Release defmt v0.3.1 · knurling-rs/defmt

What's Changed

Fix error message in case of version-mismatch by @bobmcwhirter in #626
Added test instructions to the top-level README. by @jonathanpallant in #630
fix #628 by @spookyvision in #633
Update ELF parsing deps by @jonas-schievink in #634
mention #628 by @spookyvision in #635
fix CHANGELOG links by @spookyvision in #636
Use fully qualified defmt::unreachable!() in macros. Fixes #638. by @Dirbaio in #639
Release v0.3.1 by @jonathanpallant in #641
more RTT buffer size docs by @spookyvision in #643
Fix formating of Arg::Ixx based integer hex values by @justahero in #646
Fail parsing of missing display hint by @justahero in #647
probe-run json output by @Urhengulas in #651
book: Document probe-run json mode by @Urhengulas in #655
book: Run code blocks if possible and unify style by @Urhengulas in #657
decoder: Fix missing space in println frames by @Urhengulas in #658
use crate critical-section in defmt-rtt by @jannic in #640
defmt: implements Format for cells by @DBLouis in #656
Make export::acquire() and export::release() unsafe by @jannic in #659
Refactor rtt [2/2] by @Urhengulas in #622
snapshot-tests: Add tests for cell types by @Urhengulas in #661
Add attributes for Format derive to use Debug2Format on specific fields by @mattico in #662
make defmt::flush an no-operation when unstable-test feature is enabled by @japaric in #666
update CHANGELOG by @japaric in #663
bump crate versions by @japaric in #667
add crate metadata to defmt-json-schema by @japaric in #668

Full Changelog: defmt-v0.2.3...defmt-v0.3.1