If you use a third-party library manager (like Sononym or ADSR), rescan after installation. The 2.87c update changes the internal database structure slightly.
If you are already running Omnisphere 2.8, updating to 2.8.7c is a no-brainer. It doesn’t add flashy new synths or a brand new GUI, but it provides critical "under the hood" improvements that make the plugin significantly more reliable in heavy sessions. spectrasonics omnisphere 287c new
: Significant improvements have been made to Performance Mode, offering more flexible and dynamic control over sounds. This includes the ability to assign more complex behaviors to the controllers, further blurring the lines between synthesizer and performance instrument. If you use a third-party library manager (like