0.4.21

What's Changed

• Minor clippy nits by @nyurik in #578
• Simplify Display impl by @nyurik in #579
• Set all crates to 2021 edition by @nyurik in #580
• Various changes based on review by @Thomasdezeeuw in #583
• Fix typo in file_static() method doc by @dimo414 in #590
• Specialize empty key value pairs by @EFanZh in #576
• Fix incorrect lifetime in Value::to_str() by @peterjoel in #587
• Remove some API of the key-value feature by @Thomasdezeeuw in #585
• Add logcontrol-log and log-reload by @swsnr in #595
• Add Serialization section to kv::Value docs by @Thomasdezeeuw in #593
• Rename Value::to_str to to_cow_str by @Thomasdezeeuw in #592
• Clarify documentation and simplify initialization of STATIC_MAX_LEVEL by @ptosi in #594
• Update docs to 2021 edition, test by @nyurik in #577
• Add "alterable_logger" link to README.md by @brummer-simon in #589
• Normalize line ending by @EFanZh in #602
• Remove ok_or in favor of Option::ok_or by @AngelicosPhosphoros in #607
• Use Acquire ordering for initialization check by @AngelicosPhosphoros in #610
• Get structured logging API ready for stabilization by @KodrAus in #613
• Prepare for 0.4.21 release by @KodrAus in #617

New Contributors

• @nyurik made their first contribution in #578
• @dimo414 made their first contribution in #590
• @peterjoel made their first contribution in #587
• @ptosi made their first contribution in #594
• @brummer-simon made their first contribution in #589
• @AngelicosPhosphoros made their first contribution in #607

Full Changelog: 0.4.20...0.4.21