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information