11.0.0-rc.4

🚀 New Feature

• Support renaming fields in inline records with @as attribute. #6391
• Support renaming object fields of @obj external ppx with @as attribute. #6391
• Add builtin abstract types for File and Blob APIs. #6383
• Untagged variants: Support promise, RegExes, Dates, File and Blob. #6383
• Untagged variants: Support bool. #6368
• Support aliased types as payloads to untagged variants. #6394
• Support the async component for React Server Component in JSX V4. #6399
• Support rescript.json configuration file and deprecate bsconfig.json. #6382

💥 Breaking Change

• Update watcher rules to recompile only on config and *.res/*.resi/*.ml/.mli file changes. Solves the issue of unnecessary recompiles on .css, .ts, and other unrelated file changes. #6420
• Add smart printer for pipe chains. #6411 (the formatter will reformat existing code in certain cases)
• Js.Json.t now uses Boolean(bool) instead of explicit @as(true) True | @as(false) False. #6421

🐛 Bug Fix

• Fix issue with GenType and labelled arguments. #6406
• Fix dependencies reinitialization on every change in watch mode. Leads to faster rebuilds and cleaner terminal. #6404

💅 Polish

• A little performance improvement for JSX V4 runtime helper by removing one object allocation for components with key prop. #6376
• The error message for "toplevel expressions should evaluate to unit" has been revamped and improved. #6407
• Improve "Somewhere wanted" error messages by changing wording and adding more context + suggested solutions to the error messages where appropriate. #6410
• Display the compile time for rescript build command. #6404
• Improve help message for build and clean commands. #6404
• Pass through the -verbose flag to builds in watch mode. #6404
• Improve error message when defining duplicate labels in a record. #6415
• Improve error message when trying to concatenate strings using the wrong operator. #6416