I'm using react-relay 1.0.0
I've upgraded my react native code to RN 45, and it is throwing the following error:

in this line: require('./relayUnstableBatchedUpdates')
var mounted = _this3.mounted;
if (mounted) {
var updateProfiler = require('./RelayProfiler').profile('RelayContainer.update');
require('./relayUnstableBatchedUpdates')(function () {
_this3.setState(partialState, function () {
updateProfiler.stop();
if (isComplete) {
completeProfiler.stop();
}
});
if (callback) {
callback.call(
// eslint-disable-next-line react/no-string-refs
_this3.refs.component || null, (0, _extends3['default'])({}, readyState, { mounted: mounted }));
}
});
} else {
I am still using react-relay/classic, and I just upgraded react-native to v0.45.1 and I started getting the following error:
this._batchUpdate is not a function.
The same error occurs both on [email protected] and [email protected].

Seeing this too - have you found any work-arounds?
@joonhocho I'm also getting this error, did you resolve it?
@lprhodes @juhaelee Not yet. For now, I just downgraded my react-native.
I have fixes for this in a branch that I鈥檓 updating as I go through upgrading our app. I鈥檒l move extract these to a PR later today.
Please give #1889 a try (I鈥檓 not yet done with the conversion of our app)
@spicyj helped me debug this. So relayUnstableBatchedUpdates.native.js does the following:
const ReactNative = require('ReactNative');
module.exports = ReactNative.unstable_batchedUpdates;
However, ReactNative gets mapped to react-native which, according to the react-native/package.json, is actually (and confusingly) react-native-implementation.js.
Notice that react-native-implementation.js does not currently export unstable_batchedUpdates, which means that relayUnstableBatchedUpdates is likely coming up as undefined.
@sibelius or @alloy, can you try modifying react-native-implementation.js to export unstable_batchedUpdates and see if this resolves the bug? If so, either you can send a pull request or I can make the change to export it.
Separately, we really need to rename ReactNative.js to something else (e.g. ReactNativeRenderer.js) and rename react-native-implementation.js to ReactNative.js. But that's a separate issue.
and rename
react-native-implementation.jstoReactNative.js. But that's a separate issue.
To be fair, I suggested ReactNativeEverythingBagel.js.
@sibelius or @alloy, can either of you see if https://github.com/facebook/react-native/commit/5550a25628fe04899b737597fa06d9bb979b499d helps?
@yungsters https://github.com/facebook/react-native/commit/5550a25628fe04899b737597fa06d9bb979b499d worked for me so far. I'm in the middle of a big upgrade, so possible I'll run into something else, but so far so good!
facebook/react-native@5550a25 works great
@yungsters Been a while, our migration was on hold. I can confirm that that patch fixes the issue 馃憤
Perfect.
Most helpful comment
I am still using react-relay/classic, and I just upgraded react-native to v0.45.1 and I started getting the following error:
this._batchUpdate is not a function.
The same error occurs both on [email protected] and [email protected].