{"slug":"tplink-tl-wpa4220-v1-us","display_name":"TL-WPA4220","model_name":"TL-WPA4220","hardware_revision":"v1","region_code":"US","category":"other","vendor":{"slug":"tplink","name":"TP-Link"},"verdict":{"status":"quiet","label":"Gone quiet","confidence":"medium","reason":"3065 days since the last release against a median gap of 462 (6.6x)","algorithm_version":"lifecycle-1","computed_at":"2026-09-30T01:14:42.056058+00:00","thresholds":{"quiet_days":730,"active_max_days":365,"active_multiple":1.5,"slowing_multiple":3.0,"max_gap_dispersion":1.0,"high_confidence_releases":5,"min_releases_for_cadence":3,"never_updated_min_age_days":365}},"measurements":{"release_count":3,"first_release_date":"2015-10-30","last_release_date":"2018-05-10","days_since_last_release":3065,"median_gap_days":461.5,"cadence_multiple":6.641,"observed_support":{"days":923,"is_floor":true,"measured_from":"first_release"},"promise":{"end_date":null,"is_estimated":false,"is_floor":false,"honoured":null,"basis":"no_eol_announcement"},"cve_patch_latency_days":{"median":null,"measurable":false}},"releases":[{"version":"TL-WPA4220(US)_V1_180509_Beta","channel":"stable","claimed_release_date":"2018-05-10","claimed_date_precision":"day","is_vendor_dated":true,"first_observed_at":"2026-08-01T18:37:57.630436+00:00","observation_kind":"live_crawl","withdrawn_at":null,"changelog":"Modifications and Bug Fixes: 1. 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