perf(6630): memoize Context Provider Values for Notifications, RiveWasm and GasFee

[DDDDDanica]

Description

3 context providers pass inline object literals as value, causing all consumers to re-render on every provider render, even when values haven't changed.

Changelog

CHANGELOG entry: null

Related issues

Fixes: https://github.com/MetaMask/MetaMask-planning/issues/6637, https://github.com/MetaMask/MetaMask-planning/issues/6639, https://github.com/MetaMask/MetaMask-planning/issues/6641

Manual testing steps

1. Go to this page...

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[mm-token-exchange-service]

✨ Files requiring CODEOWNER review ✨

🔔 @MetaMask/notifications (1 files, +16 -5)

• 📁 ui/
  • 📁 contexts/
    • 📁 metamask-notifications/
      • 📄 metamask-notifications.tsx +16 -5

[mm-token-exchange-service]

Builds ready [631b9e9]

• ⚠️ Make sure the build is safe before downloading and running this build.
  • Please do not use these builds with accounts that contain significant real money.
  • Beware the security risks of cache poisoning.
• Webpack builds: chrome, firefox
• Webpack builds (beta): chrome, firefox
• Webpack builds (flask): chrome, firefox
• Webpack builds (test): chrome, firefox
• Webpack builds (test-flask): chrome, firefox
• bundle size: Bundle Size Stats
• bundle analyzer: Bundle Analyzer
• interaction-benchmark: Interaction Stats
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts

Deprecated Browserify fallback builds

• Browserify builds: chrome, firefox
• Browserify builds (beta): chrome, firefox
• Browserify builds (flask): chrome, firefox
• Browserify builds (test): chrome, firefox
• Browserify builds (test-flask): chrome, firefox

⚡ Performance Benchmarks (Total: 🟢 17 pass · 🟡 8 warn · 🔴 0 fail)

Baseline (latest main): c649761 | Date: 6/12/2026 | Pipeline: 27444999745 | Baseline logs

Interaction Benchmarks · Samples: 5

Benchmark	chrome-webpack	firefox-webpack
loadNewAccount [Sentry log · main/release]	🟢 [CI log]	🟢 [CI log]
confirmTx [Sentry log · main/release]	🟢 [CI log]	🟢 [CI log]
bridgeUserActions [Sentry log · main/release]	🟢 [CI log]	🟡 [CI log]

📈 Results compared to the previous 5 runs on main

• ↓ loadNewAccount/lcp: -13%
• ↓ confirmTx/lcp: -17%
• ↓ bridgeUserActions/inp: -18%
• ↑ loadNewAccount/load_new_account: +70%
• ↑ loadNewAccount/total: +70%
• ↑ loadNewAccount/inp: +35%
• ↓ loadNewAccount/fcp: -46%
• ↑ loadNewAccount/lcp: +1122%
• ↑ confirmTx/confirm_tx: +10%
• ↓ confirmTx/longTaskCount: -100%
• ↓ confirmTx/longTaskTotalDuration: -100%
• ↓ confirmTx/longTaskMaxDuration: -100%
• ↓ confirmTx/tbt: -100%
• ↑ confirmTx/total: +10%
• ↑ confirmTx/inp: +10%
• ↓ confirmTx/fcp: -46%
• ↑ confirmTx/lcp: +1104%
• ↑ bridgeUserActions/bridge_load_page: +98%
• ↑ bridgeUserActions/bridge_load_asset_picker: +61%
• ↑ bridgeUserActions/bridge_search_token: +21%
• ↓ bridgeUserActions/longTaskCount: -100%
• ↓ bridgeUserActions/longTaskTotalDuration: -100%
• ↓ bridgeUserActions/longTaskMaxDuration: -100%
• ↓ bridgeUserActions/tbt: -100%
• ↑ bridgeUserActions/total: +51%
• ↓ bridgeUserActions/inp: -25%
• ↑ bridgeUserActions/lcp: +1181%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)

• 🟡 bridgeUserActions/FCP: p75 1.9s

Startup Benchmarks · Samples: 100

Benchmark	chrome-webpack	firefox-webpack
startupStandardHome [Sentry log · main/release]	🟢 [CI log]	🟢 [CI log]
startupPowerUserHome [Sentry log · main/release]	🟡 [CI log]	🟡 [CI log]

