TypeScript 4.1 RC released, string template type implementation

The RC version of TypeScript 4.1 has been released, which has many new features previously announced.

The main updates include:

• Introduce string template type
• Add key remapping to the mapping type
• Allow recursive condition types
• Added check index access functionnoUncheckedIndexedAccess
• It is not necessary to specify baseUrl when using path to enable path mapping
• checkJs now means allowJs by default, no longer need to set checkJs and allowJs at the same time
• Support React 17's jsx and jsxdev functions
• ……

For more information, please see: official update announcement