feat: make YAML merge key limit configurable [1]#186
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raihata wants to merge 3 commits into
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This was referenced Jul 17, 2026
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Context
Some large pipeline configurations exceed js-yaml's default merge key limit. Disabling the limit entirely is unsafe, so the limit needs to be configurable.
Objective
Allow
parsePipelineYamlto acceptmaxTotalMergeKeysand pass it to js-yaml. Invalid values that could disable the limit are rejected.References
These three PRs are designed to be backward-compatible, so merging them in any order should not cause failures. However, merging them in the numbered order—[1] config-parser, [2] models, and [3] screwdriver—is recommended to ensure the configuration is propagated correctly.
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