Most notable is bringing back global env variable substitution from #227

Will be targeting a proper release mid november if no bugs are raised against the pre-release.

What's Changed

• Add whitespace tests. by @cjyar in https://github.com/joho/godotenv/pull/210
• Bump actions/setup-go from 3 to 4 by @dependabot in https://github.com/joho/godotenv/pull/207
• Update cmd.go by @Adamsbite in https://github.com/joho/godotenv/pull/221
• Fix panic because of wrong function by @lotusirous in https://github.com/joho/godotenv/pull/223
• chore: fix typo by @ALX99 in https://github.com/joho/godotenv/pull/231
• Re-add global env variable substitution by @Envek in https://github.com/joho/godotenv/pull/227

New Contributors

• @cjyar made their first contribution in https://github.com/joho/godotenv/pull/210
• @Adamsbite made their first contribution in https://github.com/joho/godotenv/pull/221
• @lotusirous made their first contribution in https://github.com/joho/godotenv/pull/223
• @ALX99 made their first contribution in https://github.com/joho/godotenv/pull/231
• @Envek made their first contribution in https://github.com/joho/godotenv/pull/227

Full Changelog: https://github.com/joho/godotenv/compare/v1.5.1...v1.6.0-pre.1