diff --git a/benchmark/benchmarks/krausest/vite.config.mts b/benchmark/benchmarks/krausest/vite.config.mts
index ae34fe4b7..7a5bdb1c7 100644
--- a/benchmark/benchmarks/krausest/vite.config.mts
+++ b/benchmark/benchmarks/krausest/vite.config.mts
@@ -15,7 +15,10 @@ const packagePath = (name: string) => {
 };
 
 export default defineConfig({
-  plugins: [benchmark()],
+  plugins: [importMeta(), benchmark()],
+  preview: {
+    strictPort: true,
+  },
   resolve: {
     alias: {
       '@glimmer-workspace/benchmark-env': '@glimmer-workspace/benchmark-env/index.ts',
@@ -27,6 +30,19 @@ export default defineConfig({
   },
 });
 
+function importMeta(): Plugin {
+  return {
+    name: 'define custom import.meta.env',
+    async transform(code) {
+      if (code.includes('import.meta.env.VM_LOCAL_DEV')) {
+        return code.replace(/import.meta.env.VM_LOCAL_DEV/g, 'false');
+      }
+      return undefined;
+    },
+    enforce: 'pre',
+  };
+}
+
 function benchmark(): Plugin {
   return {
     enforce: 'pre',
@@ -34,15 +50,11 @@ function benchmark(): Plugin {
     resolveId(id) {
       if (id === '@glimmer/env') {
         return '\0@glimmer/env';
-      } else if (id === '@glimmer/local-debug-flags') {
-        return '\0@glimmer/local-debug-flags';
       }
     },
     load(id) {
       if (id === '\0@glimmer/env') {
         return `export const DEBUG = false;`;
-      } else if (id === '\0@glimmer/local-debug-flags') {
-        return `export const LOCAL_SHOULD_LOG = false;`;
       }
       /** @type {string | undefined} */
       let result: string | undefined;
diff --git a/bin/setup-bench.mjs b/bin/setup-bench.mjs
index 40d5378a3..fabab8c1b 100644
--- a/bin/setup-bench.mjs
+++ b/bin/setup-bench.mjs
@@ -1,6 +1,10 @@
 import 'zx/globals';
 import os from 'node:os';
 import { join } from 'node:path';
+import chalk from 'chalk';
+
+const ROOT = new URL('..', import.meta.url).pathname;
+$.verbose = true;
 
 /*
 
@@ -80,21 +84,6 @@ const isMacOs = os.platform() === 'darwin';
 
 const BENCHMARK_FOLDER = join(pwd, benchmarkFolder);
 
-const rawUpstreamUrl = await $`git ls-remote --get-url upstream`;
-const rawOriginUrl = await $`git ls-remote --get-url origin`;
-let originUrlStr = rawOriginUrl.toString().trim();
-let upstreamUrlStr = rawUpstreamUrl.toString().trim();
-
-if (upstreamUrlStr === 'upstream') {
-  // if we not inside fork, falling back to origin
-  upstreamUrlStr = originUrlStr;
-}
-
-if (FORK_NAME && FORK_NAME !== 'glimmerjs/glimmer-vm') {
-  // if PR from fork, we need to resolve fork's commit
-  originUrlStr = originUrlStr.replace('glimmerjs/glimmer-vm', FORK_NAME);
-}
-
 const CONTROL_PORT = 4020;
 const EXPERIMENT_PORT = 4021;
 const CONTROL_URL = `http://localhost:${CONTROL_PORT}`;
@@ -105,15 +94,15 @@ const EXPERIMENT_URL = `http://localhost:${EXPERIMENT_PORT}`;
 // setup experiment
 await within(async () => {
   await cd(EXPERIMENT_DIR);
-  await $`git clone ${originUrlStr} .`;
+  await $`git clone ${join(ROOT, '.git')} .`;
   await $`git checkout ${experimentBranchName}`;
   await $`rm -rf ./benchmark`;
   await $`cp -r ${BENCHMARK_FOLDER} ./benchmark`;
 
-  console.info('installing experiment source');
-  await $`pnpm install --no-frozen-lockfile`.quiet();
-  console.info('building experiment source, may take a while');
-  await $`pnpm build`.quiet();
+  console.info(`$ pnpm install --frozen-lockfile ${chalk.gray('[experiment]')}`);
+  await $`pnpm install --frozen-lockfile`.quiet();
+  console.info(`$ pnpm build ${chalk.gray('[experiment]')}`);
+  await spinner(() => $`pnpm build`.quiet());
 
   if (isMacOs) {
     await $`find ./packages -name 'package.json' -exec sed -i '' 's|"main": "index.ts",|"main": "./dist/prod/index.js","module": "./dist/prod/index.js",|g' {} \\;`;
@@ -132,15 +121,16 @@ await within(async () => {
 // setup control
 await within(async () => {
   await cd(CONTROL_DIR);
-  await $`git clone ${upstreamUrlStr} .`;
-  await $`git checkout ${controlBranchName}`;
+  await $`git clone ${join(ROOT, '.git')} .`;
+  await $`git fetch origin`;
+  await $`git reset --hard origin/${controlBranchName}`;
   await $`rm -rf ./benchmark`;
   await $`cp -r ${BENCHMARK_FOLDER} ./benchmark`;
 
