New Release Communique

The default limit is 10,000 files to be drag and dropped to the web browser.

The max size files could be uploaded previously via web browser was 2GB. The update has changed the file size limit to your subscribed bundle.

https://forums.aws.amazon.com/message.jspa?messageID=851817

See the last comment from SeanM@AWS on Jan 23, 2019:

On February 1, 2019, a number of companies that provide DNS software and DNS service are removing some workarounds for long-known deficiencies in several DNS products. The website for this campaign, https://dnsflagday.net/, includes a test that lets you see whether your domain is affected by these changes. If you run the test on a domain that uses Route 53 as the DNS service, you’ll see the message “Minor problems detected!” The accompanying technical report shows that Route 53 doesn’t support the EDNS extension EDNS1. While this is true, it’s missing some important context.
Route 53 fully supports EDNS0, the only version of EDNS that has been ratified by the IETF. The test is reporting that Route 53 responds in an unexpected way when presented with another EDNS version (EDNS1 in the example, but it could just as easily be EDNS42, neither of which exist today). We’re working on a change now, which will ensure that Route 53 returns the appropriate response to DNS queries that include an unrecognized EDNS extension.

1) IP Whitelist by account and by individual users
2) Password complexity policy per industry standard
3) FTP server passive port bug fix (pre-emptive fix)

All of the FTP servers will be down for approximately 10 minutes @ 10 AM (per maintenance release policy)

1) Deploy SFTP timeout fix that has been running in Australia speed relay to all servers (pre-emptive fix)
2) Update AWS SES settings to enable working backup when email notification service SendGrid goes down (pre-emptive fix)

All of the FTP servers will be down for approximately 10 minutes @ 10 AM (per maintenance release policy)

Typically systems will negotiate with our service at connection time and select the preferred type of hostkey encryption. This change may affect your automated systems that previously had connected using DSA and already “trusted” the DSA hostkey. (If your system prefers RSA it can connect to the RSA and trust the new key).

Notes

RSA hostkey:
bc9d86202d681a35bb9d5c41f4eb694c
DSA hostkey:
ce2f1c9f870af0b33183995780aee9b6