During August 2025, this developer enhanced the pleo-io/spa-tools repository by introducing granular iframe access control within its Terraform module. The work involved replacing a simple boolean flag with an enum-based configuration for the block_iframes setting, allowing values of 'all', 'none', or 'cross_origin' to better align with evolving security and compliance requirements. Using HCL and leveraging expertise in AWS and cloud infrastructure, the developer improved the module’s configurability and reduced the risk of misconfiguration across environments. This update supported policy compliance initiatives and enabled more secure, auditable iframe embedding without introducing new bugs or compromising code maintainability.