Update to Firebase 12.4.0

[github-actions]

The Firebase Apple SDK (12.4.0) is now available. For more details, see
the Firebase Apple SDK release notes.

To install this SDK, see Add Firebase to your project.

What's Changed

• Temporarily replace absl::flat_hash_map by @cherylEnkidu in Temporarily replace absl::flat_hash_map firebase/firebase-ios-sdk#15300
• Safely copy MIMEType to prevent use after free (Issue #14734) by @JesusRojass in Safely copy MIMEType to prevent use after free (Issue #14734) firebase/firebase-ios-sdk#15313
• feat(ci): Run cron jobs on workflow dispatch by @ncooke3 in feat(ci): Run cron jobs on workflow dispatch firebase/firebase-ios-sdk#15316
• fix(ci): Fix syntax error in common_cocoapods_cron.yml by @ncooke3 in fix(ci): Fix syntax error in common_cocoapods_cron.yml firebase/firebase-ios-sdk#15324
• fix(ci): Update indentation in auth.yml by @ncooke3 in fix(ci): Update indentation in auth.yml firebase/firebase-ios-sdk#15325
• feat(carthage): Add Carthage artifacts from M170 by @ncooke3 in feat(carthage): Add Carthage artifacts from M170 firebase/firebase-ios-sdk#15328
• [Firebase AI] Add macOS / Xcode 26 CI testing by @andrewheard in [Firebase AI] Add macOS / Xcode 26 CI testing firebase/firebase-ios-sdk#15326
• feat: Update versions for Release 12.4.0 by @ncooke3 in feat: Update versions for Release 12.4.0 firebase/firebase-ios-sdk#15329
• fix(ci): Update common_cocoapods_cron.yml by @ncooke3 in fix(ci): Update common_cocoapods_cron.yml firebase/firebase-ios-sdk#15334
• [AI] Developer API and Imagen generate GA by @paulb777 in [AI] Developer API and Imagen generate GA firebase/firebase-ios-sdk#15336
• [Firebase AI] Add macOS / Xcode 26 testing to spm job by @andrewheard in [Firebase AI] Add macOS / Xcode 26 testing to spm job firebase/firebase-ios-sdk#15330
• chore(deps): bump rexml from 3.3.9 to 3.4.2 by @dependabot[bot] in chore(deps): bump rexml from 3.3.9 to 3.4.2 firebase/firebase-ios-sdk#15337
• chore(deps): bump rexml from 3.4.1 to 3.4.2 in /.github/actions/notices_generation by @dependabot[bot] in chore(deps): bump rexml from 3.4.1 to 3.4.2 in /.github/actions/notices_generation firebase/firebase-ios-sdk#15342
• [Firebase AI] Add URLContext tool by @andrewheard in [Firebase AI] Add URLContext tool firebase/firebase-ios-sdk#15221
• [AI] Add Public Preview annotations to URL context APIs by @dlarocque in [AI] Add Public Preview annotations to URL context APIs firebase/firebase-ios-sdk#15354
• [AI] Update empty parts check for urlContextMetadata by @paulb777 in [AI] Update empty parts check for urlContextMetadata firebase/firebase-ios-sdk#15355
• Swift AsyncSequence APIs for real-time streams: design document by @peterfriese in Swift AsyncSequence APIs for real-time streams: design document firebase/firebase-ios-sdk#15350
• fix(ci): Change how FIREBASE_CI is enabled by @ncooke3 in fix(ci): Change how FIREBASE_CI is enabled firebase/firebase-ios-sdk#15364
• Adding development platform setter APIs to context init promise chain by @themiswang in Adding development platform setter APIs to context init promise chain firebase/firebase-ios-sdk#15356
• Analytics 12.4.0 by @pcfba in Analytics 12.4.0 firebase/firebase-ios-sdk#15367
• chore(m171): Version changelogs by @ncooke3 in chore(m171): Version changelogs firebase/firebase-ios-sdk#15369
• feat(ai): Live API by @daymxn in feat(ai): Live API firebase/firebase-ios-sdk#15309
• chore(m172): Update changelogs by @daymxn in chore(m172): Update changelogs firebase/firebase-ios-sdk#15370
• chore(m172): Update firestore target for release by @daymxn in chore(m172): Update firestore target for release firebase/firebase-ios-sdk#15374
• fix(ai): Use location in websocket endpoint by @daymxn in fix(ai): Use location in websocket endpoint firebase/firebase-ios-sdk#15373
• chore(ci): Upload build log in spm.yml job by @ncooke3 in chore(ci): Upload build log in spm.yml job firebase/firebase-ios-sdk#15376
• fix(ai): Add missing available to extension by @daymxn in fix(ai): Add missing available to extension firebase/firebase-ios-sdk#15378
• feat(ci): Add verbose option to reusable lint workflow by @ncooke3 in feat(ci): Add verbose option to reusable lint workflow firebase/firebase-ios-sdk#15377
• fix(ai): Fix error propagation during setup by @daymxn in fix(ai): Fix error propagation during setup firebase/firebase-ios-sdk#15379

New Contributors

• @JesusRojass made their first contribution in Safely copy MIMEType to prevent use after free (Issue #14734) firebase/firebase-ios-sdk#15313

Full Changelog: firebase/firebase-ios-sdk@12.3.0...12.4.0