v2.2.0

What's Changed

• feat: mark transferFrom/safeTransferFrom virtual by @qd-qd in #75
• feature: use custom errors by @qd-qd in #73
• Assert on failure by @fulldecent in #85
• Style underbar like other internal variables by @fulldecent in #84
• Fix style while fixing the style by @fulldecent in #88
• Ownership Index can never go below 0 by @fulldecent in #87
• Optimize approval check by @Vectorized in #89
• Added burn functionality by @Vectorized in #61

New Contributors

• @nathandsouza10 made their first contribution in #72
• @qd-qd made their first contribution in #75
• @0xh3x made their first contribution in #76
• @longda made their first contribution in #77
• @zaventh made their first contribution in #79
• @fulldecent made their first contribution in #85
• @gabceb made their first contribution in #82
• @Vectorized made their first contribution in #89
• @nataliemeurer made their first contribution in #94
• @themez made their first contribution in #95

Full Changelog: v2.1.0...v2.2.0

v2.1.0

What's Changed

• Add testGas command by @AndreiD in #44
• Assigning values to structs individually instead of a single assignment by @DaniPopes in #54
• Update ERC721AMock.sol by @AndreiD in #57
• Add _mint function by @cygaar in #60
• Add gas optimizations by @DaniPopes in #59
• Add scripts for explicitly testing gas usage by @cygaar in #70

New Contributors

• @chiru-labs made their first contribution in #41
• @ladygacha made their first contribution in #42
• @AndreiD made their first contribution in #44
• @BernardNakamoto made their first contribution in #43
• @ahbanavi made their first contribution in #49
• @RogerPodacter made their first contribution in #51
• @shakiXBT made their first contribution in #48
• @DaniPopes made their first contribution in #54
• @nftley made their first contribution in #58
• @carol-x made their first contribution in #64
• @tpae made their first contribution in #63
• @sunya-collective made their first contribution in #67
• @BenBktech made their first contribution in #65

Full Changelog: v2.0.0...v2.1.0

v2.0.0

What's Changed

#28 is backwards incompatible with previous versions, so please update to the latest contract if you haven't deployed your contract yet.

• Save some gas with an unchecked block on transfer by @davidlee1435 in #35
• Move _setOwnersExplicit to separate extension by @cygaar in #34
• add require quantity > 0 in _safeMint() by @willisk in #27
• Remove batchSize by @willisk in #28
• Version 2.0.0 by @cygaar in #39

New Contributors

• @vasinl124 made their first contribution in #22
• @alexfritzy made their first contribution in #24
• @ExistentialEnso made their first contribution in #26
• @MissMetaverseNFT made their first contribution in #30
• @davidlee1435 made their first contribution in #35
• @willisk made their first contribution in #27

Full Changelog: v1.0.0...v2.0.0

v1.0.0

Initial version of ERC721A