# MagicMirror v2.37.0

- Product: MagicMirror (https://whatsnew.fyi/product/magicmirror)
- Vendor: MagicMirrorOrg
- Date: 2026-07-01
- Version: v2.37.0
- Original notes: https://github.com/MagicMirrorOrg/MagicMirror/releases/tag/v2.37.0
- Permalink: https://whatsnew.fyi/product/magicmirror/releases/v2.37.0

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.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — map IPv6 :: wildcard to localhost in electron
- **fixed** — prevent unauthorized secret expansion in socket payloads
- **fixed** — modules losing data after HTTP 304 responses
- **fixed** — enforce ipWhitelist for Socket.IO
- **added** — include Git hash and branch in system information log
- **added** — support object-based electronSwitches
- **fixed** — systeminformation thread not ending
- **changed** — use ES module imports in browser core
- **removed** — old Object.assign polyfill
- **changed** — rewrite Module as an ES6 class
- **changed** — rewrite NodeHelper as an ES6 class
- **changed** — update electron to v42
- **removed** — ajv dependency
- **fixed** — output right used node version from parent process in systeminformation
- **fixed** — skip postinstall git clean when not in a git repository
- **changed** — update dependencies to node v26
- **fixed** — resolve CodeQL alerts in alert module
- **changed** — pre-filter ICS data before parsing in calendar
- **changed** — use async ICS parsing to avoid blocking event loop in calendar
- **added** — add allowBasicHtmlTags option for basic emphasis in newsfeed

##### Release Notes
Thanks to: @angeldeejay, @egeekial, @khassel, @KristjanESPERANTO, @MikeBishop, @rejas
> ⚠️ This release needs nodejs version >=22.22.2 <23 || >=24 (no change to previous release)

[Compare to previous Release v2.36.0](https://github.com/MagicMirrorOrg/MagicMirror/compare/v2.36.0...v2.37.0)


###### [core]
- Prepare Release 2.37.0 (#4193)
- fix(electron): map IPv6 :: wildcard to localhost (#4188)
- refactor(main): modernize DOM update flow with async/await (#4186)
- refactor(main): simplify _updateDom with async/await (#4185)
- fix(security): prevent unauthorized secret expansion in socket payloads (#4184)
- refactor(main): simplify updateDomWithContent async flow (#4182)
- fix: modules losing data after HTTP 304 responses (#4180)
- chore: add missing core defaults (#4181)
- fix(server): enforce ipWhitelist for Socket.IO too (#4169)
- feat(systeminfo): include Git hash and branch in system information log (#4167)
- feat(electron): support object-based electronSwitches (#4161)
- systeminformation thread not ending: move error handling from utils to app (#4160)
- fix systeminformation thread not ending (#4155)
- refactor: use ES module imports in browser core (#4158)
- refactor(core): remove old Object.assign polyfill (#4157)
- refactor: rewrite Module as an ES6 class (#4151)
- refactor: rewrite NodeHelper as an ES6 class (#4147)
- update eletron to v42 (#4144)
- refactor(utils): drop ajv dependency (#4142)
- fix(systeminformation): output right 'used node' version (from parent process) (#4141)
- fix: skip postinstall git clean when not in a git repository (#4139)
- Remove unnecessary conditionals and fix falsy property check in imperial conversion (#4135)
- update version in package.json

###### [dependencies]
- update dependencies (#4191)
- Bump actions/checkout from 6 to 7 (#4190)
- chore: update dependencies and adjust import path for SunCalc (#4189)
- update dependencies incl. electron and revert yauzl-electron-install-fix (#4183)
- update dependencies, add electron fix in package.json (#4175)
- chore: update dependencies (#4162)
- Bump actions/dependency-review-action from 4 to 5 (#4152)
- Unify linting: replace Stylelint and markdownlint with ESLint (#4148)
- update dependencies and workflows to node v26 (#4140)

###### [modules/alert]
- CodeQL cleanup for alerts #18, #19, #20 (#4153)
- fix: resolve CodeQL alerts #24 and #26 (#4145)
- fix(electron): resolve CodeQL alerts #22 and #25 in electron.js (#4136)

###### [modules/calendar]
- perf(calendar): pre-filter ICS data before parsing (#4168)
- perf(calendar): use async ICS parsing to avoid blocking event loop (#4143)

###### [modules/newsfeed]
- [newsfeed] add allowBasicHtmlTags option for basic emphasis (#4176)

###### [modules/updatenotification]
- fix(updatenotification): don't spawn a child process when running under PM2 (#4166)
- fix(updatenotification): use process.argv[0] as restart binary (#4163)
- fix(updatenotification): preserve start mode on restart (#4156)
- fix(updatenotification): fix ref diff parsing for fetch --dry-run (#4138)
- refactor(updatenotification): replace pm2 usage with node logic (#4134)

###### [modules/weather]
- feat(weather): add Buienradar provider (#4164)

###### [testing]
- remove warning in unit tests (for nodejs >= v25) (#4149)
- polish HTTP 304 docs/test/handling (#4129)