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Upgrading flutter_bloc 4 to 5

Breaking4.0.1 → 5.0.1Breaking3Changed7Other8

Full comparisonBack to flutter_bloc
BreakingUpgrade verdict

3 breaking changes.

In plain terms
  • If you use BlocBuilder with a condition to control rebuilds, rename that parameter to buildWhen.
  • If you use BlocListener with a condition to control when it reacts, rename that parameter to listenWhen.
  • This version requires bloc 5.0.0, which has its own breaking changes you may need to handle.
Must act 3 items need code or config changes

What you must change

Breaking3
Renames the condition parameter on BlocBuilder to buildWhen.
BlocBuilderconditionbuildWhen
5.0.0GitHub ReleaseSummarizedView source
Renames the condition parameter on BlocListener to listenWhen.
BlocListenerconditionlistenWhen
5.0.0GitHub ReleaseSummarizedView source
Upgrades to bloc v5.0.0, which is a breaking dependency change.
bloc
5.0.0GitHub ReleaseSummarizedView source