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[CP Staging] Patch Skia to fix iOS chart crash and charts stuck loading - #98437

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mountiny merged 2 commits into
Expensify:mainfrom
software-mansion-labs:fix-dispose-symbol-eval-skia
Aug 12, 2026
Merged

[CP Staging] Patch Skia to fix iOS chart crash and charts stuck loading#98437
mountiny merged 2 commits into
Expensify:mainfrom
software-mansion-labs:fix-dispose-symbol-eval-skia

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@mhawryluk

@mhawryluk mhawryluk commented Aug 12, 2026

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Explanation of Change

Adds a patch to @shopify/react-native-skia 2.4.14 that removes a JS eval from its native JSI layer. JsiHostObject::get falls back to a "dispose symbol" check whenever a property isn't found on a Skia host object, and that check calls jsi::eval(runtime, "Symbol.for('Symbol.dispose');"). Hermes without a runtime compiler rejects it, so the lookup throws SyntaxError: Parsing source code unsupported instead of returning undefined. The patch obtains the symbol through runtime.global() instead, which is byte-identical to the upstream fix in Shopify/react-native-skia#3855. It can be dropped once we bump Skia to >= 2.6.9. This reproduces only in builds whose Hermes lacks the compiler (Release builds).

Fixed Issues

$ #98327
PROPOSAL: N/A

Tests

  1. Open Home.
  2. Verify the Insights widget loads correctly.
  3. Go to Spend > Top merchants.
  4. Verify the app doesn't crash.

Offline tests

N/A

QA Steps

Same as tests.

PR Author Checklist

  • I linked the correct issue in the ### Fixed Issues section above
  • I wrote clear testing steps that cover the changes made in this PR
    • I added steps for local testing in the Tests section
    • I added steps for the expected offline behavior in the Offline steps section
    • I added steps for Staging and/or Production testing in the QA steps section
    • I added steps to cover failure scenarios (i.e. verify an input displays the correct error message if the entered data is not correct)
    • I turned off my network connection and tested it while offline to ensure it matches the expected behavior (i.e. verify the default avatar icon is displayed if app is offline)
    • I tested this PR with a High Traffic account against the staging or production API to ensure there are no regressions (e.g. long loading states that impact usability).
  • I included screenshots or videos for tests on all platforms
  • I ran the tests on all platforms & verified they passed on:
    • Android: Native
    • Android: mWeb Chrome
    • iOS: Native
    • iOS: mWeb Safari
    • MacOS: Chrome / Safari
  • I verified there are no console errors (if there's a console error not related to the PR, report it or open an issue for it to be fixed)
  • I followed proper code patterns (see Reviewing the code)
    • I verified that comments were added to code that is not self explanatory
    • I verified that any new or modified comments were clear, correct English, and explained "why" the code was doing something instead of only explaining "what" the code was doing.
    • I verified any copy / text that was added to the app is grammatically correct in English. It adheres to proper capitalization guidelines (note: only the first word of header/labels should be capitalized), and is either coming verbatim from figma or has been approved by marketing (in order to get marketing approval, ask the Bug Zero team member to add the Waiting for copy label to the issue)
  • If a new code pattern is added I verified it was agreed to be used by multiple Expensify engineers
  • I followed the guidelines as stated in the Review Guidelines
  • I tested other components that can be impacted by my changes (i.e. if the PR modifies a shared library or component like Avatar, I verified the components using Avatar are working as expected)
  • If a new CSS style is added I verified that:
    • A similar style doesn't already exist
    • The style can't be created with an existing StyleUtils function (i.e. StyleUtils.getBackgroundAndBorderStyle(theme.componentBG))
  • If new assets were added or existing ones were modified, I verified that:
    • The assets are optimized and compressed (for SVG files, run npm run compress-svg)
    • The assets load correctly across all supported platforms.
  • If the PR modifies code that runs when editing or sending messages, I tested and verified there is no unexpected behavior for all supported markdown - URLs, single line code, code blocks, quotes, headings, bold, strikethrough, and italic.
  • If the PR modifies a generic component, I tested and verified that those changes do not break usages of that component in the rest of the App (i.e. if a shared library or component like Avatar is modified, I verified that Avatar is working as expected in all cases)
  • If the PR modifies a component related to any of the existing Storybook stories, I tested and verified all stories for that component are still working as expected.
  • If the PR modifies a component or page that can be accessed by a direct deeplink, I verified that the code functions as expected when the deeplink is used - from a logged in and logged out account.
  • If the PR modifies the UI (e.g. new buttons, new UI components, changing the padding/spacing/sizing, moving components, etc) or modifies the form input styles:
    • I verified that all the inputs inside a form are aligned with each other.
    • I added Design label and/or tagged @Expensify/design so the design team can review the changes.
  • I added unit tests for any new feature or bug fix in this PR to help automatically prevent regressions in this user flow.
  • If the main branch was merged into this PR after a review, I tested again and verified the outcome was still expected according to the Test steps.

