# mime-db changelog > mime-db release notes. - Vendor: mime-db - Category: Developer Tools - Official site: https://github.com/jshttp/mime-db#readme - Tracked by: What's New (https://whatsnew.fyi/product/mime-db) - Harvested from: GitHub (jshttp/mime-db) - Entries below: 10 (newest first) What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. ## Releases ### v1.54.0 - Date: 2025-03-18 - Version: v1.54.0 - Original notes: https://github.com/jshttp/mime-db/releases/tag/v1.54.0 - Permalink: https://whatsnew.fyi/product/mime-db/releases/v1.54.0 - **added** — Add MS-related extensions and types - **added** — Add dotLottie mime type - **added** — Add m4b as a type of audio/mp4 - **added** — Add extensions list for model/step - **added** — Add support for Procreate Dreams - **added** — Add Procreate Brush and Brush Set file types - **added** — Add Adobe DNG file - **added** — Add support for the FBX file extension - **added** — Add .blend file type - **added** — Add Google Drive MIME types - **added** — Add mime-type for Jupyter notebooks - **changed** — Update custom-types.json - **changed** — Mark application/octet-stream as compressible - **changed** — Update mime type for DCM format - **changed** — Replace got with undici - **fixed** — Fix typo in application/x-zip-compressed mimetype - **fixed** — Fix compressible flag that was set in the wrong file ##### What's Changed * Add some MS-related extensions and types by @ipetrouchtchak-fi in https://github.com/jshttp/mime-db/pull/336 * Update custom-types.json by @robertsky in https://github.com/jshttp/mime-db/pull/343 * docs: notice about semver and data sources by @wesleytodd in https://github.com/jshttp/mime-db/pull/330 * add dotLottie mime type by @aminerol in https://github.com/jshttp/mime-db/pull/351 * Update custom-types.json by @pedro-php in https://github.com/jshttp/mime-db/pull/346 * Spelling by @jsoref in https://github.com/jshttp/mime-db/pull/297 * Add m4b as a type of audio/mp4 by @dhouck in https://github.com/jshttp/mime-db/pull/357 * ci: update ci by @bjohansebas in https://github.com/jshttp/mime-db/pull/356 * Added extensions list for model/step by @JohnSimumatik in https://github.com/jshttp/mime-db/pull/293 * replace got with undici by @bjohansebas in https://github.com/jshttp/mime-db/pull/352 * Add support for Procreate Dreams by @jeffreybaird in https://github.com/jshttp/mime-db/pull/341 * Add Procreate Brush and Brush Set file Types by @jeffreybaird in https://github.com/jshttp/mime-db/pull/339 * Add Adobe DNG file by @jeffreybaird in https://github.com/jshttp/mime-db/pull/340 * Add support for the FBX file extension by @jeffreybaird in https://github.com/jshttp/mime-db/pull/342 * Add .blend file type by @jeffreybaird in https://github.com/jshttp/mime-db/pull/338 * Add Google Drive MIME types by @risu729 in https://github.com/jshttp/mime-db/pull/311 * Add mime-type for Jupyter notebooks by @julien-c in https://github.com/jshttp/mime-db/pull/282 * Fix typo in application/x-zip-compressed mimetype by @jkbach in https://github.com/jshttp/mime-db/pull/359 * mark application/octet-stream as compressible by @greggman in https://github.com/jshttp/mime-db/pull/163 * Update mime type for DCM format by @DimitriPapadopoulos in https://github.com/jshttp/mime-db/pull/362 * fix: compressible was set in the wrong file in #163 by @wesleytodd in https://github.com/jshttp/mime-db/pull/365 * Release v1.54.0 by @wesleytodd in https://github.com/jshttp/mime-db/pull/363 ##### New Contributors * @ipetrouchtchak-fi made their first contribution in https://github.com/jshttp/mime-db/pull/336 * @robertsky made their first contribution in https://github.com/jshttp/mime-db/pull/343 * @aminerol made their first contribution in https://github.com/jshttp/mime-db/pull/351 * @pedro-php made their first contribution in https://github.com/jshttp/mime-db/pull/346 * @jsoref made their first contribution in https://github.com/jshttp/mime-db/pull/297 * @dhouck made their first contribution in https://github.com/jshttp/mime-db/pull/357 * @bjohansebas made their first contribution in https://github.com/jshttp/mime-db/pull/356 * @JohnSimumatik made their first contribution in https://github.com/jshttp/mime-db/pull/293 * @jeffreybaird made their first contribution in https://github.com/jshttp/mime-db/pull/341 * @risu729 made their first contribution in https://github.com/jshttp/mime-db/pull/311 * @julien-c made their first contribution in https://github.com/jshttp/mime-db/pull/282 * @jkbach made their first contribution in https://github.com/jshttp/mime-db/pull/359 * @greggman made their first contribution in https://github.com/jshttp/mime-db/pull/163 * @DimitriPapadopoulos made their first contribution in https://github.com/jshttp/mime-db/pull/362 **Full Changelog**: https://github.com/jshttp/mime-db/compare/v1.53.0...v1.54.0 ### v1.53.0 - Date: 2024-11-01 - Version: v1.53.0 - Original notes: https://github.com/jshttp/mime-db/releases/tag/v1.53.0 - Permalink: https://whatsnew.fyi/product/mime-db/releases/v1.53.0 - **changed** — Replace deprecated String.prototype.substr() - **fixed** — Fix typo - **changed** — Correct JavaScript MIME types and extensions per RFC 9239 - **added** — Add sql extension to application/sql - **fixed** — Fix pin versions nyc version for testing on old versions of node <= 9 ##### What's Changed * Replace deprecated String.prototype.substr() by @CommanderRoot in https://github.com/jshttp/mime-db/pull/258 * Fix typo by @mathiasbynens in https://github.com/jshttp/mime-db/pull/265 * Correct JavaScript MIME types + extensions per RFC 9239 by @mathiasbynens in https://github.com/jshttp/mime-db/pull/262 * update: Add sql extension to application/sql by @mulukenrock in https://github.com/jshttp/mime-db/pull/272 * Fix pin versions nyc version for testing on old versions of node <= 9 by @carpasse in https://github.com/jshttp/mime-db/pull/318 * chore: add scorecard pipeline by @carpasse in https://github.com/jshttp/mime-db/pull/316 * Update README.md by @tinhochu in https://github.com/jshttp/mime-db/pull/313 * create a GHA to run update and open a PR if diff by @jonchurch in https://github.com/jshttp/mime-db/pull/327 * Update action fix by @wesleytodd in https://github.com/jshttp/mime-db/pull/329 * 🤖Automated update by @github-actions in https://github.com/jshttp/mime-db/pull/328 ##### New Contributors * @CommanderRoot made their first contribution in https://github.com/jshttp/mime-db/pull/258 * @mathiasbynens made their first contribution in https://github.com/jshttp/mime-db/pull/265 * @mulukenrock made their first contribution in https://github.com/jshttp/mime-db/pull/272 * @carpasse made their first contribution in https://github.com/jshttp/mime-db/pull/318 * @tinhochu made their first contribution in https://github.com/jshttp/mime-db/pull/313 * @jonchurch made their first contribution in https://github.com/jshttp/mime-db/pull/327 * @wesleytodd made their first contribution in https://github.com/jshttp/mime-db/pull/329 * @github-actions made their first contribution in https://github.com/jshttp/mime-db/pull/328 **Full Changelog**: https://github.com/jshttp/mime-db/compare/v1.52.0...v1.53.0 ### v1.52.0 — 1.52.0 - Date: 2022-02-21 - Version: v1.52.0 - Original notes: https://github.com/jshttp/mime-db/releases/tag/v1.52.0 - Permalink: https://whatsnew.fyi/product/mime-db/releases/v1.52.0 - **added** — Add extensions from IANA for more image/* types - **added** — Add extension .asc to application/pgp-keys - **added** — Add extensions to various XML types - **added** — Add new upstream MIME types * Add extensions from IANA for more `image/*` types * Add extension `.asc` to `application/pgp-keys` * Add