Public record
Software health reportschema 0.27.0 · metrics 1.13.0 · 2026-07-29 08:05 UTC

get-convex / rusty_v8

Rust bindings for the V8 JavaScript engine

Rust · C++MIT★ 1 star⑂ 1 forksince May 2025forkView on GitHub ↗

get-convex/rusty_v8 holds a health index of 49 out of 100, placing it in the At risk band. It scores highest on Vitality (85/100) and lowest on Community & Adoption (12/100). It was last updated 7 days ago. 4 contributors account for most of its recent work.

49
overall / 100
At risk

Software health index

Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At risk ceiling of 49. AI Readiness sits outside the overall score.

49
Excellent85-100Exemplary; meets essentially all checked criteria
Good70-84Healthy; minor gaps
Moderate50-69Acceptable with notable gaps; review recommended
At risk30-49Significant weaknesses; adoption warrants caution
Critical1-29Severe problems (abandoned, single-maintainer, no hygiene)
VitalityCommunity &AdoptionSustainability &GovernanceEngineeringQualitySecurityAI Readiness

Score profile

Each axis is a category. The shape matters more than the average — a healthy subject fills the whole shape, while a spike-and-crater profile means strength in one dimension is masking risk in another.

Ownership

ConvexOrganization
2,214 followers190 public repossince Mar 2021

This repository is backed by an organization — shared, accountable stewardship that can outlive any single maintainer.

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publish
crates.iov8points to another repo — not scored150.4.0918,3271942 days ago

Metrics by category

Vitality

Is the project alive — is code being written and are releases shipping?

85Excellent · 22% of overall

Development activity

86Excellent
How it's scored
36/36Push recency — last push 7 days ago
22.2/36Commit cadence — 32/52 weeks with commits
18/18Commit volume — 111 commits in the last year
10/10OpenSSF Scorecard: Maintained — 13 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
Inputs used
commits_last_year111
human_commit_share1
days_since_last_push7
active_weeks_last_year32

Release discipline

83Good
How it's scored
27/27Ships releases — 9 releases published
36/36Release recency — latest release 7 days ago
19.8/27Release cadence — a release every ~53.3 days
0/10OpenSSF Scorecard: Signed-Releases — Project has not signed or included provenance with any releases.
Inputs used
releases_count9
latest_release_tagv149.2.9
releases_from_tagsno
days_since_latest_release7
mean_days_between_releases53.3

Community & Adoption

Does the project have users, downloads, attention, and a welcoming setup for contributors?

12Critical · 18% of overall

Popularity & adoption

1Critical
How it's scored
0/60Stars — 1 stars
0/25Forks — 1 forks
0/15Watchers — 0 watchers
Inputs used
forks1
stars1
watchers0
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history

Community health

25Critical
How it's scored
0/22.5README
22.5/22.5License — recognized license (MIT)
0/18CONTRIBUTING guide
0/13.5Code of conduct
0/7.2Issue template
0/6.3PR template
Inputs used
has_readmeno
has_licenseno
has_contributingno
has_issue_templateno
has_code_of_conductno
has_pull_request_templateno

Sustainability & Governance

Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?

57Moderate · 24% of overall

Maintainer resilience (bus factor)

85Excellent
How it's scored
43.2/54Bus factor — 4 contributor(s) cover half of all commits
18.1/22.5Commit distribution — top contributor authored 19% of commits
13.5/13.5Contributor breadth — 98 contributors
10/10OpenSSF Scorecard: Contributors — project has 72 contributing companies or organizations
Inputs used
bus_factor4
contributors_sampled98
top_contributor_share0.194

Issue & PR responsiveness

1Critical
How it's scored
0/46.8Issue resolution — no issues or no data
0/38.3PR acceptance — no decided pull requests or no data
0/15OpenSSF Scorecard: Code-Review — Found 0/30 approved changesets -- score normalized to 0
Inputs used
merged_prs0
open_issues0
closed_issues0
issue_closed_ratio—
closed_unmerged_prs0
Excluded from scoring (no data or not applicable): Issue resolution, PR acceptance. Remaining weights renormalized.