Screenshots/Videos

Android: Native
Android: mWeb Chrome
iOS: Native
Simulator.Screen.Recording.-.iPhone.17.Pro.-.2026-08-12.at.17.07.36.mov
iOS: mWeb Safari
MacOS: Chrome / Safari

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⚠️ This PR is possibly changing native code and/or updating libraries, it may cause problems with HybridApp. Please check if any patch updates are required in the HybridApp repo and run an AdHoc build to verify that HybridApp will not break. Ask Contributor Plus for help if you are not sure how to handle this. ⚠️

@mhawryluk mhawryluk changed the title Patch Skia to fix iOS chart crash and charts stuck loading [CP Staging] Patch Skia to fix iOS chart crash and charts stuck loading Aug 12, 2026
@mhawryluk
mhawryluk marked this pull request as ready for review August 12, 2026 15:15
@mhawryluk
mhawryluk requested a review from a team as a code owner August 12, 2026 15:15
@melvin-bot
melvin-bot Bot requested review from ZhenjaHorbach and removed request for a team August 12, 2026 15:15
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melvin-bot Bot commented Aug 12, 2026

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@ZhenjaHorbach Please copy/paste the Reviewer Checklist from here into a new comment on this PR and complete it. If you have the K2 extension, you can simply click: [this button]

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🚧 mountiny has triggered a test Expensify/App build. You can view the workflow run here.

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Thanks! good that this is already upstream so we can remove it soon

