Release 4.4.7

SN34's earlier identity: Filed under SN34 from a source its on-chain identity named before. The identity has changed and no longer names this source, so the item is not listed as news of the subnet on SN34 now.

Release notes: 4.4.1 – 4.4.7 4.4.1 (30 Jan 2026) Validator weight normalization: Only assign non-zero weights to UIDs in the active set; explicitly zero out weights for inactive generative miners before scaling. 4.4.2 (31 Jan 2026) C2PA verification: Broader C2PA issuer handling so more certificate issuers are accepted as trusted. Allow all certificate issuers to be treated as CA issuers where appropriate. Remove redundant issuer logic and consolidate issuer handling. Increase C2PA options and clean up multiple issuer versions. 4.4.3 (3 Feb 2026) New upload endpoint for discriminative miner model uploads (neurons/discriminator/push_model.py). Validator: Decrease burn (burn rate reduced). 4.4.4 (4 Feb 2026) Generator prompt sampling: Keep remove=False so prompts are not removed when sampled; use threading.Lock for thread-safe prompt sampling. Content cache and uploads: New content DB and content manager support plus a new upload path used by the data service. Config: New options for content/upload behavior (see .env.validator.template). Docs: Updates to Discriminative-Mining, ONNX, and Validating. 4.4.5 (6 Feb 2026) Generator rewards: Use a 2-hour lookback window for recent verified miner media when computing generator base rewards (eligibility and score stability). Content cache: Content DB and content manager extended to support the new lookback and verification stats. 4.4.6 (6 Feb 2026) Stability AI service: Fix request headers for the Stability AI miner service so API calls succeed. Webhooks / logging: Remove unused has_c2pa key from logging; keep useful logging; reduce log noise. Metagraph / validator: Minor adjustments for consistency and clarity. 4.4.7 (8 Feb 2026) Verification stats: Add support for failed miner media in the lookback window. New get_recent_failed_miner_media() in content DB and content manager (default 2-hour lookback). New get_verification_stats_last_n_hours() to compute pass/fail counts and pass rate per miner over the last N hours (for gen

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