Getting a build error with the RC

npm run build

> browser@1.0.0 build
> vite build

vite v7.1.7 building for production...
✓ 2363 modules transformed.
✗ Build failed in 1.04s
error during build:
node_modules/@tanstack/start-client-core/dist/esm/client/hydrateStart.js (4:9): "getRouter" is not exported by "src/router.tsx", imported by "node_modules/@tanstack/start-client-core/dist/esm/client/hydrateStart.js".
file: /Users/drusellers/dev/twosixio/browser/node_modules/@tanstack/start-client-core/dist/esm/client/hydrateStart.js:4:9

2: import { ServerFunctionSerializationAdapter } from "./ServerFunctionSerializationAdapter.js";
3: import * as startEntry from "#tanstack-start-entry";
4: import { getRouter } from "#tanstack-router-entry";
            ^
5: async function hydrateStart() {
6:   const router = await getRouter();

    at getRollupError (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/parseAst.js:401:41)
    at error (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/parseAst.js:397:42)
    at Module.error (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:16938:16)
    at Module.traceVariable (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:17390:29)
    at ModuleScope.findVariable (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:15060:39)
    at FunctionScope.findVariable (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:5642:38)
    at FunctionBodyScope.findVariable (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:5642:38)
    at Identifier.bind (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:5413:40)
    at CallExpression.bind (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:2804:23)
    at CallExpression.bind (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:12108:15)

npm run build

> browser@1.0.0 build
> vite build

vite v7.1.7 building for production...
✓ 2363 modules transformed.
✗ Build failed in 1.04s
error during build:
node_modules/@tanstack/start-client-core/dist/esm/client/hydrateStart.js (4:9): "getRouter" is not exported by "src/router.tsx", imported by "node_modules/@tanstack/start-client-core/dist/esm/client/hydrateStart.js".
file: /Users/drusellers/dev/twosixio/browser/node_modules/@tanstack/start-client-core/dist/esm/client/hydrateStart.js:4:9

2: import { ServerFunctionSerializationAdapter } from "./ServerFunctionSerializationAdapter.js";
3: import * as startEntry from "#tanstack-start-entry";
4: import { getRouter } from "#tanstack-router-entry";
            ^
5: async function hydrateStart() {
6:   const router = await getRouter();

    at getRollupError (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/parseAst.js:401:41)
    at error (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/parseAst.js:397:42)
    at Module.error (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:16938:16)
    at Module.traceVariable (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:17390:29)
    at ModuleScope.findVariable (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:15060:39)
    at FunctionScope.findVariable (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:5642:38)
    at FunctionBodyScope.findVariable (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:5642:38)
    at Identifier.bind (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:5413:40)
    at CallExpression.bind (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:2804:23)
    at CallExpression.bind (file:///Users/drusellers/dev/twosixio/browser/node_modules/rollup/dist/es/shared/node-entry.js:12108:15)