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Size is not a defect on its own — some problems genuinely live in one place — but these are where merge conflicts, review fatigue and single-owner knowledge concentrate, and they are the first thing that slows an inheriting engineer down.","context_why":"A note that does not affect this rating: measured against its own codebase's median, it is below the 85th percentile of 382 surveyed projects' largest files, where this check begins to count."}],"signals_run":11,"conclusive_signals":10,"what_a_person_adds":[{"id":"01.38","kind":"H+","where":"The team","measured":"No architecture or design document is in the tree, across 2,959 product files.","question":"Where does the design live, and who holds it?"},{"id":"01.35","kind":"H+","where":"The team and the submodule owners","measured":"The repository pulls code in through git submodules (.gitmodules).","question":"A buyer receives pointers, not that code. Can every submodule be fetched without the team's credentials, and who owns each one?"},{"id":"01.39","kind":"H","where":"Your architects, with the product roadmap","question":"Is the architecture right for the next three years of the product?"},{"id":"01.40","kind":"H","where":"The team's reasoning at the time","question":"Were the home-grown components reasonable choices when they were made, and are they now?"}]},{"id":"02","band":"adequate","name":"Engineering Process & SDLC Maturity","coverage":"high","findings":[{"id":"02.24","band":"adequate","layer":"deterministic","title":"7% of recent commits change more than 2,000 lines","signal":"commit_size","weight":"corroborating","evidence":[{"ref":"git log --numstat","kind":"metric","detail":"61 commits over 2,000 lines"}],"observed":{"share":0.07,"commits":866,"over_2000_lines":61},"dimension":"02","rationale":"61 of 866 commits in the last 24 months changed over 2,000 lines of code, not counting reformatting, renames, vendored or generated code. A change that size is rarely reviewed line by line. Ask how they were reviewed, and what made them that large."}],"signals_run":16,"conclusive_signals":15,"what_a_person_adds":[{"id":"02.32","kind":"H","where":"The code host's pull request data","question":"Is review real or a rubber stamp? 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The count says nothing about whether any given dependency was a good choice; it says how many such choices a buyer inherits."},{"id":"04.17","band":"adequate","layer":"deterministic","title":"Ruby 3.2 is past end of life","signal":"eol_runtime","weight":"corroborating","context":true,"evidence":[{"ref":".ruby-version","kind":"path","path":".ruby-version","detail":"Ruby 3.2, end of life 2026-03-31"}],"observed":{"pinned":["node 24","ruby 3.2"],"eol_as_of":"2026-09-24"},"dimension":"04","rationale":"The code is pinned to Ruby 3.2 (end of life 2026-03-31). None of these receives security fixes any more; the first stopped on 2026-03-31. Moving off an unsupported runtime is rarely a one-line change, so a buyer should ask whether the upgrade is planned and what it touches.","context_why":"A note that does not affect this rating: in Borehole's calibration, this check's notes were usually true but overstated."}],"signals_run":19,"conclusive_signals":15,"what_a_person_adds":[{"id":"04.32","kind":"H","where":"The data room and the team's record of estimates","question":"Can this team deliver the stated roadmap on the stated timeline?"},{"id":"04.31","kind":"H","where":"Budget and roadmap decisions","question":"Does leadership know about the debt, and is time budgeted to repay it?"},{"id":"04.33","kind":"H","where":"Revenue, customer and churn data","question":"Is the engineering shape consistent with the commercial story?"}]},{"id":"05","band":"adequate","name":"Security & Reliability Posture","coverage":"partial","findings":[{"id":"05.1","band":"adequate","layer":"deterministic","title":"2 credential-shaped strings committed to the tree","signal":"committed_secrets","weight":"corroborating","evidence":[{"kind":"metric","ref":"Google API key","detail":"2 cited: Google API key pattern matched"}],"observed":{},"dimension":"05","rationale":"Matches for Google API key appear in tracked files outside test and fixture paths. They stay in the history even after they leave the tree, so what matters is whether each was rotated. The code cannot tell whether any of them is live, and that decides whether this matters: none sits in production configuration, and none is in a format its provider keeps for live keys. Is any of these live? Show that each was rotated after it was committed, and when. Only Google API keys matched. Those are often public by design, in a browser app's Firebase or Maps configuration; the question is whether each is restricted to the app's domains and APIs.","locations_withheld":2},{"id":"05.25","band":"adequate","layer":"deterministic","title":"7 environment files are committed","signal":"secrets_management_pattern","weight":"corroborating","context":true,"evidence":[{"ref":"fastlane/.env.android.beta","kind":"path","path":"fastlane/.env.android.beta","detail":"committed environment file"},{"ref":"fastlane/.env.android.pr","kind":"path","path":"fastlane/.env.android.pr","detail":"committed environment file"},{"ref":"fastlane/.env.android.release","kind":"path","path":"fastlane/.env.android.release","detail":"committed environment file"}],"observed":{"env_files":7},"dimension":"05","rationale":"fastlane/.env.android.beta, fastlane/.env.android.pr, fastlane/.env.android.release and more are tracked in git. 