a bunch more fixes to making things observable. fixed calling super.componentDidUpdate on subsclasses

1 files changed, 2 insertions, 1 deletions

diff --git a/src/client/views/animationtimeline/Region.tsx b/src/client/views/animationtimeline/Region.tsx
index abbc8203d..b09456cd7 100644
--- a/src/client/views/animationtimeline/Region.tsx
+++ b/src/client/views/animationtimeline/Region.tsx
@@ -1,4 +1,4 @@
-import { action, computed, observable, runInAction } from 'mobx';
+import { action, computed, makeObservable, observable, runInAction } from 'mobx';
 import { observer } from 'mobx-react';
 import * as React from 'react';
 import { Doc, DocListCast, Opt } from '../../../fields/Doc';
@@ -185,6 +185,7 @@ export class Region extends React.Component<IProps> {
 
     constructor(props: any) {
         super(props);
+        makeObservable(this);
     }
     componentDidMount() {
         setTimeout(() => {