Improvements and features

• 64-bit integer arithmetic and math/big ~10x performance improvement by @nevkontakte in #1082
• Support environments without process.argv by @tsavola in #1068
• Source maps: preserve position information for top-level variable declarations. by @nevkontakte in #1070
• Improve temporary file management in gopherjs test. by @nevkontakte in #1081

Bug fixes

• Fix two classes of "unreachable code" warnings in Firefox. by @nevkontakte in #1071
• sync/atomic: remove an unused type of code. by @nevkontakte in #1075
• Prevent event loop starvation by always scheduled goroutines. by @nevkontakte in #1079
• Fix two cases of incorrect stack unwinding after panic recovery. by @nevkontakte in #1084

New Contributors

• @tsavola made their first contribution in #1068
• @danielgtaylor made their first contribution in #1077

Full Changelog: 1.17.0+go1.17.1...1.17.1+go1.17.3