-  console.info('installing control source');
-  await $`pnpm install --no-frozen-lockfile`.quiet();
-  console.info('building control source, may take a while');
-  await $`pnpm build`.quiet();
+  console.info(`$ pnpm install --frozen-lockfile ${chalk.gray('[control]')}`);
+  await $`pnpm install --frozen-lockfile`.quiet();
+  console.info(`$ pnpm build ${chalk.gray('[control]')}`);
+  await spinner(() => $`pnpm build`.quiet());
 
   if (isMacOs) {
     await $`find ./packages -name 'package.json' -exec sed -i '' 's|"main": "index.ts",|"main": "./dist/prod/index.js","module": "./dist/prod/index.js",|g' {} \\;`;
@@ -157,8 +147,8 @@ await within(async () => {
 });
 
 console.info({
-  upstreamUrlStr,
-  originUrlStr,
+  control: controlBranchName,
+  experiment: experimentBranchName,
   EXPERIMENT_DIR,
   CONTROL_DIR,
 });
diff --git a/package.json b/package.json
index a44f8cc4d..dd0403f28 100644
--- a/package.json
+++ b/package.json
@@ -106,7 +106,7 @@
     "typescript": "^5.0.4",
     "vite": "^5.0.12",
     "xo": "^0.54.2",
-    "zx": "^7.2.3"
+    "zx": "^8.1.9"
   },
   "changelog": {
     "repo": "glimmerjs/glimmer-vm",
diff --git a/packages/@glimmer-workspace/build/lib/config.js b/packages/@glimmer-workspace/build/lib/config.js
index 78e008bf0..d006ed64a 100644
--- a/packages/@glimmer-workspace/build/lib/config.js
+++ b/packages/@glimmer-workspace/build/lib/config.js
@@ -256,9 +256,8 @@ export class Package {
   }
 
   /**
-   * @typedef {object} Formats
-   * @property {boolean} [ esm ] enabled by default
-   * @property {boolean} [ cjs ] enabled by default until eslint-plugin-ember and ember-source no longer need it
+   * @typedef {{esm?: boolean, cjs?: boolean}} Formats
+   * @param {Formats} [formats] enabled by default
    *
    * @returns {import("rollup").RollupOptions[] | import("rollup").RollupOptions}
    */
@@ -371,7 +370,7 @@ export class Package {
         typescript(this.#package, {
           target: ScriptTarget.ES2021,
           module: ModuleKind.CommonJS,
-          moduleResolution: ModuleResolutionKind.NodeJs,
+          moduleResolution: ModuleResolutionKind.Node16,
         }),
       ],
     }));
diff --git a/packages/@glimmer-workspace/test-utils/lib/guard.ts b/packages/@glimmer-workspace/test-utils/lib/guard.ts
index 5f38aea5a..0ec5cd4d3 100644
--- a/packages/@glimmer-workspace/test-utils/lib/guard.ts
+++ b/packages/@glimmer-workspace/test-utils/lib/guard.ts
@@ -1,6 +1,7 @@
 import type { Expand, Maybe, Present } from '@glimmer/interfaces';
 import { isPresent } from '@glimmer/util';
 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 export type NTuple<N extends number, Type, T extends any[] = []> = T['length'] extends N
   ? T
   : NTuple<N, Type, [...T, Type]>;
diff --git a/packages/@glimmer-workspace/tsconfig.json b/packages/@glimmer-workspace/tsconfig.json
index 893afe5de..ecfbdabf9 100644
--- a/packages/@glimmer-workspace/tsconfig.json
+++ b/packages/@glimmer-workspace/tsconfig.json
@@ -2,16 +2,14 @@
   "compilerOptions": {
     "composite": true,
     "baseUrl": "..",
-
+    "allowJs": true,
     "target": "esnext",
     "module": "esnext",
     "moduleResolution": "bundler",
     "allowSyntheticDefaultImports": true,
     "experimentalDecorators": true,
     "verbatimModuleSyntax": true,
-
     "outDir": "../../ts-dist/@glimmer-workspace",
-
     "strict": true,
     "suppressImplicitAnyIndexErrors": false,
     "useDefineForClassFields": false,
diff --git a/packages/@glimmer/debug/lib/debug.ts b/packages/@glimmer/debug/lib/debug.ts
index 33fc53403..ad2ef20b2 100644
--- a/packages/@glimmer/debug/lib/debug.ts
+++ b/packages/@glimmer/debug/lib/debug.ts
@@ -96,7 +96,7 @@ export function debug(
     let metadata = opcodeMetadata(op.type, isMachine);
 
     if (!metadata) {
-      throw new Error(`Missing Opcode Metadata for ${op}`);
+      throw new Error(`Missing Opcode Metadata for ${op.type}`);
     }
 
     let out = Object.create(null);
diff --git a/packages/@glimmer/debug/lib/metadata.ts b/packages/@glimmer/debug/lib/metadata.ts
index 43399637e..c89ef2250 100644
--- a/packages/@glimmer/debug/lib/metadata.ts
+++ b/packages/@glimmer/debug/lib/metadata.ts
@@ -19,6 +19,7 @@ export const OPERAND_TYPES = [
 ];
 