📈 Results compared to the previous 5 runs on main

• ↓ startupStandardHome/inp: -11%
• ↑ startupPowerUserHome/backgroundConnect: +12%
• ↑ startupPowerUserHome/setupStore: +10%
• ↓ startupPowerUserHome/numNetworkReqs: -24%
• ↑ startupPowerUserHome/tbt: +11%
• ↑ startupStandardHome/domInteractive: +18%
• ↑ startupStandardHome/setupStore: +14%
• ↑ startupStandardHome/fcp: +14%
• ↓ startupPowerUserHome/domInteractive: -22%
• ↑ startupPowerUserHome/setupStore: +18%
• ↓ startupPowerUserHome/fcp: -19%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)

• 🔴 startupPowerUserHome/INP: p75 528ms
• 🟡 startupPowerUserHome/LCP: p75 2.7s

User Journey Benchmarks · Samples: 5 · mock API

Benchmark	chrome-webpack	firefox-webpack
onboardingImportWallet [Sentry log · main/release]	🟢 [CI log]	🟢 [CI log]
onboardingNewWallet [Sentry log · main/release]	🟢 [CI log]	🟡 [CI log] 🟡 total
assetDetails [Sentry log · main/release]	🟢 [CI log]	🟢 [CI log]
solanaAssetDetails [Sentry log · main/release]	🟢 [CI log]	🟡 [CI log]
importSrpHome [Sentry log · main/release]	🟡 [CI log]	🟡 [CI log]
sendTransactions [Sentry log · main/release]	🟢 [CI log]	🟡 [CI log]
swap [Sentry log · main/release]	🟢 [CI log]	🟢 [CI log]

📈 Results compared to the previous 5 runs on main

• ↓ onboardingImportWallet/doneButtonToHomeScreen: -87%
• ↓ onboardingImportWallet/openAccountMenuToAccountListLoaded: -97%
• ↓ onboardingImportWallet/longTaskCount: -77%
• ↓ onboardingImportWallet/longTaskTotalDuration: -93%
• ↓ onboardingImportWallet/longTaskMaxDuration: -90%
• ↓ onboardingImportWallet/tbt: -99%
• ↓ onboardingImportWallet/total: -85%
• ↓ onboardingNewWallet/doneButtonToAssetList: -22%
• ↓ onboardingNewWallet/longTaskTotalDuration: -40%
• ↓ onboardingNewWallet/longTaskMaxDuration: -20%
• ↓ onboardingNewWallet/tbt: -51%
• ↓ onboardingNewWallet/total: -20%
• ↓ solanaAssetDetails/assetClickToPriceChart: -58%
• ↓ solanaAssetDetails/longTaskCount: -100%
• ↓ solanaAssetDetails/longTaskTotalDuration: -100%
• ↓ solanaAssetDetails/longTaskMaxDuration: -100%
• ↓ solanaAssetDetails/tbt: -100%
• ↓ solanaAssetDetails/total: -58%
• ↓ solanaAssetDetails/cls: -89%
• ↓ importSrpHome/loginToHomeScreen: -31%
• ↑ importSrpHome/openAccountMenuAfterLogin: +164%
• ↓ importSrpHome/homeAfterImportWithNewWallet: -41%
• ↓ importSrpHome/longTaskCount: -22%
• ↓ importSrpHome/longTaskTotalDuration: -36%
• ↓ importSrpHome/longTaskMaxDuration: -21%
• ↓ importSrpHome/tbt: -47%
• ↓ importSrpHome/total: -37%
• ↓ importSrpHome/inp: -13%
• ↑ importSrpHome/lcp: +12%
• ↓ sendTransactions/openSendPageFromHome: -17%
• ↓ sendTransactions/inp: -19%
• ↓ sendTransactions/lcp: -12%
• ↓ sendTransactions/cls: -88%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)

• 🟡 importSrpHome/INP: p75 224ms
• 🟡 solanaAssetDetails/FCP: p75 1.9s
• 🟡 importSrpHome/FCP: p75 1.8s
• 🟡 sendTransactions/FCP: p75 2.0s

Dapp Page Load Benchmarks · Samples: 100

Benchmark	chrome-webpack
dappPageLoad [Sentry log · main/release]	🟢 [CI log]

