Not really. The first episode was released a month in advance of the full season. Exactly as stated in this press release from 01/14/15.

Amazon Prime members can watch the first episode of Bosch now on their TVs using the Amazon Instant Video app on Fire TV, Roku, Xbox, PlayStation, Wii, and smart TVs. They can also use the Amazon Instant Video app to watch on mobile devices, including Fire tablets, Fire phone, iPad, iPhone, iPod Touch, Android phones, as well as hundreds of other connected devices--or customers can visit Amazon.com/PIV to watch online.