Offline precomputed feature flags for the React Native SDK - #1326

Merged

btthomas merged 67 commits into

blake.thomas/FFL-2666

Jul 23, 2026

Commits on Jul 16, 2026

docs: add plan for provider.setConfiguration offline init (FFL-2666)

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docs(plan): correct wire format to version 1 and add server branch

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docs(plan): make configurationFromString lenient, not throwing

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docs(plan): assume shipped PrecomputedFlag shape, note format discrepancy

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docs(plan): port reference helpers (wire + configMatchesContext) vs depend

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docs(plan): drop certainty-asserting section headings

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docs(plan): ground precomputed shape in a sample CDN response

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docs(plan): document native tracking path and setEvaluationContext fetch

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docs(plan): address review feedback

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docs(plan): add fetchPolicy to opt out of fetch on setEvaluationContext

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docs(plan): add 4-PR delivery plan and repurpose FFL-2691 to RUM FIT e2e

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docs(plan): avoid FlagsConfiguration name collision (H1)

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docs(plan): separate config-kind axis from fetchPolicy (H2, H3)

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docs(plan): add obfuscation guard to the decoder (H6)

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docs(plan): fetchPolicy options object + depend on shared rules evaluator (M6, M5)

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docs(plan): add review-driven acceptance criteria (implementation must-fixes)

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docs(plan): add per-step meta-plan for future context-free agents

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docs(plan): add per-PR branch naming convention

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Update provider_set_configuration.md

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docs(plan): add open question on persisting loaded config to disk

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docs(plan): reconcile variationType accepted set with integer/float

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docs(plan): replace fetchPolicy with an OfflineProvider plan

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feat(flags): add ConfigurationWire parse + precomputed decode (FFL-2686, FFL-2687)

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fix(flags): harden precomputed decode against __proto__ keys and array object values

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refactor(flags): tighten numeric validation, document serialId/metadata (review M/L)

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refactor(flags): pin ConfigurationWire version to literal 1 (PR1 review)

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refactor(flags): remove speculative server wire branch (PR1 review)

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refactor(flags): harden precomputed decode and log wire parse failures (PR1 review)

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fix(flags): accept any JSON value for object-typed flags (PR1 review)

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refactor(flags): reuse @datadog/flagging-core wire types and parser (PR1 review)

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refactor(flags): adopt flagging-core 2.0.0 and reuse configurationToString

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Commits on Jul 17, 2026

refactor(flags): decodePrecomputedFlags returns a Map (PR1 review)

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Commits on Jul 20, 2026

chore(flags): pin @datadog/flagging-core to exact 2.0.0 (PR1 review)

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Commits on Jul 22, 2026