 function isOperandType(s: string): s is OperandType {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   return OPERAND_TYPES.indexOf(s as any) !== -1;
 }
 
diff --git a/packages/@glimmer/debug/lib/stack-check.ts b/packages/@glimmer/debug/lib/stack-check.ts
index a0b81969a..19ef8a413 100644
--- a/packages/@glimmer/debug/lib/stack-check.ts
+++ b/packages/@glimmer/debug/lib/stack-check.ts
@@ -290,6 +290,7 @@ class SafeStringChecker implements Checker<SafeString> {
 
   validate(value: unknown): value is SafeString {
     return (
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       typeof value === 'object' && value !== null && typeof (value as any).toHTML === 'function'
     );
   }
diff --git a/packages/@glimmer/global-context/index.ts b/packages/@glimmer/global-context/index.ts
index 3c458dff1..01c67a833 100644
--- a/packages/@glimmer/global-context/index.ts
+++ b/packages/@glimmer/global-context/index.ts
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
 /**
  * This package contains global context functions for Glimmer. These functions
  * are set by the embedding environment and must be set before initial render.
diff --git a/packages/@glimmer/interfaces/lib/compile/wire-format/api.d.ts b/packages/@glimmer/interfaces/lib/compile/wire-format/api.d.ts
index eecb62a15..8857fc8ea 100644
--- a/packages/@glimmer/interfaces/lib/compile/wire-format/api.d.ts
+++ b/packages/@glimmer/interfaces/lib/compile/wire-format/api.d.ts
@@ -66,7 +66,7 @@ export type ExpressionSexpOpcodeMap = {
   [TSexpOpcode in TupleExpression[0]]: Extract<TupleExpression, { 0: TSexpOpcode }>;
 };
 
-export interface SexpOpcodeMap extends ExpressionSexpOpcodeMap, StatementSexpOpcodeMap { }
+export interface SexpOpcodeMap extends ExpressionSexpOpcodeMap, StatementSexpOpcodeMap {}
 export type SexpOpcode = keyof SexpOpcodeMap;
 
 export namespace Core {
@@ -372,7 +372,7 @@ export type SerializedTemplateBlock = [
   hasDebug: boolean,
   // upvars
   upvars: string[],
-  lexicalSymbols?: string[]
+  lexicalSymbols?: string[],
 ];
 
 /**
diff --git a/packages/@glimmer/interfaces/lib/runtime/arguments.d.ts b/packages/@glimmer/interfaces/lib/runtime/arguments.d.ts
index cb1b32d27..92a1c045a 100644
--- a/packages/@glimmer/interfaces/lib/runtime/arguments.d.ts
+++ b/packages/@glimmer/interfaces/lib/runtime/arguments.d.ts
@@ -67,6 +67,7 @@ export interface ArgumentsDebug {
 }
 
 export interface ArgumentError {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   error: any;
 }
 
diff --git a/packages/@glimmer/interfaces/lib/runtime/environment.d.ts b/packages/@glimmer/interfaces/lib/runtime/environment.d.ts
index 219e3924f..25750fb5f 100644
--- a/packages/@glimmer/interfaces/lib/runtime/environment.d.ts
+++ b/packages/@glimmer/interfaces/lib/runtime/environment.d.ts
@@ -45,5 +45,6 @@ export interface Environment {
 
   isInteractive: boolean;
   debugRenderTree?: DebugRenderTree | undefined;
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   isArgumentCaptureError?: ((error: any) => boolean) | undefined;
 }
diff --git a/packages/@glimmer/manager/lib/internal/defaults.ts b/packages/@glimmer/manager/lib/internal/defaults.ts
index 445a4950c..886578437 100644
--- a/packages/@glimmer/manager/lib/internal/defaults.ts
+++ b/packages/@glimmer/manager/lib/internal/defaults.ts
@@ -10,6 +10,7 @@ type FnArgs<Args extends Arguments = Arguments> =
   | [...Args['positional'], Args['named']]
   | [...Args['positional']];
 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 type AnyFunction = (...args: any[]) => unknown;
 
 interface State {
diff --git a/packages/@glimmer/manager/lib/public/component.ts b/packages/@glimmer/manager/lib/public/component.ts
index 45a8a6eb3..f99d2cd4c 100644
--- a/packages/@glimmer/manager/lib/public/component.ts
+++ b/packages/@glimmer/manager/lib/public/component.ts
@@ -126,6 +126,7 @@ export class CustomComponentManager<O extends Owner, ComponentInstance>
         throw new Error(
           `Custom component managers must have a \`capabilities\` property that is the result of calling the \`capabilities('3.13')\` (imported via \`import { capabilities } from '@ember/component';\`). Received: \`${JSON.stringify(
             delegate.capabilities
+            // eslint-disable-next-line @typescript-eslint/no-base-to-string
           )}\` for: \`${delegate}\``
         );
       }
@@ -150,6 +151,7 @@ export class CustomComponentManager<O extends Owner, ComponentInstance>
   }
 
   getDebugName(definition: ComponentDefinitionState): string {
+    // eslint-disable-next-line @typescript-eslint/no-base-to-string
     return typeof definition === 'function' ? definition.name : definition.toString();
   }
 