Ownership & stewardship

78Good
How it's scored
30/30Ownership backing — organization-owned
0/20Verified domain
24.1/25Owner reach — 2,214 followers of get-convex
23.7/25Track record — 190 public repos, account ~5 yr old
Inputs used
followers2,214
owner_typeOrganization
is_verified—
owner_loginget-convex
public_repos190
account_age_days1,948

Engineering Quality

Are baseline engineering and documentation practices in place?

42At risk · 20% of overall

Engineering practices

60Moderate
How it's scored
24/24CI workflows — 3 workflow(s)
24/24Tests present
0/16Linter config
0/9.6Pre-commit hooks
0/6.4.editorconfig
0/20OpenSSF Scorecard: CI-Tests — no data
Inputs used
has_ciyes
has_testsyes
has_editorconfigno
has_linter_configno
has_precommit_configno
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: CI-Tests. Remaining weights renormalized.

Documentation

15Critical
How it's scored
0/30README
0/25Documentation directory
15/15Documentation / homepage site — https://crates.io/crates/v8
0/10Repository description
0/10Topics
0/10Wiki
Inputs used
topics—
has_wikino
homepagehttps://crates.io/crates/v8
has_readmeno
has_docs_dirno
has_descriptionno

Security

Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?

38At risk · 16% of overall

Security posture

38At risk
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
0/7.5Branch-Protection — branch protection not enabled on development/release branches
0/2.5CI-Tests — no data
0/2.5CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected
0/7.5Code-Review — Found 0/30 approved changesets -- score normalized to 0
2.5/2.5Contributors — project has 72 contributing companies or organizations
10/10Dangerous-Workflow — no dangerous workflow patterns detected
0/7.5Dependency-Update-Tool — no update tool detected
0/5Fuzzing — project is not fuzzed
2.5/2.5License — license file detected
7.5/7.5Maintained — 13 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
5/5Packaging — packaging workflow detected
0/5Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0
0/5SAST — no SAST tool detected
0/5Security-Policy — security policy file not detected
0/7.5Signed-Releases — Project has not signed or included provenance with any releases.
0/7.5Token-Permissions — detected GitHub workflow tokens with excessive permissions
3.8/7.5Vulnerabilities — 5 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated17
scorecard_versionv5.5.0
checks_inconclusive1
scorecard_aggregate3.8
Excluded from scoring (no data or not applicable): ci_tests. Remaining weights renormalized.

AI Readiness

How well is the repo equipped to be developed and maintained with AI coding agents? An independent, experimental badge — weight 0.0, so it is surfaced on its own and does not affect the overall health score.

59Moderate · 0% of overall

Agent context & guidance

40At risk
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
40/40Legible commit history — 100 of 100 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
legible_history_share1
agent_instruction_files—
agent_instruction_max_bytes—

Verify loop (build / test / typecheck)

66Moderate
How it's scored
12.6/18One-command bootstrap — Cargo.toml, examples/android/Cargo.toml (toolchain convention, no task runner)
22/22Automated tests
0/11Lint / format config
11/11Static type checking — Rust (statically typed)
10/10Reproducible environment — Dockerfile, lockfile
10/10Demonstrated agent practice — 16 of the last 100 commits agent-authored or agent-credited
0/8Automated maintenance — no automated dependency updates observed
0/10OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0
Inputs used
has_nixno
has_testsyes
lockfilesCargo.lock
has_dockerfileyes
typed_languageyes
bootstrap_files—
has_devcontainerno
has_linter_configno
typecheck_configs—
agent_commit_share0.16
toolchain_manifestsCargo.toml, examples/android/Cargo.toml
dependency_bot_commit_share0

Code legibility for models

98Excellent
How it's scored
45/45Type-checkable code — Rust (statically typed)
52.5/55Manageable file sizes — 5/109 source files over 60KB
Inputs used
primary_languageRust
largest_source_bytes435,300
source_files_sampled109
oversized_source_files5

