JetBrains Toolbox can't download IDEA 2017.1

JetBrains Toolbox app (version 1.2.2314) can't download the newest Intellij IDEA Ultimate 2017.1.

Neither install nor update button works. It just says "Download failed. Download error: File size exceeds limit 615882928 bytes" while downloading almost complete.

OS: Ubuntu 16.04.2 LTS

JDK: oracle 1.8.0_121

Here is the log:

1.2.2314 4278 2017-03-24T10:25:52.299 DEBUG Installing [ install-item: channel: local channel: app "IDEA-U" channel "ch-0", item: app "IDEA-U" version "2017.1" build "171.3780.107" ]
1.2.2314 4278 2017-03-24T10:25:52.299 DEBUG Creating download action for url "https://download.jetbrains.com/~urlswitch/idea/ideaIU-2017.1.tar.gz?fromJetBrainsToolbox"
1.2.2314 4278 2017-03-24T10:25:52.299 INFO ApplicationInstallerAction : will install application app "IDEA-U" version "2017.1" build "171.3780.107"
1.2.2314 4278 2017-03-24T10:25:52.299 DEBUG Temporary file at "/tmp/Toolbox-YOY4n9/download.temp" open true writable true
1.2.2314 4278 2017-03-24T10:25:52.299 INFO Started request QUrl("https://download.jetbrains.com/~urlswitch/idea/ideaIU-2017.1.tar.gz?fromJetBrainsToolbox")
1.2.2314 4278 2017-03-24T10:26:04.536 INFO "https://download.jetbrains.com/~urlswitch/idea/ideaIU-2017.1.tar.gz?fromJetBrainsToolbox" redirects to QUrl("https://download.jetbrains.8686c.com/idea/ideaIU-2017.1.tar.gz")
1.2.2314 4278 2017-03-24T10:32:38.592 ERROR DownloadAction::replyReadyRead: "File size exceeds limit 615882928 bytes"
1.2.2314 4278 2017-03-24T10:32:38.592 INFO DownloadAction::replyError: "Operation canceled" from: QUrl("https://download.jetbrains.8686c.com/idea/ideaIU-2017.1.tar.gz") error code: QNetworkReply::NetworkError(OperationCanceledError)
1.2.2314 4278 2017-03-24T10:32:38.592 ERROR DownloadAction::replyReadyRead: Error: "Operation canceled"
1.2.2314 4278 2017-03-24T10:32:38.592 DEBUG "https://download.jetbrains.com/~urlswitch/idea/ideaIU-2017.1.tar.gz?fromJetBrainsToolbox request headers (User-Agent: Toolbox/1.2.2314 (Ubuntu 16.04.2 LTS; Linux x86_64), Accept-Encoding: identity, Cache-Control: max-age=10800, must-revalidate) response 200 (Location: https://download.jetbrains.8686c.com/idea/ideaIU-2017.1.tar.gz, Date: Fri, 24 Mar 2017 02:26:04 GMT, Tue, 21 Mar 2017 14:20:26 GMT, Access-Control-Allow-Origin: *, ETag: \"lpvbwyr0ctBICnH0M--_7D1vLTkH\", Last-Modified: Mon, 20 Mar 2017 19:49:16 GMT, Content-Type: text/html, application/octet-stream;charset=UTF-8, Server: nginx, WS-web-server, Content-Length: 154, 615947647, Age: 216338, Via: 1.1 sxll163:0 (Cdn Cache Server V2.0), Connection: keep-alive, keep-alive"
1.2.2314 4278 2017-03-24T10:32:38.592 DEBUG Finished request QUrl("https://download.jetbrains.com/~urlswitch/idea/ideaIU-2017.1.tar.gz?fromJetBrainsToolbox") size: 615874129
1.2.2314 4278 2017-03-24T10:32:38.592 WARN Download failed. "Download error: File size exceeds limit 615882928 bytes"
1.2.2314 4278 2017-03-24T10:32:38.695 ERROR "Download failed. Download error: File size exceeds limit 615882928 bytes"

CDN says the file size is 615947647, but what is the file size limit 615882928 ?