Content Quality: News, 873 words by raw count and 873 with link URLs stripped (policy range 400-1200). Title is 146 characters (cap 150). Clear structure: lead, removed features, compatibility, recursion limit, stable/preview/experimental, an explicit section on the source disagreement, what comes next, what we don't know. Attribution to the Scala project is consistent. No internal links; no overlap with the only prior Scala release article (Scala 3.8.4, 2026-06/10, a security-audit maintenance release).
Source Verification: Read all three gzipped snapshots (source-0.html.gz, source-1.html.gz, source-2.html.gz), all HTTP 200 with full page body (not page chrome); suspicious_patterns null for all. source-0 (scala-lang.org/news/3.10/, Monday 12 October 2026, Wojciech Mazur, VirtusLab): confirms 'the first release of the new Scala Next series', 'stabilizes SIP-67, moves three SIPs into preview, and starts dropping legacy language features'; 'A with B ... with as a type operator has warned since Scala 3.4 and is an error in 3.10' (unconditional, not flag-gated; -source:3.4-migration -rewrite rewrites to A & B); 'If you publish a library and want the longest support window, Scala 3.9 LTS remains the recommended version to build against' (said by the Scala project's release post, not by a separately named 'maintainers' group; the title's 'Maintainers' is a fair shorthand for the project's own post but is a mild generalization); 'SIP-67: pattern matching under strictEquality no longer needs CanEqual - now stable. (But strict equality remains an opt-in feature.)' and 'SIP-67, experimental since Scala 3.8'; all three preview SIPs (61, 75, 68) behind -preview and the @unroll caveat that the compiler does not check version-boundary placement; SIP-72 dedented string literals and inline/specialized traits as experimental; top-level this, Rich*, -> inline extension, ArrowAssoc deprecation, inaccessible companion implicits (3.9 already warned under -deprecation), ZIO 2.1.26, MiMa 1.2.1, Scala CLI 1.17.1, .deb/.rpm, REPL //> using dep, Java records, \s escape, -Xmax-fuel default 550 with 'Recursion limit exceeded' and -Xss advice, cross-compilation with Scala 2 no longer supported and cross-compiled libraries expected to stay on 3.9 LTS 'indefinitely'; What's next: 3.10.1 branch cut, RC to follow, 3.10.2 a few weeks later, 3.11 'expected around March or April 2027', 3.9 LTS 'long-term publishing baseline'. All verified; the article attributes the timing to the post and states it could change. source-1 (GitHub release 3.10.0, released 12 Oct): 'Breaking changes' list includes 'Make with type operator an error #26545', 'Forbid this in top-level definitions #26448', 'Make -> sugar an inline method #24728', fuel, Rich*, constant folding, inaccessible companions, stock ASM; 'New stablized features: SIP 71: strictEqualityPatternMatching is now enabled by default default & add deprecation mechanics for -language feature flags #26424' (verbatim, including the source typos 'default default' and 'stablized'); preview SIPs 61/75/68; experimental 'Pre-SIP: Inline Traits & Specialized Traits #26156' and 'Pre-SIP: Modular AGentic Interface Code: Spec strings #26486' (appears only here, as the article states). Also confirmed through the GitHub API release body. source-2 (scala-lang.org/blog/scala2-maintenance.html, Wednesday 7 October 2026, Tomasz Godzik, VirtusLab): VirtusLab has assumed responsibility for Scala 2 maintenance, will maintain 2.12 and 2.13 'as long as necessary', links release-planning threads for 2.12.22 and 2.13.19; supports its one paragraph exactly. Live re-fetch of the release post on 2026-10-14: HTTP 200, 64,984 bytes, extracted text identical to the committed snapshot (unchanged).
Factual Accuracy: Every checked specific traces to a snapshot. SIP-67 vs SIP-71 discrepancy: the title's 'Stabilizes SIP-67' is what the main source (the official release post) says, in its Highlights and in a dedicated 'SIP-67: Strict equality pattern matching' section describing the same feature that the GitHub line labels 'SIP 71'. The title is therefore not a conflation by the writer; it follows the primary announcement. The two sources do disagree on the SIP number and on whether strict equality is 'enabled by default' (GitHub's one-line title) versus 'remains an opt-in feature' (blog). The article states both versions verbatim in a dedicated section ('Where the Two Sources Differ'), says it does not reconcile them, and attributes each to its source; the summary also flags the difference. This is accurate and adequately flagged. The 'default default' typo is reproduced only inside a verbatim quotation of the GitHub entry, not asserted as fact elsewhere. Vendor/project claims are attributed to the Scala project post; freshness is stated (plans as of 12 October 2026). Scala 2 maintenance paragraph is correctly dated 7 October and attributed.
Overall Assessment: Accurate, well-sourced, neutrally attributed News article within length limits. The SIP-67/SIP-71 disagreement between sources is handled transparently. Approved without corrections.