Machine-readable interfaces

40At risk
How it's scored
0/40API schema (OpenAPI/GraphQL/proto)
0/20MCP server
40/40Runnable examples — examples
Inputs used
example_dirsexamples
has_mcp_signalno
api_schema_files—

Key facts

1GitHub stars
98contributors
111commits, last 12 months
7days since last push
9releases
4bus factor
0open issues
crates.iopackage ecosystems

Data collection warnings

  • Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token
  • Community profile unavailable
  • crates package 'v8' points at a different repository (https://github.com/denoland/rusty_v8); excluded from ecosystem scoring
  • GitHub dependency-graph SBOM unavailable (404); the dependency graph may be disabled for this repository

More detail

OpenSSF Scorecard 3.8 / 10
3.8aggregate

Independent, tool-agnostic security assessment from the open-source OpenSSF Scorecard. Each check rewards a security practice, not a specific vendor's tool. Checks Scorecard could not determine are marked n/a and excluded from the security score (never counted as zero).Scorecard v5.5.0 · 2026-07-29 08:05 UTC

10Binary-Artifactsno binaries found in the repo
0Branch-Protectionbranch protection not enabled on development/release branches
n/aCI-Testsno pull request found
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
0Code-ReviewFound 0/30 approved changesets -- score normalized to 0
10Contributorsproject has 72 contributing companies or organizations
10Dangerous-Workflowno dangerous workflow patterns detected
0Dependency-Update-Toolno update tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
10Maintained13 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
10Packagingpackaging workflow detected
0Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 0
0SASTno SAST tool detected
0Security-Policysecurity policy file not detected
0Signed-ReleasesProject has not signed or included provenance with any releases.
0Token-Permissionsdetected GitHub workflow tokens with excessive permissions
5Vulnerabilities5 existing vulnerabilities detected
Direct dependencies 3
RegistryPackageVersion constraintManifest
crates.iobitflags2.5Cargo.toml
crates.iopaste1.0Cargo.toml
crates.iotemporal_capi0.2.3Cargo.toml
All dependencies not collected

The resolved dependency set could not be collected for this report: GitHub dependency-graph SBOM unavailable (404); the dependency graph may be disabled for this repository

