Sandbox: https://codesandbox.io/s/cranky-kapitsa-op3jh

Repro: type "a" and then after a second "b"

Expected: Eventually you'll see "ab" in all fields. Pending "..." indicator goes away.

Actual: You'll keep seeing "a" in low pri field. Pending "..." indicator is stuck.
function updateTransition(
  config: SuspenseConfig | void | null,
): [(() => void) => void, boolean] {
  const [isPending, setPending] = updateState(false);
  const start = updateCallback(startTransition.bind(null, setPending, config), [
    setPending,
    config,
  ]);
  return [start, isPending];
}
function rerenderTransition(
  config: SuspenseConfig | void | null,
): [(() => void) => void, boolean] {
  const [isPending, setPending] = rerenderState(false);
  const start = updateCallback(startTransition.bind(null, setPending, config), [
    setPending,
    config,
  ]);
  return [start, isPending];
}
let isUpdatingOpaqueValueInRenderPhase = false;
export function getIsUpdatingOpaqueValueInRenderPhaseInDEV(): boolean | void {
  if (__DEV__) {
    return isUpdatingOpaqueValueInRenderPhase;
  }
}
function warnOnOpaqueIdentifierAccessInDEV(fiber) {
  if (__DEV__) {
    
    const name = getComponentName(fiber.type) || 'Unknown';