Bundle size diffs

• background: 58 Bytes (0%)
• ui: -118 Bytes (0%)
• common: 20 Bytes (0%)

[mm-token-exchange-service]

Builds ready [92bf578]

• ⚠️ Make sure the build is safe before downloading and running this build.
  • Please do not use these builds with accounts that contain significant real money.
  • Beware the security risks of cache poisoning.
• Webpack builds: chrome, firefox
• Webpack builds (beta): chrome, firefox
• Webpack builds (flask): chrome, firefox
• Webpack builds (test): chrome, firefox
• Webpack builds (test-flask): chrome, firefox
• bundle size: Bundle Size Stats
• bundle analyzer: Bundle Analyzer
• interaction-benchmark: Interaction Stats
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts

Deprecated Browserify fallback builds

• Browserify builds: chrome, firefox
• Browserify builds (beta): chrome, firefox
• Browserify builds (flask): chrome, firefox
• Browserify builds (test): chrome, firefox
• Browserify builds (test-flask): chrome, firefox

⚡ Performance Benchmarks (Total: 🟢 17 pass · 🟡 7 warn · 🔴 1 fail)

Baseline (latest main): c649761 | Date: 6/12/2026 | Pipeline: 27448086258 | Baseline logs

Metrics	chrome-webpack	firefox-webpack
onboardingNewWallet [Sentry log · main/release]	🟢 [CI log]	🔴 [CI log]

Regressions (🔴 1 failure)

• onboardingNewWallet [Sentry log · main/release] · firefox-webpack — total(p75) [CI log]

Interaction Benchmarks · Samples: 5

Benchmark	chrome-webpack	firefox-webpack
loadNewAccount [Sentry log · main/release]	🟢 [CI log]	🟢 [CI log]
confirmTx [Sentry log · main/release]	🟢 [CI log]	🟢 [CI log]
bridgeUserActions [Sentry log · main/release]	🟢 [CI log]	🟢 [CI log] 🔴 bridge_search_token

📈 Results compared to the previous 5 runs on main

• ↑ loadNewAccount/inp: +15%
• ↓ confirmTx/inp: -10%
• ↓ confirmTx/lcp: -14%
• ↓ bridgeUserActions/inp: -25%
• ↑ loadNewAccount/load_new_account: +66%
• ↑ loadNewAccount/total: +66%
• ↑ loadNewAccount/lcp: +1076%
• ↑ confirmTx/confirm_tx: +10%
• ↓ confirmTx/longTaskCount: -100%
• ↓ confirmTx/longTaskTotalDuration: -100%
• ↓ confirmTx/longTaskMaxDuration: -100%
• ↓ confirmTx/tbt: -100%
• ↑ confirmTx/total: +10%
• ↑ confirmTx/inp: +50%
• ↓ confirmTx/fcp: -50%
• ↑ confirmTx/lcp: +1086%
• ↑ bridgeUserActions/bridge_load_page: +65%
• ↑ bridgeUserActions/bridge_load_asset_picker: +104%
• ↑ bridgeUserActions/bridge_search_token: +283%
• ↓ bridgeUserActions/longTaskCount: -100%
• ↓ bridgeUserActions/longTaskTotalDuration: -100%
• ↓ bridgeUserActions/longTaskMaxDuration: -100%
• ↓ bridgeUserActions/tbt: -100%
• ↑ bridgeUserActions/total: +233%
• ↓ bridgeUserActions/inp: -33%
• ↓ bridgeUserActions/fcp: -51%
• ↑ bridgeUserActions/lcp: +1129%

Startup Benchmarks · Samples: 100

Benchmark	chrome-webpack	firefox-webpack
startupStandardHome [Sentry log · main/release]	🟢 [CI log]	🟢 [CI log]
startupPowerUserHome [Sentry log · main/release]	🟡 [CI log]	🟡 [CI log]

📈 Results compared to the previous 5 runs on main

• ↓ startupPowerUserHome/numNetworkReqs: -26%
• ↑ startupPowerUserHome/longTaskMaxDuration: +10%
• ↑ startupPowerUserHome/inp: +13%
• ↓ startupPowerUserHome/domInteractive: -17%
• ↓ startupPowerUserHome/backgroundConnect: -53%
• ↑ startupPowerUserHome/setupStore: +15%
• ↓ startupPowerUserHome/fcp: -16%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)

