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Performance analysis: query-pipeline hotspots — exponential compile on [0..1] navigation chains, quadratic mapping compile, union pure-to-SQL; CI perf-canary proposal

Status: Open.

#5140 In finos/legend-engine;

· rafaelbey opened on Aug 28, 2026

Semi-structured array operations flatten instead of reaching their array_* function

Status: Open.

#5114 In finos/legend-engine;

· rafaelbey opened on Aug 20, 2026

DataQuality: rowsWith* helpers fail plan generation on class mapped queries

bugSomething isn't workingSomething isn't working

Status: Open.

#5106 In finos/legend-engine;

· rafaelbey opened on Aug 19, 2026

Semi-structured: a [*] path mapped to a to-many property returns a stringified array instead of a collection

Status: Open.

#5099 In finos/legend-engine;

· rafaelbey opened on Aug 19, 2026

SDT array/variant tests compare driver toString output instead of the platform's JSON serialization

Status: Open.

Bug

#5047 In finos/legend-engine;

· rafaelbey opened on Aug 8, 2026