**8 of 15 projects failed to build with the old tsc and were ignored**
### [code\/compiler\/tsconfig.json](https://github.com/basarat/typescript-book/blob/b623972af7e190b821ebf5789ef510c9a1a2c6db/code/compiler/tsconfig.json)
- `error TS5101: Flag 'suppressImplicitAnyIndexErrors' is deprecated and will stop functioning in TypeScript 5.5. Specify 'ignoreDeprecations: "5.0"' to silence this error.`
- [code\/compiler\/tsconfig.json\#L15](https://github.com/basarat/typescript-book/blob/b623972af7e190b821ebf5789ef510c9a1a2c6db/code/compiler/tsconfig.json#L15)
**1 of 3 projects failed to build with the old tsc and were ignored**
### [static\/tsconfig.json](https://github.com/compiler-explorer/compiler-explorer/blob/acc19d1d1cd482dd29a5bfabe1e4aaef9ecf5a82/static/tsconfig.json)
- `error TS2345: Argument of type '(weight: number, field: string) => void' is not assignable to parameter of type '(value: any, key: string | number) => any'.`
- file:///mnt/ts_downloads/compiler-explorer/node_modules/@orchidjs/sifter/lib/sifter.ts#L150
- `error TS2769: No overload matches this call.`
- file:///mnt/ts_downloads/compiler-explorer/node_modules/@orchidjs/sifter/lib/utils.ts#L44
### [tsconfig.json](https://github.com/conventional-changelog/commitlint/blob/8b8a6e62f57511c0be05346d14959247851cdfeb/tsconfig.json)
- `error TS5101: Flag 'keyofStringsOnly' is deprecated and will stop functioning in TypeScript 5.5. Specify 'ignoreDeprecations: "5.0"' to silence this error.`
- Project Scope
### [tsconfig.json](https://github.com/felixrieseberg/windows95/blob/17a81393467e2668eb2eea291ab4b6a749756dad/tsconfig.json)
- `error TS5101: Flag 'suppressImplicitAnyIndexErrors' is deprecated and will stop functioning in TypeScript 5.5. Specify 'ignoreDeprecations: "5.0"' to silence this error.`
- [tsconfig.json\#L16](https://github.com/felixrieseberg/windows95/blob/17a81393467e2668eb2eea291ab4b6a749756dad/tsconfig.json#L16)
**3 of 4 projects failed to build with the old tsc and were ignored**
### [packages\/framer-motion\/tsconfig.json](https://github.com/framer/motion/blob/6658bfeb64ca440865ba662c8410b5fe2a954a02/packages/framer-motion/tsconfig.json)
- `error TS5101: Flag 'suppressImplicitAnyIndexErrors' is deprecated and will stop functioning in TypeScript 5.5. Specify 'ignoreDeprecations: "5.0"' to silence this error.`
- [packages\/framer-motion\/tsconfig.json\#L17](https://github.com/framer/motion/blob/6658bfeb64ca440865ba662c8410b5fe2a954a02/packages/framer-motion/tsconfig.json#L17)
**6 of 13 projects failed to build with the old tsc and were ignored**
### [examples\/monaco-graphql-webpack\/tsconfig.json](https://github.com/graphql/graphiql/blob/f263f778cb95b9f413bd09ca56a43f5b9c2f6215/examples/monaco-graphql-webpack/tsconfig.json)
- `error TS2322: Type '5' is not assignable to type 'MarkerSeverity'.`
- [packages\/monaco-graphql\/src\/utils.ts\#L115](https://github.com/graphql/graphiql/blob/f263f778cb95b9f413bd09ca56a43f5b9c2f6215/packages/monaco-graphql/src/utils.ts#L115) in [packages\/monaco-graphql\/tsconfig.json](https://github.com/graphql/graphiql/blob/f263f778cb95b9f413bd09ca56a43f5b9c2f6215/packages/monaco-graphql/tsconfig.json)
### [tsconfig.native.json](https://github.com/jitsi/jitsi-meet/blob/43b3db11e001ddc92b9636858e4bcbd35eef6852/tsconfig.native.json)
- `error TS2345: Argument of type 'undefined' is not assignable to parameter of type 'string | number | boolean'.`
