chore(main): release 4.20.0#319
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Added Early Access support for FDv2 data system with configuration options and connection mode control.
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🤖 I have created a release beep boop
4.20.0 (2026-06-29)
Features
This PR was generated with Release Please. See documentation.
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Medium Risk
Publishes a minor SDK release that documents an experimental FDv2 flag-data path and bumps the shared common client; opt-in only, but connection-mode behavior affects how flag data is fetched when enabled.
Overview
Cuts 4.20.0 of
launchdarkly_flutter_client_sdkvia Release Please: package version,sdkVersioninld_client.dart,.release-please-manifest.json, and example app dependencies move from 4.19.0 to 4.20.0.The new CHANGELOG entry for 4.20.0 describes what ships in this release: Early Access FDv2 (data-saving mode) by setting
dataSystem: DataSystemConfig()onLDConfig, with lifecycle-driven connection behavior and runtime control viasetConnectionMode/initialConnectionMode, while apps withoutdataSystemstay on FDv1. It also notes thelaunchdarkly_common_client1.14.0 dependency alignment reflected inpubspec.yaml.Reviewed by Cursor Bugbot for commit e14d43c. Bugbot is set up for automated code reviews on this repo. Configure here.