Raw JSON report machine-readable
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          "headline": "fix: keep isolate annex alive during teardown (#1978)",
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          "is_bot": false,
          "headline": "perf: use simdutf for string conversion hot paths (#1967)",
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          "body": "Currently, IsolateHandle is unsound - it mutates IsolateAnnex.isolate through an immutable reference with no UnsafeCell. A much cleaner solution is to store the data for IsolateHandle in its own allocation, since that also means an extant IsolateHandle won't prevent the other data in IsolateAnnex fr\n[…]\nng deallocated. I originally was going to store the pointer to IsolateHandleInner in its own isolate data slot, but realized it was also possible to just still store it in IsolateAnnex for simplicity.",
          "is_bot": false,
          "headline": "Store IsolateHandle data in its own allocation (#1891)",
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          "body": "Cache a NonNull<IsolateAnnex> pointer in HandleScope, EscapableHandleScope,\nand CallbackScope. This avoids an FFI call to v8__Isolate__GetData on every\nslot access (get_slot/set_slot/get_slot_mut/remove_slot) when called through\na scope.\n\nThe cached slot methods on PinnedRef<HandleScope> shadow the Isolate methods\nin the Deref chain, so existing user code benefits without any API changes.\nThe FFI cost is paid once at scope creation; nested scopes just copy the\npointer from the parent.",
          "is_bot": false,
          "headline": "perf: cache IsolateAnnex pointer in scope structs (#1968)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-04-23T08:57:39Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "653d251f6125e9eaf251ca1f9f310b5a7bba831c",
          "body": "Replace the CARGO_FEATURE_CRT_STATIC feature flag check with\nCARGO_CFG_TARGET_FEATURE to correctly detect crt-static when set\nvia rustflags rather than as a crate feature.",
          "is_bot": false,
          "headline": "Use CARGO_CFG_TARGET_FEATURE to detect CRT linkage on MSVC (#1915)",
          "author_name": "Jasper",
          "author_login": "jbg",
          "committed_at": "2026-04-22T12:28:35Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "96b91930cba7ac30ff3dc9c0b4185d498cd9abec",
          "body": null,
          "is_bot": false,
          "headline": "fix: enable linux shared-library-safe v8 tls mode by default (#1911)",
          "author_name": "Matt LeMay",
          "author_login": "mplemay",
          "committed_at": "2026-04-22T11:52:15Z",
          "body_truncated": false,
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        },
        {
          "oid": "826eee48242936cbfa95e650c22197e9fcc38c5a",
          "body": "Fixes: #1949",
          "is_bot": false,
          "headline": "Include `build/rust/known-target-triples.txt` in Cargo.toml (#1950)",
          "author_name": "Rong \"Mantle\" Bao",
          "author_login": "CSharperMantle",
          "committed_at": "2026-04-22T10:21:12Z",
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          "is_coding_agent": false
        },
        {
          "oid": "03cdaa8d2fe2e0535f3aed3b67ce102a4aeba2b5",
          "body": null,
          "is_bot": false,
          "headline": "v147.3.0 (#1966)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-04-19T10:38:17Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "83d95ea47229a39298831eead7b45b03c332e594",
          "body": "…phase (#1965)\n\nAdd Rust bindings for V8 APIs needed for dynamic `import.defer()`:\n\n- `Module::evaluate_for_import_defer()` - evaluates async transitive\n  dependencies eagerly so deferred namespace access can be synchronous.\n  Returns a Promise that resolves when dependencies are ready.\n\n- `Module::\n[…]\nmespace that triggers evaluation on first\n  property access.\n\nThese APIs were added to V8 in commit f2016e19b33a (v8/v8@f2016e19).\n\nCo-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "feat: add Module::EvaluateForImportDefer and GetModuleNamespace with …",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-04-19T10:35:39Z",
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        },
        {
          "oid": "57fbd813cf307f323a462720a89c1a1b5df4d255",
          "body": null,
          "is_bot": false,
          "headline": "v147.2.1 (#1964)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-04-18T07:46:13Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "c0f3aa18e52a6eadad44e0d3c4c326c0dcded99f",
          "body": "…962)\n\nThe C++ function declared `int length` (4 bytes) while the Rust FFI\nbinding declared `size_t` (8 bytes), creating a type mismatch at the\nFFI boundary. This aligns it with `v8__String__NewExternalTwoByte`\nwhich already correctly uses `size_t length`.\n\nCo-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "fix: correct v8__String__NewExternalOneByte length parameter type (#1…",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-04-17T17:37:24Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "13b6ac8cf35331859cc1697add06ba0d53b9a2e8",