- [react\/features\/base\/util\/uri.ts\#L200](https://github.com/jitsi/jitsi-meet/blob/43b3db11e001ddc92b9636858e4bcbd35eef6852/react/features/base/util/uri.ts#L200)
### [tsconfig.web.json](https://github.com/jitsi/jitsi-meet/blob/43b3db11e001ddc92b9636858e4bcbd35eef6852/tsconfig.web.json)
- `error TS2345: Argument of type 'undefined' is not assignable to parameter of type 'string | number | boolean'.`
- [react\/features\/base\/util\/uri.ts\#L200](https://github.com/jitsi/jitsi-meet/blob/43b3db11e001ddc92b9636858e4bcbd35eef6852/react/features/base/util/uri.ts#L200)
### [tsconfig.json](https://github.com/lensapp/lens/blob/c361852dd2ebe1cf6ab8bb7fcf8f19aba727e1a5/tsconfig.json)
- `error TS2345: Argument of type 'undefined' is not assignable to parameter of type 'TData'.`
- [src\/test-utils\/override-fs-with-fakes.ts\#L34](https://github.com/lensapp/lens/blob/c361852dd2ebe1cf6ab8bb7fcf8f19aba727e1a5/src/test-utils/override-fs-with-fakes.ts#L34)
### [webpack\/tsconfig.json](https://github.com/lensapp/lens/blob/c361852dd2ebe1cf6ab8bb7fcf8f19aba727e1a5/webpack/tsconfig.json)
- `error TS2345: Argument of type 'undefined' is not assignable to parameter of type 'TData'.`
- [src\/test-utils\/override-fs-with-fakes.ts\#L34](https://github.com/lensapp/lens/blob/c361852dd2ebe1cf6ab8bb7fcf8f19aba727e1a5/src/test-utils/override-fs-with-fakes.ts#L34)
### [tsconfig.app.json](https://github.com/linnovate/mean/blob/cf0c8370b3d34a42a29d8a174426840a1e014433/tsconfig.app.json)
- `error TS5101: Flag 'suppressImplicitAnyIndexErrors' is deprecated and will stop functioning in TypeScript 5.5. Specify 'ignoreDeprecations: "5.0"' to silence this error.`
- Project Scope
### [tsconfig.json](https://github.com/linnovate/mean/blob/cf0c8370b3d34a42a29d8a174426840a1e014433/tsconfig.json)
- `error TS5101: Flag 'suppressImplicitAnyIndexErrors' is deprecated and will stop functioning in TypeScript 5.5. Specify 'ignoreDeprecations: "5.0"' to silence this error.`
- [tsconfig.json\#L17](https://github.com/linnovate/mean/blob/cf0c8370b3d34a42a29d8a174426840a1e014433/tsconfig.json#L17)
### [tsconfig.spec.json](https://github.com/linnovate/mean/blob/cf0c8370b3d34a42a29d8a174426840a1e014433/tsconfig.spec.json)
- `error TS5101: Flag 'suppressImplicitAnyIndexErrors' is deprecated and will stop functioning in TypeScript 5.5. Specify 'ignoreDeprecations: "5.0"' to silence this error.`
- Project Scope
**8 of 9 projects failed to build with the old tsc and were ignored**
### [packages\/core\/tsconfig.json](https://github.com/n8n-io/n8n/blob/38aa99b1820285dc98dc9234821f85c86acaa7a3/packages/core/tsconfig.json)
- `error TS2345: Argument of type 'WeekdayNumbers' is not assignable to parameter of type 'DAYS'.`
- [packages\/workflow\/src\/Extensions\/DateExtensions.ts\#L161](https://github.com/n8n-io/n8n/blob/38aa99b1820285dc98dc9234821f85c86acaa7a3/packages/workflow/src/Extensions/DateExtensions.ts#L161) in [packages\/workflow\/tsconfig.build.json](https://github.com/n8n-io/n8n/blob/38aa99b1820285dc98dc9234821f85c86acaa7a3/packages/workflow/tsconfig.build.json)