• 🔴 startupPowerUserHome/INP: p75 568ms
• 🟡 startupPowerUserHome/LCP: p75 2.8s

User Journey Benchmarks · Samples: 5 · mock API 🔴 1

Benchmark	chrome-webpack	firefox-webpack
onboardingImportWallet [Sentry log · main/release]	🟢 [CI log]	🟢 [CI log]
onboardingNewWallet [Sentry log · main/release]	🟢 [CI log]	🔴 [CI log] 🔴 total
assetDetails [Sentry log · main/release]	🟡 [CI log]	🟡 [CI log]
solanaAssetDetails [Sentry log · main/release]	🟢 [CI log]	🟡 [CI log]
importSrpHome [Sentry log · main/release]	🟢 [CI log]	🟡 [CI log]
sendTransactions [Sentry log · main/release]	🟢 [CI log]	🟡 [CI log]
swap [Sentry log · main/release]	🟢 [CI log]	🟢 [CI log]

📈 Results compared to the previous 5 runs on main

• ↑ onboardingImportWallet/srpButtonToSrpForm: +12%
• ↑ onboardingImportWallet/confirmSrpToPwForm: +11%
• ↑ onboardingImportWallet/pwFormToMetricsScreen: +11%
• ↓ onboardingImportWallet/doneButtonToHomeScreen: -86%
• ↓ onboardingImportWallet/openAccountMenuToAccountListLoaded: -96%
• ↓ onboardingImportWallet/longTaskCount: -77%
• ↓ onboardingImportWallet/longTaskTotalDuration: -92%
• ↓ onboardingImportWallet/longTaskMaxDuration: -88%
• ↓ onboardingImportWallet/tbt: -97%
• ↓ onboardingImportWallet/total: -84%
• ↑ onboardingNewWallet/skipBackupToMetricsScreen: +11%
• ↓ onboardingNewWallet/doneButtonToAssetList: -22%
• ↓ onboardingNewWallet/longTaskTotalDuration: -32%
• ↓ onboardingNewWallet/longTaskMaxDuration: -23%
• ↓ onboardingNewWallet/tbt: -68%
• ↓ onboardingNewWallet/total: -18%
• ↓ solanaAssetDetails/assetClickToPriceChart: -47%
• ↓ solanaAssetDetails/longTaskCount: -100%
• ↓ solanaAssetDetails/longTaskTotalDuration: -100%
• ↓ solanaAssetDetails/longTaskMaxDuration: -100%
• ↓ solanaAssetDetails/tbt: -100%
• ↓ solanaAssetDetails/total: -47%
• ↓ solanaAssetDetails/cls: -89%
• ↓ importSrpHome/loginToHomeScreen: -23%
• ↑ importSrpHome/openAccountMenuAfterLogin: +13%
• ↓ importSrpHome/homeAfterImportWithNewWallet: -39%
• ↓ importSrpHome/longTaskCount: -22%
• ↓ importSrpHome/longTaskTotalDuration: -33%
• ↓ importSrpHome/longTaskMaxDuration: -22%
• ↓ importSrpHome/tbt: -34%
• ↓ importSrpHome/total: -36%
• ↓ importSrpHome/inp: -28%
• ↑ sendTransactions/openSendPageFromHome: +172%
• ↑ sendTransactions/selectTokenToSendFormLoaded: +45%
• ↓ sendTransactions/inp: -32%
• ↓ sendTransactions/cls: -88%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)

• 🟡 assetDetails/FCP: p75 1.8s
• 🟡 assetDetails/FCP: p75 1.9s
• 🟡 solanaAssetDetails/FCP: p75 1.8s
• 🟡 importSrpHome/FCP: p75 1.8s
• 🟡 sendTransactions/FCP: p75 1.9s

Dapp Page Load Benchmarks · Samples: 100

Benchmark	chrome-webpack
dappPageLoad [Sentry log · main/release]	🟢 [CI log]

Bundle size diffs

• background: 58 Bytes (0%)
• ui: -118 Bytes (0%)
• common: 20 Bytes (0%)