          "body": null,
          "is_bot": false,
          "headline": "Rolling to V8 14.7.173.20 (#1963)",
          "author_name": "denobot",
          "author_login": "denobot",
          "committed_at": "2026-04-17T12:04:53Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "97b5f2e57d659e355fee927d82516a3a4461ebc3",
          "body": null,
          "is_bot": false,
          "headline": "v147.2.0 (#1961)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-04-17T06:49:47Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "86529e69b7de27558d811fbd2f3dc189c48ff23b",
          "body": null,
          "is_bot": false,
          "headline": "Rolling to V8 14.7.173.19 (#1951)",
          "author_name": "denobot",
          "author_login": "denobot",
          "committed_at": "2026-04-17T05:54:30Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "988bcdb841aa67df5e32b869c1dd18f1198433c2",
          "body": "Allow creating an EscapableHandleScope directly from an Isolate\nreference, matching V8's C++ API where v8::EscapableHandleScope\ncan be constructed from just an Isolate*.\n\nPreviously, EscapableHandleScope::new() required a parent\nPinnedRef<HandleScope>, which made it impossible to create one\nin conte\n[…]\nllbacks).\n\nNeeded by denoland/deno#33285 for implementing proper\nnapi_open_escapable_handle_scope with V8's escape slot mechanism.\n\nCo-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "feat: implement NewEscapableHandleScope for Isolate (#1960)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-04-17T05:08:06Z",
          "body_truncated": true,
          "is_coding_agent": true
        },
        {
          "oid": "1d5fc57bd7336f643cef4294ca2ed4c27e25d48c",
          "body": "Add two-byte (UTF-16) equivalents of the existing external one-byte\nstring APIs:\n\n- new_external_twobyte: creates a v8::String from a Box<[u16]>,\n  V8 takes ownership and frees via free_rust_external_twobyte on GC\n- new_external_twobyte_raw: creates a v8::String from a raw *mut u16\n  with a custom d\n[…]\nnd calls the Rust destructor.\n\nNeeded by denoland/deno#33283 for zero-copy UTF-16 external strings\nin the Node-API implementation.\n\nCo-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "feat: add new_external_twobyte and new_external_twobyte_raw (#1959)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-04-16T19:11:44Z",
          "body_truncated": true,
          "is_coding_agent": true
        },
        {
          "oid": "e2a7e2c68a340c9bf705de1eb6c08a0ce4faceed",
          "body": null,
          "is_bot": false,
          "headline": "v147.1.0 (#1956)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-04-10T08:38:43Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "fd959927bdfaaef3326baad0c867c67c869c6f0b",
          "body": "temporal_capi 0.1.2 depends on temporal_rs 0.1.2, which is incompatible\nwith icu_calendar >= 2.2. This causes compilation failures for users who\ndon't have icu_calendar pinned to 2.1.x.\n\nFixes #1952\nFixes #1954\n\nCo-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "Bump temporal_capi from 0.1.2 to 0.2.3 (#1955)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-04-09T19:14:54Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "bd2aeca462c988f2e648e950423efa36018b9919",
          "body": null,
          "is_bot": false,
          "headline": "Rolling to V8 14.7.173.13 (#1946)",
          "author_name": "denobot",
          "author_login": "denobot",
          "committed_at": "2026-03-30T11:09:16Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "65774548c03fb4fcced12b05be61f7c033758653",
          "body": null,
          "is_bot": false,
          "headline": "Fix memory leak in Function::get_script_origin (#1902)",
          "author_name": "Geoffry Song",
          "author_login": "goffrie",
          "committed_at": "2026-03-26T21:17:46Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "35c408a142c985006433998c96c71c3d8ea80011",
          "body": null,
          "is_bot": false,
          "headline": "Rolling to V8 14.7.173.9 (#1943)",
          "author_name": "denobot",
          "author_login": "denobot",
          "committed_at": "2026-03-26T21:13:03Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "3fe8f7d190c5633767427ba07a23d5a661740090",
          "body": null,
          "is_bot": false,
          "headline": "Expose `FunctionTemplate::SetAccessorProperty` (#1942)",
          "author_name": "des",
          "author_login": "des-sh",
          "committed_at": "2026-03-26T19:28:28Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "6293009c82d070c89bf12ff5a8273cc77f097bbd",
          "body": null,
          "is_bot": false,
          "headline": "v147.0.0 (#1941)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-24T17:41:34Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "ff206cc04df599a54ea134ceac30fd08969d6b11",
