release beta (#222)

* release beta * changelog * update changelog
dfinity · Apr 23, 2021 · c597333 · c597333
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diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Changelog.md b/Changelog.md
@@ -1,6 +1,27 @@
 
 # Changelog
 
+## 2021-04-22 (Rust 0.7.0-beta.1)
+
+### Breaking changes
+
+* Update spec to introduce subtyping check in deserialization [#168](https://github.com/dfinity/candid/pull/168)
+* Deserialization requires both `Deserialize` and `CandidType` trait
+* `de::ArgumentDecoder`, `ser::ArgumentEncoder` moved to `utils::{ArgumentDecoder, ArgumentEncoder}`
+* `types::subtype` returns `Result<()>` instead of `bool` for better error message
+* Disable subtyping conversion for opt rules in `IDLValue.annotate_type`
+
+### Non-breaking changes
+
+* Better error messages in deserialization
+* Update test suite to conform with the new spec
+
+### Pending issues
+
+* Update opt rule for subtyping and coercion
+* Performance regression in decoding struct type
+* Integration test with production canisters
+
 ## 2021-04-07 (Rust 0.6.19 -- 0.6.21)
 
 * Fix a bug for serializing recursive values in Rust CDK [#210](https://github.com/dfinity/candid/pull/210)

diff --git a/rust/candid/Cargo.toml b/rust/candid/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "candid"
-version = "0.6.21"
+version = "0.7.0-beta.1"
 edition = "2018"
 authors = ["DFINITY Team"]
 description = "Candid is an interface description language (IDL) for interacting with canisters running on the Internet Computer."