diff --git a/packages/@glimmer/manager/lib/public/helper.ts b/packages/@glimmer/manager/lib/public/helper.ts
index caed64299..7790fb7f6 100644
--- a/packages/@glimmer/manager/lib/public/helper.ts
+++ b/packages/@glimmer/manager/lib/public/helper.ts
@@ -82,6 +82,7 @@ export class CustomHelperManager<O extends Owner = Owner> implements InternalHel
         throw new Error(
           `Custom helper managers must have a \`capabilities\` property that is the result of calling the \`capabilities('3.23')\` (imported via \`import { capabilities } from '@ember/helper';\`). Received: \`${JSON.stringify(
             delegate.capabilities
+            // eslint-disable-next-line @typescript-eslint/no-base-to-string
           )}\` for: \`${delegate}\``
         );
       }
diff --git a/packages/@glimmer/manager/lib/public/modifier.ts b/packages/@glimmer/manager/lib/public/modifier.ts
index ad598d31c..54dd886fc 100644
--- a/packages/@glimmer/manager/lib/public/modifier.ts
+++ b/packages/@glimmer/manager/lib/public/modifier.ts
@@ -85,6 +85,7 @@ export class CustomModifierManager<O extends Owner, ModifierInstance>
         throw new Error(
           `Custom modifier managers must have a \`capabilities\` property that is the result of calling the \`capabilities('3.22')\` (imported via \`import { capabilities } from '@ember/modifier';\`). Received: \`${JSON.stringify(
             delegate.capabilities
+            // eslint-disable-next-line @typescript-eslint/no-base-to-string
           )}\` for: \`${delegate}\``
         );
       }
diff --git a/packages/@glimmer/manager/lib/util/args-proxy.ts b/packages/@glimmer/manager/lib/util/args-proxy.ts
index f660542fe..7730a12bf 100644
--- a/packages/@glimmer/manager/lib/util/args-proxy.ts
+++ b/packages/@glimmer/manager/lib/util/args-proxy.ts
@@ -112,6 +112,7 @@ class PositionalArgsProxy implements ProxyHandler<[]> {
       return valueForRef(positional[parsed]!);
     }
 
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     return (target as any)[prop];
   }
 
diff --git a/packages/@glimmer/manager/test/capabilities-test.ts b/packages/@glimmer/manager/test/capabilities-test.ts
index fbfa965bd..86aef75d3 100644
--- a/packages/@glimmer/manager/test/capabilities-test.ts
+++ b/packages/@glimmer/manager/test/capabilities-test.ts
@@ -1,3 +1,4 @@
+import type { InternalComponentManager } from '@glimmer/interfaces';
 import { capabilityFlagsFrom, managerHasCapability } from '@glimmer/manager';
 import { InternalComponentCapabilities } from '@glimmer/vm';
 
@@ -83,39 +84,87 @@ QUnit.test('allows querying bitmap for a capability', (assert) => {
   });
 
