Salesforce Spring ’26: How to Use GraphQL Mutations in Lightning Web Components (LWC)
Summary
Salesforce Spring ’26 enables developers to perform create, update, and delete operations inside Lightning Web Components using GraphQL mutations without relying on Apex or REST calls. The new executeMutation function allows JavaScript within LWC to handle data changes more efficiently and reactively. This simplifies client-side data management by letting developers define mutations with gql templates and execute them directly. Teams can build faster, cleaner Salesforce apps with fine-tuned data control and improved performance using this modern approach.
Takeaways
- Use executeMutation to perform GraphQL create, update, and delete operations in LWC.
- Define GraphQL mutations with gql templates to specify input and requested response fields.
- Handle record creation and updates without Apex or REST API calls for streamlined data management.
- Retrieve only necessary fields in mutation responses to optimize performance.
- Integrate GraphQL mutations into LWC forms for reactive and efficient user-driven data operations.
Salesforce Spring ’26 introduces an exciting new capability for Lightning Web Components (LWC): GraphQL Mutations. If you’ve been using LWC to display data, you’re likely familiar with @wire(graphql) , which allows you to read data reactively. However, until now, creating, updating, or deleting records required Apex methods or REST API calls. With GraphQL mutations , developers can now perform create, update, and delete operations directly from JavaScript in LWC, making data operations simpler and more efficient. What Is a GraphQL Mutation? In simple terms: Query → Reads data Mutation → Creates, updates, or deletes data Think of it like this: Queries = “Give me this data” Mutations = “Change this data” Salesforce Spring ’26 introduces a new function called executeMutation, which allows developers to perform these operations directly within Lightning Web Components. How GraphQL Mutations Work in LWC To use GraphQL mutations in LWC: Define your mutation using the gql template .