# What changed in tedious > 30 changes in tedious 19 to 20 from its official release notes, upgrade guides and advisories: 2 breaking, 1 deprecations, 2 security, 4 new APIs and options. Each one cited. Sources checked 2026-10-20. HTML: https://unstale.sh/npm/tedious/ To see which of these apply to a repository, run `npx @unstale/cli init` in it. ## tedious 20 ### Breaking changes - The sprintf-js dependency was removed. (20.3.6) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.3.6) - Node.js 22 is now the minimum supported version; Node.js 18, 20, and 21 are no longer supported. (20.0.0) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.0.0) ### Security - Passwords are redacted in Login7 payload debug output. (20.3.8) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.3.8) - Rejects TLS downgrades when encryption is required, preventing connections from silently using weaker encryption. (20.3.7) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.3.7) ### Deprecations - TDS 7.1 support is deprecated. (20.1.0) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.1.0) ### New APIs and options - Adds support for the COLINFO token. (20.2.0) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.2.0) - Adds support for the TABNAME token. (20.2.0) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.2.0) ### Performance - Bulk load rows are serialized with an async generator and coalesced into packet-sized chunks, improving performance. (20.2.3) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.2.3) - Parsing of date and time values is faster. (20.0.5) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.0.5) - Avoids capturing a stack trace in NotEnoughDataError. (20.0.5) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.0.5) ### Behavior and default changes - The max data type and table-valued parameters can now be streamed from async sources. (20.3.0) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.3.0) ### Fixes and other changes - Sends the PLP terminator when an NVarChar or VarBinary length is missing. (20.3.5) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.3.5) - Preserves Unicode across streamed text chunks. (20.3.4) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.3.4) - Nagle's algorithm is disabled on the connection socket. (20.3.3) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.3.3) - A request can be executed again after it was canceled. (20.3.2) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.3.2) - Output parameters are now allowed on prepared statements. (20.3.1) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.3.1) - Bulk load serialization errors are now wrapped in InputError. (20.3.0) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.3.0) - Token parse failures are surfaced as request errors. (20.2.2) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.2.2) - Caps the TLS max send fragment size for connections using encrypt: "strict". (20.0.7) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.0.7) - Large DECIMAL/NUMERIC values are serialized without overflow. (20.0.6) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.0.6) - SNI is omitted for IP-based hostnames. (20.0.5) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.0.5) - Canceled requests are completed when the server does not respond. (20.0.4) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.0.4) - Prevents stale errors. (20.0.3) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.0.3) - Connection establishment is aborted when the connection is closed. (20.0.2) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.0.2) - Prevents a connection from hanging when the Login7 response is interrupted. (20.0.1) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v20.0.1) ## tedious 19 ### New APIs and options - Adds the databaseMirroringPartner event handler. (19.2.0) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v19.2.0) - Tedious now supports Azure SQL Database in Microsoft Fabric. (19.1.0) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v19.1.0) ### Fixes and other changes - The cancel timer is cleared when a connection is cleaned up. (19.2.2) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v19.2.2) - The message stream remains aligned when canceling with a disabled cancel timeout. (19.2.2) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v19.2.2) - The schema is included in TVP type declarations. (19.2.2) — [release notes](https://github.com/tediousjs/tedious/releases/tag/v19.2.2)