Release v66.4.4

66.4.4 - April 2, 2026

Added

salesforcedx-aura-language-server

salesforcedx-lightning-lsp-common

salesforcedx-lwc-language-server

salesforcedx-vscode-lightning

salesforcedx-vscode-lwc

• We replaced LWC and Aura server-ready popup notifications with a shared custom ready notification and in-editor language status items. (PR #7054)

salesforcedx-vscode-core

• We added defaultLwcLanguage as a valid key to the sfdx-project.json schema. (PR #7109)

• We renamed WebApplication to UiBundle for the React External App and React Internal App templates in SFDX: Create Project. (PR #7100)

• We moved the following commands to the Apex Log extension:

  1. SFDX: Create Apex Class
  2. SFDX: Create Apex Unit Test Class
  3. SFDX: Create Apex Trigger
     (PR #7028)

salesforcedx-vscode-expanded

• We added the Salesforce Live Preview (salesforce.salesforcedx-vscode-ui-preview) extension to the Salesforce Extension Pack (Expanded), enabling developers to preview Lightning Web Components directly in VS Code with live updates on save. (PR #7058)

• We added the GraphQL Syntax Highlighting (GraphQL.vscode-graphql-syntax) extension to the Salesforce Extension Pack (Expanded) to provide syntax highlighting for GraphQL files. (PR #7114)

salesforcedx-vscode-soql

• We added a "Run Query" code lens in .soql files and a new command SFDX: Execute SOQL Query with Current File in the command palette; the previous SFDX: Execute SOQL Query... command has been removed. (PR #7089)

• We added a "Get Query Plan" button to the SOQL Builder UI. (PR #7094)

Fixed

salesforcedx-lightning-lsp-common

• We fixed a bug where jsconfig.json files were repeatedly modified with duplicate lines on VS Code startup. (PR #7087, ISSUE #7084)

salesforcedx-aura-language-server

salesforcedx-lwc-language-server

salesforcedx-vscode-lwc

• We fixed a bug where changes to CustomLabels.labels-meta.xml were not reflected in .sfdx/typings/lwc/customlabels.d.ts. (PR #7065)

salesforcedx-vscode-core

• We made some changes under the hood. (PR #7107, PR #7116)

• We fixed a bug where source path-based deploy/retrieve ignored the sourceApiVersion set in sfdx-project.json. (PR #7106)

• We fixed a bug where _ in Apex test method names were incorrectly rendered as \_. (PR #7091, ISSUE #7075)

• We fixed a bug where the .sfdx folder could be created outside a Salesforce project during extension startup. (PR #7095)

• The CLI Integration extension now sets "xml.server.vmargs": "-Xmx1024M" in the User settings.json if the value is absent or smaller, preventing Out of Memory errors when loading metadata XML hover documentation. (PR #7115)

salesforcedx-vscode-apex

• We fixed a bug where .soql files were detected as language Apex instead of SOQL on Windows. (PR #7117)

• We reverted the defensive Apex Language Server shutdown handling that was causing slowdowns when reloading, closing, or switching VS Code workspaces. (PR #7119)

salesforcedx-vscode-org

• The soon-to-expire scratch orgs list in the Output tab now shows each org's alias and username. (PR #7118, ISSUE #7099)