          "body": "Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "update to v8 v14.7 (#1940)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-24T12:22:38Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "089edc538a2d602fa90b2538129ac66d5a7bd787",
          "body": null,
          "is_bot": false,
          "headline": "Rolling to V8 14.6.202.26 (#1938)",
          "author_name": "denobot",
          "author_login": "denobot",
          "committed_at": "2026-03-21T11:47:25Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "81a3711cacee3272cdd3c37c1526dc1cf55cd7b7",
          "body": null,
          "is_bot": false,
          "headline": "v146.9.0 (#1937)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-19T17:25:43Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "5a54e3b737ae0c1f4d4438169f6fd5f3ca924935",
          "body": "Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>",
          "is_bot": false,
          "headline": "Rolling to V8 14.6.202.24 (#1923)",
          "author_name": "denobot",
          "author_login": "denobot",
          "committed_at": "2026-03-19T15:53:49Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "f208c8f5a318587d22dcaf129c31a63555a9d715",
          "body": "The simdutf bindings added in #1928 were missing Windows builds,\nso prebuilt libraries were not published for Windows users.\n\nThis adds simdutf CI builds for both x86_64-pc-windows-msvc (matrix)\nand aarch64-pc-windows-msvc (separate job).\n\nCo-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "fix: add simdutf builds for Windows targets in CI (#1936)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-17T17:42:42Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "ba58a4f26e48726a280be374f4b70768db954fa2",
          "body": null,
          "is_bot": false,
          "headline": "v146.8.0 (#1935)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-16T12:59:21Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "be7d65eb0461ea98e7bd85f4fb00cfa87b0bf117",
          "body": "Instead of forwarding tasks to DefaultPlatform's queue and notifying\nRust, CustomTaskRunner now transfers task ownership to Rust via the\nPlatformImpl trait. This allows embedders (e.g. deno_core) to schedule\ntasks on their own event loop (e.g. tokio::spawn) and call task.run()\ndirectly, rather than relying on PumpMessageLoop.\n\n---------\n\nCo-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "feat: transfer foreground task ownership to Rust in PlatformImpl (#1934)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-16T12:23:22Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "0876010fa1f70b4ed5710ba8237cdd71a0f71483",
          "body": "Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "feat: expose `total_allocated_bytes` in `HeapStatistics` (#1933)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-16T07:22:55Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "b653d354be5eb53bfa50195a7aa70e62aa630a6b",
          "body": null,
          "is_bot": false,
          "headline": "v146.7.0 (#1932)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-14T20:37:29Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "4168d22392133766434a4e1df066a2207dd37651",
          "body": "V8 bundles simdutf (SIMD-accelerated Unicode validation/transcoding),\nbut consumers like deno_core can't use a separate simdutf Rust crate\nalongside rusty_v8 due to C++ symbol clashes. This exposes the bundled\nsimdutf API through rusty_v8 behind a `simdutf` cargo feature flag.\n\nChanges:\n- Cargo.toml\n[…]\neprocessor\n- simdutf.rs: safe Rust API wrapping all exposed simdutf operations\n- lib.rs: register simdutf module behind cfg(feature)\n\n---------\n\nCo-authored-by: Claude Opus 4.6 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "feat: expose simdutf bindings behind cargo feature (#1928)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-14T20:37:16Z",
          "body_truncated": true,
          "is_coding_agent": true
        },
        {
          "oid": "2739918abd7907bce7563f5aa93c77c53483e5a1",
          "body": "The destructor used `-static_cast<int64_t>(-length_)` to report freed\nexternal memory. Since `length_` is `size_t` (unsigned), `-length_`\nwraps to a huge positive value, and the outer negation doesn't properly\nrestore the sign. This caused V8 to think memory was being *allocated*\non every string dea\n[…]\nles the external memory\ncounter accumulated until it exceeded V8's 32GB sanity check, triggering\na panic.\n\nRef denoland/deno#32693\n\nCo-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "fix: correct ExternalOneByteString destructor memory accounting (#1931)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-14T16:55:14Z",
          "body_truncated": true,
          "is_coding_agent": true
        },
        {
          "oid": "502dbdc4b59640cfb9153e0ac4d6f214986d0504",
          "body": null,
          "is_bot": false,
