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merge_headers() joins multiple Cookie headers with ", " instead of "; ", breaking Django sessions over HTTP/2

Status: Open.

#1466 In zappa/Zappa;

· kimgunnn opened on Jul 20, 2026

Support multiple functions per AWS event ARN, merge SNS filter policies

Status: Open.

#1464 In zappa/Zappa;

· ellen-goc opened on Jul 12, 2026

Snapstart requires invoking an alias or version, not $LATEST

Status: Open.

#1463 In zappa/Zappa;

· dfuentes77 opened on Jul 8, 2026

Zappa support for Lambda Insights

Status: Open.

#1461 In zappa/Zappa;

· dfuentes77 opened on Jun 30, 2026

zappa update on a container-image function without --docker-image-uri builds a zip and fails late with a cryptic AWS error

Status: Open.

#1459 In zappa/Zappa;

· monkut opened on May 20, 2026

keep_warm: false does not delete existing EventBridge keep-warm rule on zappa update

Status: Open.

#1457 In zappa/Zappa;

· ellen-goc opened on May 14, 2026

Docs: surface the gotcha that environment_variables is not pushed by zappa update (vs aws_environment_variables)

Status: Open.

#1456 In zappa/Zappa;

· monkut opened on May 13, 2026

Support only packaging specified requirements rather than the whole venv

needs-reviewNeeds attention from a maintainerNeeds attention from a maintainer

Status: Open.

#1388 In zappa/Zappa;

· nickovs opened on Aug 20, 2025

Rollback doesn't work for project with Slim Handler

needs-reviewNeeds attention from a maintainerNeeds attention from a maintainer

Status: Open.

#1383 In zappa/Zappa;

· lidgen opened on May 27, 2025

·  

0.62.0

Only package project code into lambda, place all other dependencies in lambda layer

feature-requestRequest/idea regarding new and/or improved functionalityRequest/idea regarding new and/or improved functionality

needs-reviewNeeds attention from a maintainerNeeds attention from a maintainer

Status: Open.

#1366 In zappa/Zappa;

· suzikuo opened on Mar 13, 2025

Support for REQUEST Lambda Authorizers?

needs-reviewNeeds attention from a maintainerNeeds attention from a maintainer

Status: Open.

#1339 In zappa/Zappa;

· pcolmer opened on Jun 28, 2024

Extremely slow app update through zappa update --all

needs-reviewNeeds attention from a maintainerNeeds attention from a maintainer

Status: Open.

#1129 In zappa/Zappa;

· nyxdata opened on Apr 30, 2022