docs: memory decay v0.5 — platform feature page + API reference (#5056)

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-08 01:21:33 +05:30
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@@ -4,6 +4,13 @@ description: "Release notes for the Mem0 hosted platform — backend, dashboard,
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+<Update label="2026-05-04" description="">
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+**New Features:**
+- **Memory Decay:** Per-project search-time ranking bias that boosts recently-used memories and gently dampens stale ones. Opt-in via `decay` on the project endpoint; off by default. The scaling factor stays in `0.3×–1.5×`, the public `score` remains clamped to `[0, 1]`, and the bias never filters a candidate out. See [Memory Decay docs](/platform/features/memory-decay).
+
+</Update>
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 <Update label="2026-04-16" description="">

 **Improvements:**