10.11.1. Jun 2026

In indoor environments, radio signals bounce off walls and furniture, arriving at the receiver at different times. This "multipath propagation" causes Inter-Symbol Interference (ISI), corrupting the data. OFDM mitigates this through:

Reports of music libraries resetting "Recent Added" orders to alphabetical order. 10.11.1.

Released on October 21, 2015, this was the first major point update for OS X El Capitan (10.11) . It focused on stability and bug fixes rather than new flagship features. In indoor environments, radio signals bounce off walls