   assert.true(
-    managerHasCapability({} as any, capabilities, InternalComponentCapabilities.dynamicLayout)
+    managerHasCapability(
+      {} as InternalComponentManager,
+      capabilities,
+      InternalComponentCapabilities.dynamicLayout
+    )
   );
   assert.false(
-    managerHasCapability({} as any, capabilities, InternalComponentCapabilities.dynamicTag)
+    managerHasCapability(
+      {} as InternalComponentManager,
+      capabilities,
+      InternalComponentCapabilities.dynamicTag
+    )
   );
   assert.true(
-    managerHasCapability({} as any, capabilities, InternalComponentCapabilities.prepareArgs)
+    managerHasCapability(
+      {} as InternalComponentManager,
+      capabilities,
+      InternalComponentCapabilities.prepareArgs
+    )
   );
   assert.false(
-    managerHasCapability({} as any, capabilities, InternalComponentCapabilities.createArgs)
+    managerHasCapability(
+      {} as InternalComponentManager,
+      capabilities,
+      InternalComponentCapabilities.createArgs
+    )
   );
   assert.false(
-    managerHasCapability({} as any, capabilities, InternalComponentCapabilities.attributeHook)
+    managerHasCapability(
+      {} as InternalComponentManager,
+      capabilities,
+      InternalComponentCapabilities.attributeHook
+    )
   );
   assert.true(
-    managerHasCapability({} as any, capabilities, InternalComponentCapabilities.elementHook)
+    managerHasCapability(
+      {} as InternalComponentManager,
+      capabilities,
+      InternalComponentCapabilities.elementHook
+    )
   );
   assert.true(
-    managerHasCapability({} as any, capabilities, InternalComponentCapabilities.dynamicScope)
+    managerHasCapability(
+      {} as InternalComponentManager,
+      capabilities,
+      InternalComponentCapabilities.dynamicScope
+    )
   );
   assert.false(
-    managerHasCapability({} as any, capabilities, InternalComponentCapabilities.createCaller)
+    managerHasCapability(
+      {} as InternalComponentManager,
+      capabilities,
+      InternalComponentCapabilities.createCaller
+    )
   );
   assert.true(
-    managerHasCapability({} as any, capabilities, InternalComponentCapabilities.updateHook)
+    managerHasCapability(
+      {} as InternalComponentManager,
+      capabilities,
+      InternalComponentCapabilities.updateHook
+    )
   );
   assert.false(
-    managerHasCapability({} as any, capabilities, InternalComponentCapabilities.createInstance)
+    managerHasCapability(
+      {} as InternalComponentManager,
+      capabilities,
+      InternalComponentCapabilities.createInstance
+    )
   );
   assert.false(
-    managerHasCapability({} as any, capabilities, InternalComponentCapabilities.willDestroy)
+    managerHasCapability(
+      {} as InternalComponentManager,
+      capabilities,
+      InternalComponentCapabilities.willDestroy
+    )
   );
   assert.false(
-    managerHasCapability({} as any, capabilities, InternalComponentCapabilities.hasSubOwner)
+    managerHasCapability(
+      {} as InternalComponentManager,
+      capabilities,
+      InternalComponentCapabilities.hasSubOwner
+    )
   );
 });
diff --git a/packages/@glimmer/manager/test/managers-test.ts b/packages/@glimmer/manager/test/managers-test.ts
index 70e201892..1d7834975 100644
--- a/packages/@glimmer/manager/test/managers-test.ts
+++ b/packages/@glimmer/manager/test/managers-test.ts
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
 import type {
   ComponentManager,
   HelperManager,
diff --git a/packages/@glimmer/node/lib/serialize-builder.ts b/packages/@glimmer/node/lib/serialize-builder.ts
index baa8c1dac..15080c325 100644
--- a/packages/@glimmer/node/lib/serialize-builder.ts
+++ b/packages/@glimmer/node/lib/serialize-builder.ts
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-unsafe-enum-comparison */
 import type {
   Bounds,
   ElementBuilder,
@@ -88,6 +89,7 @@ class SerializeBuilder extends NewElementBuilder implements ElementBuilder {
     if (tagName === 'TITLE' || tagName === 'SCRIPT' || tagName === 'STYLE') {
       return super.__appendText(string);
     } else if (string === '') {
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       return this.__appendComment('% %') as any as SimpleText;
     } else if (current && current.nodeType === TEXT_NODE) {
       this.__appendComment('%|%');
diff --git a/packages/@glimmer/opcode-compiler/lib/opcode-builder/helpers/components.ts b/packages/@glimmer/opcode-compiler/lib/opcode-builder/helpers/components.ts
index 2273c88ea..0006e2d79 100644
--- a/packages/@glimmer/opcode-compiler/lib/opcode-builder/helpers/components.ts
+++ b/packages/@glimmer/opcode-compiler/lib/opcode-builder/helpers/components.ts
@@ -267,6 +267,7 @@ function InvokeStaticComponent(
   }
 
   if (hasCapability(capabilities, InternalComponentCapabilities.createInstance)) {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
     op(Op.CreateComponent, (blocks.has('default') as any) | 0, $s0);
   }
 
@@ -399,6 +400,7 @@ export function invokePreparedComponent(
   op(Op.BeginComponentTransaction, $s0);
   op(Op.PushDynamicScope);
 
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   op(Op.CreateComponent, (hasBlock as any) | 0, $s0);
 
   // this has to run after createComponent to allow
diff --git a/packages/@glimmer/opcode-compiler/lib/opcode-builder/helpers/resolution.ts b/packages/@glimmer/opcode-compiler/lib/opcode-builder/helpers/resolution.ts
index 1f4a62c30..a243222d4 100644
--- a/packages/@glimmer/opcode-compiler/lib/opcode-builder/helpers/resolution.ts
+++ b/packages/@glimmer/opcode-compiler/lib/opcode-builder/helpers/resolution.ts
@@ -87,7 +87,8 @@ export function resolveComponent(
     assert(!meta.isStrictMode, 'Strict mode errors should already be handled at compile time');
 
     throw new Error(
-      `Attempted to resolve a component in a strict mode template, but that value was not in scope: ${meta.upvars![expr[1]] ?? '{unknown variable}'
+      `Attempted to resolve a component in a strict mode template, but that value was not in scope: ${
+        meta.upvars![expr[1]] ?? '{unknown variable}'
       }`
     );
   }
@@ -393,7 +394,8 @@ function lookupBuiltInHelper(
     // Keyword helper did not exist, which means that we're attempting to use a
     // value of some kind that is not in scope
     throw new Error(
-      `Attempted to resolve a ${type} in a strict mode template, but that value was not in scope: ${meta.upvars![expr[1]] ?? '{unknown variable}'
+      `Attempted to resolve a ${type} in a strict mode template, but that value was not in scope: ${
+        meta.upvars![expr[1]] ?? '{unknown variable}'
       }`
     );
   }
diff --git a/packages/@glimmer/owner/index.ts b/packages/@glimmer/owner/index.ts
index ce786acf5..36ebd28e0 100644
--- a/packages/@glimmer/owner/index.ts
+++ b/packages/@glimmer/owner/index.ts
@@ -1,3 +1,4 @@
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 export const OWNER: unique symbol = Symbol('OWNER') as any;
 
