ergot/0.12.0

What's Changed

• Add microbit-null demo by @trappitsch in #139
• Add PDF of slides from Rust China Conf 2025 by @jamesmunns in #140
• Add missing resigeration in init_without_build by @HaoboGu in #142
• Add eurorust slides by @jamesmunns in #148
• Bump embassy dependencies by @felipebalbi in #147
• Bump embassy dependencies on demo apps by @felipebalbi in #149
• Logging changes to support using defmt or log. by @hydra in #150
• Discovery improvements by @hydra in #154
• internal logging macros by @tommasoclini in #155
• add alloc feature, for now it only enables postcard-schema's alloc by @tommasoclini in #158
• Improve documentation and debugging context for NetStackSendError::WrongPortKind. by @hydra in #157
• Add embassy net udp support by @hydra in #151
• Add 'serve_full', analogous to request_full. by @hydra in #159
• Add tokio udp support by @hydra in #152
• Prepare for v0.12 release by @jamesmunns in #160

New Contributors

• @HaoboGu made their first contribution in #142
• @felipebalbi made their first contribution in #147
• @hydra made their first contribution in #150

Full Changelog: ergot/0.11.0...ergot/0.12.0