• install colorama on Windows (#1139, #454)
• add telegram support for leave=False (#1189)
• support pandas==1.3.0 (#1199)
• fix keras potential AttributeError (#1184 <- #1183)
• fix py3.10 asyncio tests (#1176)
• flush stdout/err before first render (#1177)
• misc minor build & test framework updates (#1180)