 interface OwnedObject<O extends object> {
diff --git a/packages/@glimmer/syntax/lib/generation/util.ts b/packages/@glimmer/syntax/lib/generation/util.ts
index 5da9b18f0..ffaf637e9 100644
--- a/packages/@glimmer/syntax/lib/generation/util.ts
+++ b/packages/@glimmer/syntax/lib/generation/util.ts
@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-unsafe-enum-comparison */
 import type * as ASTv1 from '../v1/api';
 
 const enum Char {
diff --git a/packages/@glimmer/syntax/lib/traversal/traverse.ts b/packages/@glimmer/syntax/lib/traversal/traverse.ts
index 80a86afc8..40bd1ce9c 100644
--- a/packages/@glimmer/syntax/lib/traversal/traverse.ts
+++ b/packages/@glimmer/syntax/lib/traversal/traverse.ts
@@ -67,6 +67,7 @@ function getNodeHandler<N extends ASTv1.Node>(
   visitor: NodeVisitor,
   nodeType: N['type']
 ): NodeTraversal<ASTv1.Node> | undefined {
+  // eslint-disable-next-line deprecation/deprecation
   if (visitor.Program) {
     if (
       (nodeType === 'Template' && !visitor.Template) ||
@@ -76,6 +77,7 @@ function getNodeHandler<N extends ASTv1.Node>(
         `The 'Program' visitor node is deprecated. Use 'Template' or 'Block' instead (node was '${nodeType}') `
       );
 
+      // eslint-disable-next-line deprecation/deprecation
       return visitor.Program as NodeTraversal<ASTv1.Node>;
     }
   }
@@ -186,6 +188,7 @@ function visitKey<N extends ASTv1.Node>(
       // TODO: dynamically check the results by having a table of
       // expected node types in value space, not just type space
 
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
       assignKey(node, key, value, result as any);
     }
   }
diff --git a/packages/@glimmer/syntax/test/legacy-interop-test.ts b/packages/@glimmer/syntax/test/legacy-interop-test.ts
index 367f8a394..7aaa379f2 100644
--- a/packages/@glimmer/syntax/test/legacy-interop-test.ts
+++ b/packages/@glimmer/syntax/test/legacy-interop-test.ts
@@ -1,3 +1,4 @@
+/* eslint-disable deprecation/deprecation */
 import { builders as b } from '@glimmer/syntax';
 
 QUnit.module('[glimmer-syntax] AST nodes legacy interop');
diff --git a/packages/@glimmer/syntax/test/plugin-node-test.ts b/packages/@glimmer/syntax/test/plugin-node-test.ts
index e4cf8f7fc..a3028701d 100644
--- a/packages/@glimmer/syntax/test/plugin-node-test.ts
+++ b/packages/@glimmer/syntax/test/plugin-node-test.ts
@@ -48,6 +48,7 @@ test('deprecated program visitor', (assert) => {
     return {
       name: 'plugin',
       visitor: {
+        // eslint-disable-next-line deprecation/deprecation
         Program(node: AST.Program) {
           assert.step(node.type);
         },
@@ -69,6 +70,7 @@ test('deprecated program visitor', (assert) => {
 });
 
 test('can support the legacy AST transform API via ASTPlugin', (assert) => {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   function ensurePlugin(FunctionOrPlugin: any): ASTPluginBuilder {
     if (FunctionOrPlugin.prototype && FunctionOrPlugin.prototype.transform) {
       return (env: ASTPluginEnvironment) => {
diff --git a/packages/@glimmer/syntax/test/support.ts b/packages/@glimmer/syntax/test/support.ts
index 8dbe6d0c8..9571c9326 100644
--- a/packages/@glimmer/syntax/test/support.ts
+++ b/packages/@glimmer/syntax/test/support.ts
@@ -30,6 +30,7 @@ type FromEntries<T extends [PropertyKey, unknown][]> = {
 };
 
 function fromEntries<T extends [PropertyKey, unknown][]>(entries: T): FromEntries<T> {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   const out: any = {};
 
   for (const [key, value] of entries) {
@@ -40,7 +41,9 @@ function fromEntries<T extends [PropertyKey, unknown][]>(entries: T): FromEntrie
 }
 
 export function astEqual(
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   actual: any | null | undefined,
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   expected: any | null | undefined,
   message?: string,
   parseOptions?: PreprocessOptions
diff --git a/packages/@glimmer/util/lib/assert.ts b/packages/@glimmer/util/lib/assert.ts
index 783613865..755d6d78b 100644
--- a/packages/@glimmer/util/lib/assert.ts
+++ b/packages/@glimmer/util/lib/assert.ts
@@ -4,7 +4,7 @@ import { LOCAL_LOGGER } from '../index';
 
 // let alreadyWarned = false;
 
-export function debugAssert(test: any, msg: string): asserts test {
+export function debugAssert(test: unknown, msg: string): asserts test {
   // if (!alreadyWarned) {
   //   alreadyWarned = true;
   //   Logger.warn("Don't leave debug assertions on in public builds");
diff --git a/packages/@glimmer/util/lib/debug-to-string.ts b/packages/@glimmer/util/lib/debug-to-string.ts
index d0c5bbe4a..5c053321e 100644
--- a/packages/@glimmer/util/lib/debug-to-string.ts
+++ b/packages/@glimmer/util/lib/debug-to-string.ts
@@ -26,6 +26,7 @@ if (import.meta.env.DEV) {
       obj.toString !== Object.prototype.toString &&
       obj.toString !== Function.prototype.toString
     ) {
+      // eslint-disable-next-line @typescript-eslint/no-base-to-string
       name = obj.toString();
     }
 
