# Beacon > Reactive dependency graph runtime for Node.js. Dependencies are tracked at the signal level. When state changes, derived values and effects update automatically. ## Versions - [latest](/beacon/latest/llms.txt) - [v2000.0.0](/beacon/v2000.0.0/llms.txt) - [v1000.3.3](/beacon/v1000.3.3/llms.txt) - [v1000.3.2](/beacon/v1000.3.2/llms.txt) - [v1000.3.1](/beacon/v1000.3.1/llms.txt) - [v1000.3.0](/beacon/v1000.3.0/llms.txt) - [v1000.2.5](/beacon/v1000.2.5/llms.txt) - [v1000.2.4](/beacon/v1000.2.4/llms.txt) - [v1000.2.3](/beacon/v1000.2.3/llms.txt) - [v1000.2.2](/beacon/v1000.2.2/llms.txt) - [v1000.2.1](/beacon/v1000.2.1/llms.txt) - [v1000.2.0](/beacon/v1000.2.0/llms.txt) - [v1000.1.1](/beacon/v1000.1.1/llms.txt) - [v1000.1.0](/beacon/v1000.1.0/llms.txt) - [v1000.0.0](/beacon/v1000.0.0/llms.txt) - [v1.0.0](/beacon/v1.0.0/llms.txt)