          "headline": "v146.6.0 (#1930)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-14T09:46:35Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "f84b1b2714dc3005dd0635aff881b8a8a32bb707",
          "body": "Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>\nCo-authored-by: Claude Opus 4.6 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "feat: custom Node domains support in Inspector (#1904)",
          "author_name": "Divy",
          "author_login": "littledivy",
          "committed_at": "2026-03-14T09:02:47Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "ee7047cc11afe5116bb0b7a9927aefab7948986f",
          "body": null,
          "is_bot": false,
          "headline": "v146.5.0 (#1929)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-13T10:44:50Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "5acd14461e5697b645b787acb274564091718f9a",
          "body": "… (#1927)\n\nAdd ValueView::as_str() for true zero-copy &str access to ASCII strings,\nValueView::to_cow_lossy() for zero-copy-when-possible string conversion,\nString::write_utf8_into() for allocation reuse, and a public latin1_to_utf8\nSIMD-friendly transcoder utility.\n\nCo-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "feat: zero-copy string access via ValueView and allocation-reuse APIs…",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-13T08:32:25Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "9eaafb5764a529226a6a24bee18a9d253fa2e254",
          "body": null,
          "is_bot": false,
          "headline": "v146.4.0 (#1926)",
          "author_name": "Felipe Cardozo",
          "author_login": "fraidev",
          "committed_at": "2026-03-09T19:13:52Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "778b15948d3ee7ec095c757cf5d7639026da8274",
          "body": "Add a trait-based API (following the V8InspectorClientImpl pattern) that lets embedders hook into platform virtual methods. A CustomPlatform C++ class subclasses DefaultPlatform and delegates on_foreground_task_posted and on_isolate_shutdown to a Rust PlatformImpl trait object.\n\nThis allows embedder\n[…]\nlike Deno to receive notifications when V8 background threads post foreground tasks, enabling event-driven wakeups instead of polling.\n\n---------\n\nCo-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>",
          "is_bot": false,
          "headline": "feat: add PlatformImpl trait for custom platform callbacks (#1924)",
          "author_name": "Felipe Cardozo",
          "author_login": "fraidev",
          "committed_at": "2026-03-09T18:37:23Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "f1f38ba425fad7e125bcbacff5488b58b14950be",
          "body": null,
          "is_bot": false,
          "headline": "v146.3.0 (#1922)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-04T12:51:15Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "94aca69d97dd4afdde2f9b5b52aef31b92507542",
          "body": "Expose `Isolate::get_heap_code_and_metadata_statistics()` which wraps\nV8's `GetHeapCodeAndMetadataStatistics`. Returns a `HeapCodeStatistics`\nstruct with code_and_metadata_size, bytecode_and_metadata_size,\nexternal_script_source_size, and cpu_profiler_metadata_size.\n\nThis is needed to implement Node.js `v8.getHeapCodeStatistics()` in Deno.\n\nCo-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>",
          "is_bot": false,
          "headline": "feat: add HeapCodeStatistics API (#1921)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-04T12:15:55Z",
          "body_truncated": false,
          "is_coding_agent": true
        },
        {
          "oid": "154d2f2986ba719bc941207f059d50289e971d20",
          "body": null,
          "is_bot": false,
          "headline": "v146.2.0 (#1920)",
          "author_name": "Bartek Iwańczuk",
          "author_login": "bartlomieju",
          "committed_at": "2026-03-04T08:54:15Z",
          "body_truncated": false,
          "is_coding_agent": false
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  "warnings": [
    "Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token",
    "Community profile unavailable",
    "crates package 'v8' points at a different repository (https://github.com/denoland/rusty_v8); excluded from ecosystem scoring",
    "GitHub dependency-graph SBOM unavailable (404); the dependency graph may be disabled for this repository"
  ],
  "report_type": "repository",
  "generated_at": "2026-07-29T08:05:58.753692Z",
  "schema_version": "0.27.0",
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  "full_name": "get-convex/rusty_v8",
  "license_state": "standard",
  "license_spdx": "MIT"
}

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Scores are signals, not warranties. They reflect publicly visible practices on GitHub — not a code audit, and not a security guarantee.

Missing data is excluded and weights renormalized, never scored as zero. Methodology is versioned and open: metrics v1.13.0, schema v0.27.0 — full methodology · metrics wiki.

How one result sits in the wider record: aggregate statistics — crates.io.