# Matrix Specification Changes since last release


## Client-Server API

**Breaking Changes**

- [ ] Providing access tokens via query string parameters is no longer supported. ([#2408](https://github.com/matrix-org/matrix-spec/issues/2408))


## Server-Server API

No significant changes.


## Application Service API

No significant changes.


## Identity Service API

**Breaking Changes**

- [ ] Providing access tokens via query string parameters is no longer supported. ([#2408](https://github.com/matrix-org/matrix-spec/issues/2408))


## Push Gateway API

No significant changes.


## Room Versions

No significant changes.


## Olm & Megolm

No significant changes.


## Appendices

No significant changes.


## Internal Changes/Tooling

No significant changes.