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Release notes

Fixed

• Introduced zero-valued EventType variant to enable zero-initialization of Event, fixing a panic on Rust 1.48 and newer (#138)
• EditorGetRect opcode returns 1 on success, ensuring that the provided dimensions are applied by the host (#115)

Added

• Added update_display() method to Host, telling the host to update its display (after a parameter change) via the UpdateDisplay opcode (#126)
• Allow plug-in to return a custom value in can_do() via the Supported::Custom enum variant (#130)
• Added PartialEq and Eq for Supported (#135)
• Implemented get_editor() and Editor interface for PluginInstance to enable editor support on the host side (#136)
• Default value (0.0) for AtomicFloat (#139)

This release restructures the Plugin API to make it safe, even when the host calls plugin methods on multiple threads concurrently. See https://github.com/RustAudio/vst-rs/issues/49 and https://github.com/RustAudio/vst-rs/pull/65 for discussions of the motivation and design behind this change.

The API change will break most plugins. The transfer_and_smooth example contains a guide for porting a plugin to the new API.

Other changes include:

• Fixed a number of unsoundness issues in the Outputs API.
• Set parameters to be automatable by default.
• Fixed a use-after-move bug in the event iterator.
• Handle Opcode::GetEffectName to resolve name display issues on some hosts.

See the CHANGELOG for details.

Fix HostCallback::is_effect_valid() OpCode::EditorOpen: return 1 if editor opened successfully Change Editor API: open() now returns a bool signifying if it was successful (true) or not (false). Utility structs to make it easier to make plugins thread safe.