Apple announce the release of Logic Pro update 10.0.3 which includes more bug fixes including Mutliple Output issues with software instruments.
Here are the the Release notes as presented by Apple:This update improves overall stability and performance issues including:
- Addresses an issue introduced in Logic Pro 10.0.2 in which Logic Pro would quit unexpectedly when a multi-output instance of a Software Instrument plug-in was bypassed.
- Fixes an issue in which default MIDI region parameters in songs created in earlier versions of Logic might be set to incorrect values when opened in Logic Pro X.
This release is recommended for all Logic Pro X customers..
Source: App store updater