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uint64_t underflow inside Array::arrayPrototypeSplice

bugSomething isn't workingSomething isn't working

Status: Open.

#1912 In facebook/hermes;

· farwayer opened on Feb 21, 2026

defineProperty proxy hook is not called for Array length

bugSomething isn't workingSomething isn't working

Status: Open.

#1910 In facebook/hermes;

· farwayer opened on Feb 20, 2026

Static Hermes cli and windows support.

enhancementNew feature or requestNew feature or request

Status: Open.

#1905 In facebook/hermes;

· zs-3 opened on Feb 19, 2026

[iOS] Crash in HiddenClass::addProperty during runtime initialization (bindNativePerformanceNow)

need more infoAwating additional info before proceedingAwating additional info before proceeding

Status: Open.

#1896 In facebook/hermes;

· AdityaPahilwani opened on Feb 9, 2026

Static hermes is slow. Document how to optimize

Status: Open.

#1876 In facebook/hermes;

· paulmillr opened on Jan 13, 2026

Fatal signal 11 (SIGSEGV), code 2 (SEGV_ACCERR) on x86_64

need more infoAwating additional info before proceedingAwating additional info before proceeding

Status: Open.

#1873 In facebook/hermes;

· naqvitalha opened on Jan 7, 2026

When is Sampler::platformSuspendVMAndWalkStack called?

enhancementNew feature or requestNew feature or request

Status: Open.

#1853 In facebook/hermes;

· coolsoftwaretyler opened on Dec 2, 2025

Optimize bigint division (div_rem::compute) for fast case

Status: Open.

#1850 In facebook/hermes;

· ChALkeR opened on Nov 28, 2025

please include <code>hermes</code> and <code>hermesc</code> in Android builds distributed via Maven

enhancementNew feature or requestNew feature or request

Status: Open.

#1836 In facebook/hermes;

· matthargett opened on Nov 6, 2025

SEGV in Variable::getParent()

bugSomething isn't workingSomething isn't working

Status: Open.

#1835 In facebook/hermes;

· 7331akasokoan opened on Nov 4, 2025

Intl.NumberFormat maximumFractionDigits not applying with currencyDisplay "name"

bugSomething isn't workingSomething isn't working

Status: Open.

#1825 In facebook/hermes;

· tokkozhin opened on Oct 29, 2025

<code>Intl.DateTimeFormat()</code> ignores 24-hour time setting on iOS devices

community-support-neededFacebook can't provide direct support for this issue, it is up to the communityFacebook can't provide direct support for this issue, it is up to the community

need more infoAwating additional info before proceedingAwating additional info before proceeding

Status: Open.

#1822 In facebook/hermes;

· bh-sgarcia opened on Oct 29, 2025