[Full Changelog](https://github.com/matrix-org/matrix-js-sdk/compare/v0.11.1...v0.12.0-rc.1) * never replace /sync'ed memberships with OOB ones [\#760](https://github.com/matrix-org/matrix-js-sdk/pull/760) * Don't fail to start up if lazy load check fails [\#759](https://github.com/matrix-org/matrix-js-sdk/pull/759) * Make e2e work on Edge [\#754](https://github.com/matrix-org/matrix-js-sdk/pull/754) * throw error with same name and message over idb worker boundary [\#758](https://github.com/matrix-org/matrix-js-sdk/pull/758) * Default to a room version of 1 when there is no room create event [\#755](https://github.com/matrix-org/matrix-js-sdk/pull/755) * Silence bluebird warnings [\#757](https://github.com/matrix-org/matrix-js-sdk/pull/757) * allow non-ff merge from release branch into master [\#750](https://github.com/matrix-org/matrix-js-sdk/pull/750) * Reject with the actual error on indexeddb error [\#751](https://github.com/matrix-org/matrix-js-sdk/pull/751) * Update mocha to v5 [\#744](https://github.com/matrix-org/matrix-js-sdk/pull/744) * disable lazy loading for guests as they cant create filters [\#748](https://github.com/matrix-org/matrix-js-sdk/pull/748) * Revert "Add getMediaLimits to client" [\#745](https://github.com/matrix-org/matrix-js-sdk/pull/745) Latest Changes: BREAKING CHANGES ---------------- * If js-sdk finds data in the store that is incompatible with the options currently being used, it will emit sync state ERROR with an error of type InvalidStoreError. It will also stop trying to sync in this situation: the app must stop the client and then either clear the store or change the options (in this case, enable or disable lazy loading of members) and then start the client again.