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chore(release): v0.50.0 — cross-backend verified core + the allocator endgame begins#845

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chore(release): v0.50.0 — cross-backend verified core + the allocator endgame begins#845
avrabe wants to merge 1 commit into
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release/v0.50.0

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@avrabe avrabe commented Jul 22, 2026

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v0.50.0 release assembly. 7 lanes on main (#840/#841/#842/#843/#844 + #815/#821/#814/#839): the RV32 alloc-validator, RV32 memory parity, aarch64 CF, native i64 rem_u modeling, WCET ph5, frame-backing i64-param, and the headline VCR-DEC-001 graph-colouring allocator spike (flag-off, validated by VCR-RA-003).

Release mechanics: pin sweep 0.49.0→0.50.0 (workspace + path-deps + MODULE.bazel + npm), CHANGELOG [0.50.0] with all 7 lane entries + headline, regenerated status.json/FEATURE_MATRIX (Qed 591). 25/25 claims, frozen 10/10, fmt clean.

Deferred (honest): #819 VCR-RA-003 optimized-path joins (redo, task #57), L7 soundness sweep WIP (unverified, preserved on feat/50-soundness-sweep).

🤖 Generated with Claude Code

… endgame begins (7-lane hub)

Wave 1: VCR-RA-003 RV32 alloc-validator (#815/#821), VCR-RA-003 ARM optimized-path
joins deferred (#819→redo), VCR-WASM i64 batch Qed 585→591 (#814). Wave 2: RV32
memory.size/grow parity (#841), WCET ph5 data-dep masked-ceiling certs (#839),
aarch64 void-block CF (#842), soundness sweep (WIP deferred), native i64 rem_u/rem_s
modeling via ordeal-0.12 Urem/bvsrem (#844), #837 frame-backing i64-param, and the
headline VCR-DEC-001 graph-colouring allocator spike flag-off (#843) — validated by
VCR-RA-003, flag-off byte-identical. Plus ci auto-merge for dependabot (#838).
Pin sweep 0.49.0→0.50.0; status.json/FEATURE_MATRIX regenerated; 25/25 claims;
frozen 10/10.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YJK5LZZEkV5smCY1jKn18L
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