@@ -47,6 +48,7 @@ if (import.meta.env.DEV) {
     return name || className;
   };
 
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   let getPrimitiveName = (value: any) => {
     return String(value);
   };
diff --git a/packages/@glimmer/util/lib/immediate.ts b/packages/@glimmer/util/lib/immediate.ts
index 692c4337a..b60a36ed2 100644
--- a/packages/@glimmer/util/lib/immediate.ts
+++ b/packages/@glimmer/util/lib/immediate.ts
@@ -61,7 +61,7 @@ export function isHandle(value: number) {
 }
 
 export function isNonPrimitiveHandle(value: number) {
-  return value > ImmediateConstants.ENCODED_UNDEFINED_HANDLE;
+  return (value as ImmediateConstants) > ImmediateConstants.ENCODED_UNDEFINED_HANDLE;
 }
 
 export function constants(...values: unknown[]): unknown[] {
@@ -70,14 +70,16 @@ export function constants(...values: unknown[]): unknown[] {
 
 export function isSmallInt(value: number) {
   return (
-    value % 1 === 0 && value <= ImmediateConstants.MAX_INT && value >= ImmediateConstants.MIN_INT
+    value % 1 === 0 &&
+    (value as ImmediateConstants) <= ImmediateConstants.MAX_INT &&
+    (value as ImmediateConstants) >= ImmediateConstants.MIN_INT
   );
 }
 
 export function encodeNegative(num: number) {
   if (LOCAL_DEBUG) {
     assert(
-      num % 1 === 0 && num >= ImmediateConstants.MIN_INT && num < 0,
+      num % 1 === 0 && (num as ImmediateConstants) >= ImmediateConstants.MIN_INT && num < 0,
       `Could not encode negative: ${num}`
     );
   }
@@ -88,7 +90,9 @@ export function encodeNegative(num: number) {
 export function decodeNegative(num: number) {
   if (LOCAL_DEBUG) {
     assert(
-      num % 1 === 0 && num < ~ImmediateConstants.MAX_INT && num >= ImmediateConstants.MIN_SMI,
+      num % 1 === 0 &&
+        num < ~ImmediateConstants.MAX_INT &&
+        (num as ImmediateConstants) >= ImmediateConstants.MIN_SMI,
       `Could not decode negative: ${num}`
     );
   }
@@ -99,7 +103,7 @@ export function decodeNegative(num: number) {
 export function encodePositive(num: number) {
   if (LOCAL_DEBUG) {
     assert(
-      num % 1 === 0 && num >= 0 && num <= ImmediateConstants.MAX_INT,
+      num % 1 === 0 && num >= 0 && (num as ImmediateConstants) <= ImmediateConstants.MAX_INT,
       `Could not encode positive: ${num}`
     );
   }
@@ -121,7 +125,7 @@ export function decodePositive(num: number) {
 export function encodeHandle(num: number) {
   if (LOCAL_DEBUG) {
     assert(
-      num % 1 === 0 && num >= 0 && num <= ImmediateConstants.MAX_SMI,
+      num % 1 === 0 && num >= 0 && (num as ImmediateConstants) <= ImmediateConstants.MAX_SMI,
       `Could not encode handle: ${num}`
     );
   }
@@ -132,7 +136,7 @@ export function encodeHandle(num: number) {
 export function decodeHandle(num: number) {
   if (LOCAL_DEBUG) {
     assert(
-      num % 1 === 0 && num <= ImmediateConstants.MAX_SMI && num >= 0,
+      num % 1 === 0 && (num as ImmediateConstants) <= ImmediateConstants.MAX_SMI && num >= 0,
       `Could not decode handle: ${num}`
     );
   }
@@ -147,7 +151,9 @@ export function encodeImmediate(num: number) {
 
 export function decodeImmediate(num: number) {
   num |= 0;
-  return num > ImmediateConstants.SIGN_BIT ? decodePositive(num) : decodeNegative(num);
+  return (num as ImmediateConstants) > ImmediateConstants.SIGN_BIT
+    ? decodePositive(num)
+    : decodeNegative(num);
 }
 
 // Warm
diff --git a/packages/@glimmer/util/lib/simple-cast.ts b/packages/@glimmer/util/lib/simple-cast.ts
index 4a35fbebf..884ef7de1 100644
--- a/packages/@glimmer/util/lib/simple-cast.ts
+++ b/packages/@glimmer/util/lib/simple-cast.ts
@@ -74,7 +74,7 @@ export function castToBrowser<S extends SugaryNodeCheck>(
     return null;
   }
 
