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Summary:

During an upgrade of ReactNative and switching to new arch, we noticed that Android is ignoring some fontVariants. Specifically stylistic-{num}. Digging further I noticed that there are stylistic-{num} mappings added to fromRawValue (in packages/react-native/ReactCommon/react/renderer/attributedstring/conversions.h), but are not included for toMapBuffer

Changelog:

[Android] [Fixed] - fontVariants stylistic-{num} not being propagated correctly

Test Plan:

  • Added a new free font (FiraCode) that has stylistic features.
  • Added Text examples for Android showing with and without stylistic features

Before and after in order:

Before After

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meta-cla bot commented Jan 15, 2026

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@meta-cla meta-cla bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Jan 15, 2026
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Thank you for signing our Contributor License Agreement. We can now accept your code for this (and any) Meta Open Source project. Thanks!

@facebook-github-bot facebook-github-bot added the Shared with Meta Applied via automation to indicate that an Issue or Pull Request has been shared with the team. label Jan 15, 2026
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meta-codesync bot commented Jan 16, 2026

@philIip has imported this pull request. If you are a Meta employee, you can view this in D90830140.

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Review automatically exported from Phabricator review in Meta.

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LGTM 👍 Thanks for adding a sample to RN Tester also

@dragoncodes
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Awesome, I'll now look into the failing checks 👀

@meta-codesync meta-codesync bot closed this in 9353eb5 Jan 18, 2026
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This pull request was successfully merged by @dragoncodes in 9353eb5

When will my fix make it into a release? | How to file a pick request?

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meta-codesync bot commented Jan 18, 2026

@philIip merged this pull request in 9353eb5.

@react-native-bot react-native-bot added the Merged This PR has been merged. label Jan 18, 2026
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philIip commented Jan 18, 2026

couple changes i made you can see in 9353eb5:

  • needed to add the resource xml to wire to the ttf
  • split out the regular font, the one provided was a variable font

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5 participants