typescript: runTsc cannot display source code for errors vuejs/language-tools#4099
typescript: runTsc cannot display source code for errors with --incremental #158 #162 - Thanks @wangshunnn
typescript: handle invalid references result
typescript: parameter hints not working in TS plugin vuejs/language-tools#3948
typescript: fault tolerance with TS file size assertion vuejs/language-tools#4278
typescript: TS plugin find reference result's definition span should be able to fall back to file root
typescript: prioritize resolving JS virtual script to matched .d.ts file
typescript: more inclusive performance rename operation vuejs/language-tools#4297
typescript: normalize filePath for language service APIs vuejs/language-tools#4297
typescript: avoid eagerly updating source scripts #166
vscode: newly created file failed to match tsconfig immediately vuejs/language-tools#4297
vscode: avoid crash when workspace tsdk does not exist
language-server: fault-tolerant URI translation #159
language-core: handle empty mappings in updateVirtualCodeMapOfMap #161 - Thanks @remcohaszing

typescript: fix runTsc performance regression since 2.0 vuejs/language-tools#4238
typescript: runTsc cache module resolution result vuejs/language-tools#4177

More accurate interface design and terminology #154
language-server: architecture improvements #167
language-server: remove ConfigurationHost abstract
language-service: expose changed setting sections on onDidChangeConfiguration
language-service: ServiceContext.inject method return nullable
typescript: decorateLanguageServiceHost less side effects #160
language-core: make CodeInformation properties optional
language-core: resolved language ID by LangaugePlugin #168