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Tags have been moved to malicious commits in real supply-chain attacks, and a piped script is whatever the server returns that minute. Pinning to a commit is the fix, and it is small.","context_why":"A note that does not affect this rating: notes like it are common in well-run projects."},{"id":"05.26","band":"adequate","layer":"deterministic","title":"36 locked dependencies have published vulnerabilities, 53 high or critical in what ships","signal":"known_vulnerabilities","weight":"corroborating","evidence":[{"ref":"package-lock.json","kind":"path","path":"package-lock.json","detail":"shell-quote 1.8.3: GHSA-w7jw-789q-3m8p (critical), fixed in 1.8.4"},{"ref":"package-lock.json","kind":"path","path":"package-lock.json","detail":"@xmldom/xmldom 0.8.13: GHSA-27p8-2357-5qqv (high), fixed in 0.8.15"},{"ref":"package-lock.json","kind":"path","path":"package-lock.json","detail":"@xmldom/xmldom 0.9.10: GHSA-27p8-2357-5qqv (high), fixed in 0.9.12"}],"observed":{"advisories":107,"dependencies":1211,"high_or_critical":59,"pinned_to_a_commit":0,"ecosystems_not_read":["CocoaPods","Gradle"],"vulnerable_packages":36,"set_aside_not_imported":0,"high_or_critical_shipping":53},"unproven":true,"dimension":"05","rationale":"36 of 1,211 locked dependencies match 107 published advisories in OSV, 59 of them rated high or critical. A lockfile says which version is installed, not whether the flawed code is reachable from this product, so each needs a look. Most are fixed by an upgrade, and the advisory names the version. This lockfile pins development tools alongside what ships and does not say which is which, so some of these may never reach a user."},{"id":"05.51","band":"adequate","layer":"deterministic","title":"The app allows plain HTTP to any server","signal":"cleartext_traffic","weight":"corroborating","evidence":[{"ref":"android/app/src/main/AndroidManifest.xml","kind":"path","path":"android/app/src/main/AndroidManifest.xml","detail":"cleartext allowed app-wide","line_end":57,"line_start":57},{"ref":"android/app/src/main/res/xml/network_security_config.xml","kind":"path","path":"android/app/src/main/res/xml/network_security_config.xml","detail":"cleartext allowed app-wide","line_end":3,"line_start":3},{"ref":"ios/Mattermost/Info.plist","kind":"path","path":"ios/Mattermost/Info.plist","detail":"cleartext allowed app-wide","line_end":47,"line_start":47}],"observed":{"sites":4},"dimension":"05","rationale":"The app's manifest allows unencrypted HTTP app-wide (NSAllowsArbitraryLoads, or cleartext traffic permitted), rather than for named domains. 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Some apps need it by nature (a podcast or feed reader fetches whatever URL a feed gives), so ask which case this is."},{"id":"05.65","band":"adequate","layer":"deterministic","title":"9 advisories against this project in the last 24 months","signal":"advisory_record","weight":"corroborating","context":true,"evidence":[{"ref":"CVE-2026-22880","kind":"advisory","detail":"2026-05-21: CVE-2026-22880 (moderate): Mattermost Mobile Apps versions <=2.37 11.4 2.0.37 11.0.4 11.1.3 11.3.2 10.11.11.0 fail to properly validate the SSO authentication callback origin which allows"},{"ref":"CVE-2025-59480","kind":"advisory","detail":"2025-11-13: CVE-2025-59480 (moderate): Mattermost Mobile Apps versions <=2.32.0 fail to verify that SSO redirect tokens originate from the trusted server, which allows a malicious Mattermost instance"},{"ref":"CVE-2025-30516","kind":"advisory","detail":"2025-04-14: CVE-2025-30516 (low): Mattermost Mobile Apps versions <=2.25.0  fail to terminate sessions during logout under certain conditions (e.g. poor connectivity), allowing unauthorized user"},{"ref":"CVE-2025-1558","kind":"advisory","detail":"2025-03-24: CVE-2025-1558 (moderate): Mattermost Mobile Apps versions <=2.25.0 fail to properly validate GIF images prior to rendering which allows a malicious user to cause the Android application "},{"ref":"CVE-2025-0476","kind":"advisory","detail":"2025-01-16: CVE-2025-0476 (moderate): Mattermost Mobile Apps versions <=2.22.0 fail to properly handle specially crafted attachment names, which allows an attacker to crash the mobile app for any us"}],"observed":{"newest":"2026-05-21","critical":0,"affecting":0,"could_not_tell":9,"last_24_months":9,"sources_failed":[],"known_exploited":0,"high_or_critical":0},"dimension":"05","rationale":"The newest was published on 2026-05-21. A project that publishes advisories is telling its users about its fixes, and the count and pace say how much security work it carries. Whether 9 of them are fixed in the code you ship could not be told from this history: its version is only known to be at least 2.44.0. Answer lives in: the release you run, set against each fixed version.","context_why":"A note that does not affect this rating: it describes the project's advisory record, and no advisory in it is known to affect the surveyed commit."}],"signals_run":34,"conclusive_signals":27,"what_a_person_adds":[{"id":"05.38","kind":"H+","where":"The provider's console and audit log","measured":"05.1 and 05.5 found credential-shaped strings in this repository.","question":"Was each one revoked at the provider? 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