Falena addressed a core stability issue in the dagster-io/dagster repository by implementing robust error handling for compute log decoding in Python. She modified the log management path to decode logs using errors='replace', ensuring that invalid UTF-8 sequences are safely replaced and logs remain accessible through both the UI and GraphQL endpoints. This backend development work involved comprehensive unit and integration testing to validate that normal UTF-8 data was unaffected while non-UTF-8 data no longer caused query failures. Her approach improved system resilience, reduced incident risk, and was clearly documented in the changelog for downstream teams’ awareness.