Sourced fromfailsafe's changelog.

2.4.3

Bug Fixes

• Fixed#289 - Binary imcompatibility with code that was compiled against previous Failsafe versions.

2.4.2

Improvements

• AddedRetryPolicy.onRetryScheduled event handler.
• AddedExecutionEvent.getExecutionCount() andExecutionContext.getExecutionCount(), which distinguishes between attempts which may have been rejected and completed executions.
• AddedFailsafe.none to create a no-opFailsafeExecutor.
• Improved support for outer Timeouts with retries.
• Fixed#221 - Added support forFailsafeExecutor.with(Executor).
• Fixed#277 - ChangedTimeout to use Failsafe's internal scheduler, so that user providedExecutorService shutdowns do not interfere with timeouts.
• Fixed#266 - PropagateFuture cancellation to suppliedCompletionStage when usinggetStageAsync.

Bug Fixes

• Fixed#267 - Allow null fallback values to be passed through when using nested fallbacks.

2.4.1

Improvements

• Fixed#234 - An outerTimeout should cancel any inner retries.

API Changes

• DeprecatedTimeout.withCancel(boolean) andTimeout.canCancel(). Timeouts always cancel any executions and inner retries.
• AddedTimeout.withInterrupt(boolean) to take the place ofwithCancel.
• AddedExecutionEvent.getElapsedAttemptTime().

2.4.0

Improvements

• Added time based thresholding support toCircuitBreaker via:
  • withFailureThreshold(int failureThreshold, Duration failureThresholdingPeriod)
  • withFailureThreshold(int failureThreshold, int failureExecutionThreshold, Duration failureThresholdingPeriod)
  • withFailureRateThreshold(int failureRateThreshold, int failureExecutionThreshold, Duration failureThresholdingPeriod)
• Added getters toCircuitBreaker for existing count based thresholding settings:
  • getFailureThresholdingCapacity()
  • getSuccessThresholdingCapacity()
• And added getters toCircuitBreaker for new time based thresholding settings:
  • getFailureRateThreshold()
  • getFailureExecutionThreshold()
  • getFailureThresholdingPeriod()
• Added some new metrics toCircuitBreaker:

... (truncated)

• 550e974 [maven-release-plugin] prepare release failsafe-2.4.3
• 821122f Add Failsafe.with(Policy[]) for backwards binary compatibility
• b3a70bd Minor Javadoc fixes
• c285214 Fix flaky test where Timeout occurs before execution begins
• 245bfc4 [maven-release-plugin] prepare for next development iteration
• f927ef0 [maven-release-plugin] prepare release failsafe-2.4.2
• 9e9c07b Add better support for potentially blocked operations
• 65f4bb1 Add test cases involving potentially blocked operations
• bc78281 Reorganize FallbackExecutor supplyAsync and unify cancelFn
• 9444335 Rename fallback result param and ignore some warnings
• Additional commits viewable incompare view

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