**7 of 10 projects failed to build with the old tsc and were ignored**
### [config\/tsconfig.types.json](https://github.com/pubkey/rxdb/blob/107d69671807d5d0999afda71475a74be535f1cd/config/tsconfig.types.json)
- `error TS2345: Argument of type 'string' is not assignable to parameter of type 'StringKeys<{ _deleted: boolean; _attachments: { [attachmentId: string]: RxAttachmentData; }; _rev: string; _meta: RxDocumentMeta; }>'.`
- [src\/plugins\/replication-couchdb\/couchdb-helper.ts\#L22](https://github.com/pubkey/rxdb/blob/107d69671807d5d0999afda71475a74be535f1cd/src/plugins/replication-couchdb/couchdb-helper.ts#L22)
### [test\/tutorials\/tsconfig.json](https://github.com/pubkey/rxdb/blob/107d69671807d5d0999afda71475a74be535f1cd/test/tutorials/tsconfig.json)
- `error TS5101: Flag 'suppressImplicitAnyIndexErrors' is deprecated and will stop functioning in TypeScript 5.5. Specify 'ignoreDeprecations: "5.0"' to silence this error.`
- [test\/tutorials\/tsconfig.json\#L11](https://github.com/pubkey/rxdb/blob/107d69671807d5d0999afda71475a74be535f1cd/test/tutorials/tsconfig.json#L11)
### [tsconfig.json](https://github.com/pubkey/rxdb/blob/107d69671807d5d0999afda71475a74be535f1cd/tsconfig.json)
- `error TS2345: Argument of type 'string' is not assignable to parameter of type 'StringKeys<{ _deleted: boolean; _attachments: { [attachmentId: string]: RxAttachmentData; }; _rev: string; _meta: RxDocumentMeta; }>'.`
- [src\/plugins\/replication-couchdb\/couchdb-helper.ts\#L22](https://github.com/pubkey/rxdb/blob/107d69671807d5d0999afda71475a74be535f1cd/src/plugins/replication-couchdb/couchdb-helper.ts#L22)
**23 of 52 projects failed to build with the old tsc and were ignored**
### [packages\/ast\/tsconfig.json](https://github.com/umijs/umi/blob/e9cf757e879c414e4b17f53e42a0bb7759fb2292/packages/ast/tsconfig.json)
- `error TS2322: Type 'undefined' is not assignable to type 'string'.`
- [packages\/ast\/src\/setConfigByName\/setConfigByName.ts\#L8](https://github.com/umijs/umi/blob/e9cf757e879c414e4b17f53e42a0bb7759fb2292/packages/ast/src/setConfigByName/setConfigByName.ts#L8)
### [tsconfig.json](https://github.com/umijs/umi/blob/e9cf757e879c414e4b17f53e42a0bb7759fb2292/tsconfig.json)
- `error TS2322: Type 'undefined' is not assignable to type 'string'.`
- [packages\/ast\/src\/setConfigByName\/setConfigByName.ts\#L8](https://github.com/umijs/umi/blob/e9cf757e879c414e4b17f53e42a0bb7759fb2292/packages/ast/src/setConfigByName/setConfigByName.ts#L8)
### [tsconfig.json](https://github.com/wenyan-lang/wenyan/blob/8283bea2963b124803610a7f0d78da263e098e04/tsconfig.json)
- `error TS5101: Flag 'noImplicitUseStrict' is deprecated and will stop functioning in TypeScript 5.5. Specify 'ignoreDeprecations: "5.0"' to silence this error.`
- [tsconfig.json\#L12](https://github.com/wenyan-lang/wenyan/blob/8283bea2963b124803610a7f0d78da263e098e04/tsconfig.json#L12)
The following errors were reported by 5.0.0-dev.20230115, but not by 4.9.4 Pipeline that generated this bug Logs for the pipeline run File that generated the pipeline
This run considered 200 popular TS repos from GH (after skipping the top 0).
Successfully analyzed 125 of 200 visited repos
| Outcome | Count | |---------|-------| | Detected interesting changes | 13 | | Detected no interesting changes | 112 | | Git clone failed | 2 | | Package install failed | 19 | | Project-graph error in old TS | 4 | | Too many errors in old TS | 46 | | Unknown failure | 4 |Investigation Status