On 12.02.2015 the mainstream support for Exchange 2010 SP3 ends.
As the mainstream support expires next month, it is clear that no further service pack for Exchange 2010 will be released. There will also be no more new functions. However, there is no need to worry, as Extended Support will continue until January 14, 2020, so Microsoft will continue to deliver security updates and hotfixes until 2020: