v.12.1.3

What's Changed

• Update install.markdown by @sylque in #1312
• Fix unfullfilled callbacks when gatt is null by @matt-42 in #1297
• feat(v12): Expose getCentralManager and getInstance methods by @CptFabulouso in #1318

New Contributors

• @sylque made their first contribution in #1312
• @matt-42 made their first contribution in #1297

Full Changelog: v.12.1.2...v.12.1.3