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Merge pull request #91 from actix/master 

update migration guide
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Zhang Zhongyu 2020-09-15 13:23:36 +08:00 committed by GitHub
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MIGRATION.md
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@ -3,12 +3,23 @@
## 3.0.0 ## 3.0.0
* The return type for `ServiceRequest::app_data::<T>()` was changed from returning a `Data<T>` to
simply a `T`. To access a `Data<T>` use `ServiceRequest::app_data::<Data<T>>()`.
* Cookie handling has been offloaded to the `cookie` crate:
* `USERINFO_ENCODE_SET` is no longer exposed. Percent-encoding is still supported; check docs.
* Some types now require lifetime parameters.
* The time crate was updated to `v0.2`, a major breaking change to the time crate, which affects
any `actix-web` method previously expecting a time v0.1 input.
* Setting a cookie's SameSite property, explicitly, to `SameSite::None` will now * Setting a cookie's SameSite property, explicitly, to `SameSite::None` will now
result in `SameSite=None` being sent with the response Set-Cookie header. result in `SameSite=None` being sent with the response Set-Cookie header.
To create a cookie without a SameSite attribute, remove any calls setting same_site. To create a cookie without a SameSite attribute, remove any calls setting same_site.
* actix-http support for Actors messages was moved to actix-http crate and is enabled * actix-http support for Actors messages was moved to actix-http crate and is enabled
with feature `actors` with feature `actors`
* content_length function is removed from actix-http. * content_length function is removed from actix-http.
You can set Content-Length by normally setting the response body or calling no_chunking function. You can set Content-Length by normally setting the response body or calling no_chunking function.