langgraph 0.4.0

Summary of Changes

Added improved support for interrupt handling in streaming modes, with interrupts now properly propagated in "values" stream mode #4374
Enhanced interrupt resumption with namespace-specific resume values, allowing targeted resumption of specific interrupts #4406
Fixed branch handling to properly process END nodes in graph visualization and execution #4409
Fixed issue where empty Commands with resume maps would raise an error #4444
Updated Python compatibility to allow future Python versions while maintaining 3.9+ support #4416

Added interrupt_id property that generates a unique ID for the interrupt based on its namespace #4406
Updated ID generation to use | as a separator between namespace elements for better uniqueness #4406

Updated docstring to clarify that "values" mode emits all values including interrupts after each step #4374

Added interrupts field to track interrupts that occurred in a step and are pending resolution #4406
Improved documentation for all fields in the class #4406

Enhanced resume parameter to support mapping interrupt IDs to resume values #4406
Improved documentation for the resume parameter #4406

Improved invoke and ainvoke methods to properly collect and handle interrupts in streamed output #4374
Enhanced interrupt emission to work in both "values" and "updates" stream modes #4374
Modified state snapshot preparation to collect interrupts from tasks #4406

Updated signature to accept a boolean parameter indicating whether the operation is for static writes #4409
Fixed branch handling to properly process END nodes #4409

Fixed Command handling to support empty Commands with resume maps #4444
Added support for namespace-based resumption through CONFIG_KEY_RESUME_MAP #4406

Improved graph visualization to correctly handle END nodes #4409
Added add_edge utility function to prevent duplicate edges in graph visualization #4409