extensions to various XML types * Add new upstream MIME types ### v1.51.0 — 1.51.0 - Date: 2021-11-09 - Version: v1.51.0 - Original notes: https://github.com/jshttp/mime-db/releases/tag/v1.51.0 - Permalink: https://whatsnew.fyi/product/mime-db/releases/v1.51.0 - **added** — Add new upstream MIME types - **changed** — Mark image/vnd.microsoft.icon as compressible - **changed** — Mark image/vnd.ms-dds as compressible * Add new upstream MIME types * Mark `image/vnd.microsoft.icon` as compressible * Mark `image/vnd.ms-dds` as compressible ### v1.50.0 — 1.50.0 - Date: 2021-09-16 - Version: v1.50.0 - Original notes: https://github.com/jshttp/mime-db/releases/tag/v1.50.0 - Permalink: https://whatsnew.fyi/product/mime-db/releases/v1.50.0 - **added** — Add deprecated iWorks MIME types and extensions - **added** — Add new upstream MIME types * Add deprecated iWorks mime types and extensions * Add new upstream MIME types ### v1.49.0 — 1.49.0 - Date: 2021-07-26 - Version: v1.49.0 - Original notes: https://github.com/jshttp/mime-db/releases/tag/v1.49.0 - Permalink: https://whatsnew.fyi/product/mime-db/releases/v1.49.0 * Add extension `.trig` to `application/trig` * Add new upstream MIME types ### v1.48.0 — 1.48.0 - Date: 2021-05-31 - Version: v1.48.0 - Original notes: https://github.com/jshttp/mime-db/releases/tag/v1.48.0 - Permalink: https://whatsnew.fyi/product/mime-db/releases/v1.48.0 - **added** — Add extension .mvt to application/vnd.mapbox-vector-tile - **added** — Add new upstream MIME types - **changed** — Mark text/yaml as compressible * Add extension `.mvt` to `application/vnd.mapbox-vector-tile` * Add new upstream MIME types * Mark `text/yaml` as compressible ### v1.47.0 — 1.47.0 - Date: 2021-04-01 - Version: v1.47.0 - Original notes: https://github.com/jshttp/mime-db/releases/tag/v1.47.0 - Permalink: https://whatsnew.fyi/product/mime-db/releases/v1.47.0 - **added** — Add new upstream MIME types - **removed** — Remove ambiguous extensions from IANA for application/*+xml types - **changed** — Update primary extension to .es for application/ecmascript * Add new upstream MIME types * Remove ambigious extensions from IANA for `application/*+xml` types * Update primary extension to `.es` for `application/ecmascript` ### v1.46.0 — 1.46.0 - Date: 2021-02-18 - Version: v1.46.0 - Original notes: https://github.com/jshttp/mime-db/releases/tag/v1.46.0 - Permalink: https://whatsnew.fyi/product/mime-db/releases/v1.46.0 - **added** — Add extension .amr to audio/amr - **added** — Add extension .m4s to video/iso.segment - **added** — Add extension .opus to audio/ogg - **added** — Add new upstream MIME types * Add extension `.amr` to `audio/amr` * Add extension `.m4s` to `video/iso.segment` * Add extension `.opus` to `audio/ogg` * Add new upstream MIME types ### v1.45.0 — 1.45.0 - Date: 2020-09-23 - Version: v1.45.0 - Original notes: https://github.com/jshttp/mime-db/releases/tag/v1.45.0 - Permalink: https://whatsnew.fyi/product/mime-db/releases/v1.45.0 - **added** — Add `application/ubjson` with extension `.ubj` - **added** — Add `image/avif` with extension `.avif` - **added** — Add `image/ktx2` with extension `.ktx2` - **added** — Add extension `.dbf` to `application/vnd.dbf` - **added** — Add extension `.rar` to `application/vnd.rar` - **added** — Add extension `.td` to `application/urc-targetdesc+xml` - **added** — Add new upstream MIME types - **fixed** — Fix extension of `application/vnd.apple.keynote` to be `.key` * Add `application/ubjson` with extension `.ubj` * Add `image/avif` with extension `.avif` * Add `image/ktx2` with extension `.ktx2` * Add extension `.dbf` to `application/vnd.dbf` * Add extension `.rar` to `application/vnd.rar` * Add extension `.td` to `application/urc-targetdesc+xml` * Add new upstream MIME types * Fix extension of `application/vnd.apple.keynote` to be `.key`