Back to milestones

3.40.0

Open

No due date

•Last updated Nov 4, 2026

76% complete

fix(metrics): respect POWERTOOLS_METRICS_DISABLED in every emission path
Unread
#8668 opened Oct 25, 2026 · Updated Oct 31, 2026
2
fix(idempotency): warn when a persistence layer is reused with a different config
Unread
#8664 opened Oct 25, 2026 · Updated Oct 31, 2026
2
fix(batch): report short-circuited FIFO records that don't match the model
Unread
#8663 opened Oct 25, 2026 · Updated Nov 4, 2026
4
fix(batch): report records that fail model conversion with non-validation errors
Unread
#8662 opened Oct 25, 2026 · Updated Nov 4, 2026
5
Bug: batch processor crashes with AttributeError when a model validator raises a non-ValueError
aws-powertools/powertools-lambda-python#8660 · opened on Oct 25, 2026 · 3.40.0
2
Bug: SqsFifoPartialProcessor fails the whole batch when a short-circuited record doesn't match the model
aws-powertools/powertools-lambda-python#8661 · opened on Oct 25, 2026 · 3.40.0
2
Bug: idempotent functions sharing a persistence layer silently use the first function's IdempotencyConfig
aws-powertools/powertools-lambda-python#8659 · opened on Oct 25, 2026 · 3.40.0
4
Bug: POWERTOOLS_METRICS_DISABLED is ignored by single_metric, the cold start metric, add_metric auto-flush and Datadog's lambda_metric
aws-powertools/powertools-lambda-python#8667 · opened on Oct 25, 2026 · 3.40.0
2
Bug: Cookie Expires labels a non-UTC aware datetime as GMT without converting it
aws-powertools/powertools-lambda-python#8671 · opened on Oct 26, 2026 · 3.40.0
2