First happened between versions 7.0.0-dev.20250723.1 and 7.0.0-dev.20250724.1 of @typescript/native-preview
index.ts
[]$ npm install @typescript/[email protected]
INSTALL INFO
[]$ npx tsgo --noEmit index.ts
TYPE ERROR
[]$ echo $?
2
[]$ npm install typescript
INSTALL INFO
[]$ npx tsc --noEmit index.ts
TYPE ERROR
[]$ echo $?
2
[]$ npm install @typescript/[email protected]
INSTALL INFO
[]$ npx tsgo --noEmit index.ts
TYPE ERROR
[]$ echo $?
1