@ZhenjaHorbach

ZhenjaHorbach commented Aug 12, 2026

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Reviewer Checklist

  • I have verified the author checklist is complete (all boxes are checked off).
  • I verified the correct issue is linked in the ### Fixed Issues section above
  • I verified testing steps are clear and they cover the changes made in this PR
    • I verified the steps for local testing are in the Tests section
    • I verified the steps for Staging and/or Production testing are in the QA steps section
    • I verified the steps cover any possible failure scenarios (i.e. verify an input displays the correct error message if the entered data is not correct)
    • I turned off my network connection and tested it while offline to ensure it matches the expected behavior (i.e. verify the default avatar icon is displayed if app is offline)
  • I checked that screenshots or videos are included for tests on all platforms
  • I included screenshots or videos for tests on all platforms
  • I verified that the composer does not automatically focus or open the keyboard on mobile unless explicitly intended. This includes checking that returning the app from the background does not unexpectedly open the keyboard.
  • I verified tests pass on all platforms & I tested again on:
    • Android: HybridApp
    • Android: mWeb Chrome
    • iOS: HybridApp
    • iOS: mWeb Safari
    • MacOS: Chrome / Safari
  • If there are any errors in the console that are unrelated to this PR, I either fixed them (preferred) or linked to where I reported them in Slack
  • I verified proper code patterns were followed (see Reviewing the code)
    • I verified that comments were added to code that is not self explanatory
    • I verified that any new or modified comments were clear, correct English, and explained "why" the code was doing something instead of only explaining "what" the code was doing.
    • I verified any copy / text that was added to the app is grammatically correct in English. It adheres to proper capitalization guidelines (note: only the first word of header/labels should be capitalized), and is either coming verbatim from figma or has been approved by marketing (in order to get marketing approval, ask the Bug Zero team member to add the Waiting for copy label to the issue)
  • If a new code pattern is added I verified it was agreed to be used by multiple Expensify engineers
  • I verified that this PR follows the guidelines as stated in the Review Guidelines
  • I verified other components that can be impacted by these changes have been tested, and I retested again (i.e. if the PR modifies a shared library or component like Avatar, I verified the components using Avatar have been tested & I retested again)
  • If a new component is created I verified that:
    • A similar component doesn't exist in the codebase
    • All props are defined accurately
    • The component has a clear name that is non-ambiguous and the purpose of the component can be inferred from the name alone
    • The only data being stored in the state is data necessary for rendering and nothing else
    • The component has the minimum amount of code necessary for its purpose, and it is broken down into smaller components in order to separate concerns and functions
  • If a new CSS style is added I verified that:
    • A similar style doesn't already exist
    • The style can't be created with an existing StyleUtils function (i.e. StyleUtils.getBackgroundAndBorderStyle(theme.componentBG)
  • If the PR modifies code that runs when editing or sending messages, I tested and verified there is no unexpected behavior for all supported markdown - URLs, single line code, code blocks, quotes, headings, bold, strikethrough, and italic.
  • If the PR modifies a generic component, I tested and verified that those changes do not break usages of that component in the rest of the App (i.e. if a shared library or component like Avatar is modified, I verified that Avatar is working as expected in all cases)
  • If the PR modifies a component related to any of the existing Storybook stories, I tested and verified all stories for that component are still working as expected.
  • If the PR modifies a component or page that can be accessed by a direct deeplink, I verified that the code functions as expected when the deeplink is used - from a logged in and logged out account.
  • If the PR modifies the UI (e.g. new buttons, new UI components, changing the padding/spacing/sizing, moving components, etc) or modifies the form input styles:
    • I verified that all the inputs inside a form are aligned with each other.
    • I added Design label and/or tagged @Expensify/design so the design team can review the changes.
  • For any bug fix or new feature in this PR, I verified that sufficient unit tests are included to prevent regressions in this flow.
  • If the main branch was merged into this PR after a review, I tested again and verified the outcome was still expected according to the Test steps.
  • I have checked off every checkbox in the PR reviewer checklist, including those that don't apply to this PR.

Screenshots/Videos

Android: HybridApp
2026-08-12.18.16.40.mov
Android: mWeb Chrome
iOS: HybridApp Снимок экрана — 2026-08-12 в 16 37 24
iOS: mWeb Safari
MacOS: Chrome / Safari

@melvin-bot
melvin-bot Bot requested a review from mountiny August 12, 2026 16:21

@roryabraham roryabraham left a comment

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Drop this patch once the Skia dependency is bumped to >= 2.6.9.

❤️

@mountiny
mountiny merged commit c9eb9d2 into Expensify:main Aug 12, 2026
33 of 37 checks passed
OSBotify pushed a commit that referenced this pull request Aug 12, 2026
…ol-eval-skia

[CP Staging] Patch Skia to fix iOS chart crash and charts stuck loading

(cherry picked from commit c9eb9d2)

(cherry-picked to staging by mountiny)
@OSBotify OSBotify added the CP Staging marks PRs that have been CP'd to staging label Aug 12, 2026
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✋ This PR was not deployed to staging yet because QA is ongoing. It will be automatically deployed to staging after the next production release.

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🚧 mountiny has triggered a test Expensify/App build. You can view the workflow run here.

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🚀 Cherry-picked to staging by https://github.com/mountiny in version: 9.4.52-10 🚀

platform result
🕸 web 🕸 success ✅
🤖 android 🤖 success ✅
🍎 iOS 🍎 success ✅

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🚀 Deployed to production by https://github.com/roryabraham in version: 9.4.52-11 🚀

platform result
🕸 web 🕸 success ✅
🤖 android 🤖 success ✅
🍎 iOS 🍎 success ✅

Bundle Size Analysis (Sentry):

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🚀 Cherry-picked to staging by https://github.com/mountiny in version: 9.4.53-0 🚀

platform result
🕸 web 🕸 success ✅
🤖 android 🤖 success ✅
🍎 iOS 🍎 success ✅

@OSBotify

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🚀 Deployed to production by https://github.com/roryabraham in version: 9.4.53-10 🚀

platform result
🕸 web 🕸 success ✅
🤖 android 🤖 success ✅
🍎 iOS 🍎 success ✅

Bundle Size Analysis (Sentry):

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5 participants