• Add sub-error to gas estimate error for Ganache users. (#829; 647fbd8)
• Moved ABI check for unique names to coding time and only if ambiguous. (#816; fa87417)
• Added missing Interface exports to umbrella utils. (82a9326)
• Fixed FallbackProvider ESM super-this out-of-order issue. (#822; fde102b)
• Fixed node hanging on unnecessary timeout when fetchJson fails. (fdf2253)