We add support for new banks based on the number of customer requests, and also on approvals from the banks themselves. Currently, we don't have a specific timeline as to when it will be added in QuickBooks Online (QBO) but rest assured that it is now being reviewed by our Product Engineers.
In the meantime, I recommend visiting our Blog site. This is where we share recent happenings and future developments, such as updates to newly added features.
Just in case, I'll add these articles for future reference: