J
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Johannes Rudolph
Issue Description
We have identified an issue in meshStack v2026.5.0 affecting Building Blocks that use the Terraform or OpenTofu runner. The issue prevents inputs from being correctly passed to the runner, causing building block runs to fail.
Specific behaviors observed:
  • Single-select inputs:
    Values are incorrectly double-quoted.
  • Multi-select inputs:
    Values are failing to pass, resulting in an "Error: No value for required input".
The issue was introduced by another bugfix for correctly encoding code inputs.
Affected Components
  • meshStack software release v2026.5.0
  • Building Blocks using the Terraform or OpenTofu runner
  • Building Blocks with inputs of type
    single-select
    or
    multi-select
Workaround
The rollout of meshStack v2026.5.0 has been halted.
  • Customers with self-service deployment options:
    Do not upgrade to meshStack v2026.5.0. Please wait for the patch release.
  • Existing deployments:
    If you have already upgraded and are experiencing this issue, please contact support.
Status and Next Steps
We are actively investigating the root cause and a fix is in progress. We expect to publish a patch release resolving this issue later today, outside of scheduled maintenance windows.
We will also be revising our internal end-to-end test scenarios to correctly detect and prevent this type of encoding issue from happening again in the future.
Contact
Check in with our customer success team or support@meshcloud.io if you need any help.