| Name |
Description |
Version |
Status |
| atom | A generic value container and several data types. | 1.8 | Stable |
| buf-size | Access to, and restrictions on, buffer sizes. | 1.2 | Stable |
| data-access | Provides access to LV2_Descriptor::extension_data(). | 1.6 | Stable |
| dynmanifest | Support for dynamic data generation. | 1.6 | Stable |
| event | A port-based real-time generic event interface. | 1.10 | Deprecated |
| instance-access | Provides access to the LV2_Handle of a plugin. | 1.6 | Stable |
| log | A feature for writing log messages. | 2.2 | Stable |
| lv2core | An audio plugin interface specification. | 12.0 | Stable |
| midi | A normalised definition of raw MIDI. | 1.8 | Stable |
| morph | Ports that can dynamically change type. | 1.0 | Stable |
| options | Instantiation time options. | 1.2 | Stable |
| parameters | Common parameters for audio processing. | 1.2 | Stable |
| patch | Messages for accessing and manipulating properties. | 2.0 | Stable |
| port-groups | Multi-channel groups of LV2 ports. | 1.2 | Stable |
| port-props | Various port properties. | 1.2 | Stable |
| presets | Presets for LV2 plugins. | 2.8 | Stable |
| resize-port | Dynamically sized LV2 port buffers. | 1.0 | Stable |
| state | An interface for LV2 plugins to save and restore state. | 2.0 | Stable |
| time | Properties for describing time. | 1.2 | Stable |
| ui | Generic UI interface for LV2 plugins. | 2.16 | Stable |
| units | Units for LV2 values. | 5.8 | Stable |
| uri-map | A feature for mapping URIs to integers. | 1.6 | Deprecated |
| urid | Features for mapping URIs to and from integers. | 1.4 | Stable |
| worker | Support for a non-realtime plugin worker method. | 1.0 | Stable |