-  if (typeof document === undefined) {
+  if (typeof document === 'undefined') {
     throw new Error('Attempted to cast to a browser node in a non-browser context');
   }
 
diff --git a/packages/@glimmer/util/test/immediate-test.ts b/packages/@glimmer/util/test/immediate-test.ts
index 43f6d6e8b..30fdbf7f2 100644
--- a/packages/@glimmer/util/test/immediate-test.ts
+++ b/packages/@glimmer/util/test/immediate-test.ts
@@ -10,7 +10,9 @@ module('immediate encoding tests', () => {
       let encoded = encodeImmediate(val);
 
       assert.strictEqual(val, decodeImmediate(encoded), 'correctly encoded and decoded');
-      const isSMI = encoded >= ImmediateConstants.MIN_SMI && encoded <= ImmediateConstants.MAX_SMI;
+      const isSMI =
+        (encoded as ImmediateConstants) >= ImmediateConstants.MIN_SMI &&
+        (encoded as ImmediateConstants) <= ImmediateConstants.MAX_SMI;
       assert.true(isSMI, 'encoded as an SMI');
       assert.step(`testing ${val}`);
     }
diff --git a/packages/@glimmer/validator/lib/debug.ts b/packages/@glimmer/validator/lib/debug.ts
index d68e108bb..9b86376f6 100644
--- a/packages/@glimmer/validator/lib/debug.ts
+++ b/packages/@glimmer/validator/lib/debug.ts
@@ -212,6 +212,7 @@ if (import.meta.env.DEV) {
         if (updateStackBegin !== -1) {
           let start = nthIndex(e.stack, '\n', 1, updateStackBegin);
           let end = nthIndex(e.stack, '\n', 4, updateStackBegin);
+          // eslint-disable-next-line deprecation/deprecation
           e.stack = e.stack.substr(0, start) + e.stack.substr(end);
         }
       }
diff --git a/packages/@glimmer/validator/lib/utils.ts b/packages/@glimmer/validator/lib/utils.ts
index d481f05d6..5b83f54a8 100644
--- a/packages/@glimmer/validator/lib/utils.ts
+++ b/packages/@glimmer/validator/lib/utils.ts
@@ -4,6 +4,7 @@ export type UnionToIntersection<U> = (U extends unknown ? (k: U) => void : never
   ? I
   : never;
 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
 export type AnyKey = keyof any;
 export type Indexable = Record<AnyKey, unknown>;
 
diff --git a/packages/@glimmer/validator/test/tracking-test.ts b/packages/@glimmer/validator/test/tracking-test.ts
index d238e8ae8..eb513ac3e 100644
--- a/packages/@glimmer/validator/test/tracking-test.ts
+++ b/packages/@glimmer/validator/test/tracking-test.ts
@@ -398,6 +398,7 @@ module('@glimmer/validator: tracking', () => {
     if (import.meta.env.DEV) {
       test('createCache throws an error in import.meta.env.DEV mode if users to use with a non-function', (assert) => {
         assert.throws(
+          // eslint-disable-next-line @typescript-eslint/no-explicit-any
           () => createCache(123 as any),
           /Error: createCache\(\) must be passed a function as its first parameter. Called with: 123/u
         );
@@ -405,6 +406,7 @@ module('@glimmer/validator: tracking', () => {
 
       test('getValue throws an error in import.meta.env.DEV mode if users to use with a non-cache', (assert) => {
         assert.throws(
+          // eslint-disable-next-line @typescript-eslint/no-explicit-any
           () => getValue(123 as any),
           /Error: getValue\(\) can only be used on an instance of a cache created with createCache\(\). Called with: 123/u
         );
@@ -423,6 +425,7 @@ module('@glimmer/validator: tracking', () => {
 
       test('isConst throws an error in import.meta.env.DEV mode if users attempt to use with a non-cache', (assert) => {
         assert.throws(
+          // eslint-disable-next-line @typescript-eslint/no-explicit-any
           () => isConst(123 as any),
           /Error: isConst\(\) can only be used on an instance of a cache created with createCache\(\). Called with: 123/u
         );
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 5601d4f67..55accf086 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -217,8 +217,8 @@ importers:
         specifier: ^0.54.2
         version: 0.54.2(eslint-import-resolver-typescript@3.6.1)(webpack@5.94.0)
       zx:
-        specifier: ^7.2.3
-        version: 7.2.3
+        specifier: ^8.1.9
+        version: 8.1.9
 
   benchmark/benchmarks/krausest:
     dependencies:
@@ -4420,10 +4420,6 @@ packages:
     resolution: {integrity: sha512-WGi6THl5HXdXq5RishLkAUPxk4XjYWbmLhEC14hpE92ER3AtZUUUu8SSIy1ntCtYamW8KaEpBlhJ6H6jubjDug==}
     dev: true
 
-  /@types/ps-tree@1.1.6:
-    resolution: {integrity: sha512-PtrlVaOaI44/3pl3cvnlK+GxOM3re2526TJvPvh7W+keHIXdV4TE0ylpPBAcvFQCbGitaTXwL9u+RF7qtVeazQ==}
-    dev: true
-
   /@types/qs@6.9.7:
     resolution: {integrity: sha512-FGa1F62FT09qcrueBA6qYTrJPVDzah9a+493+o2PCXsesWHIn27G98TsSMs3WPNbZIEj4+VJf6saSFpvD+3Zsw==}
     dev: true
@@ -4489,10 +4485,6 @@ packages:
     resolution: {integrity: sha512-d0XxK3YTObnWVp6rZuev3c49+j4Lo8g4L1ZRm9z5L0xpoZycUPshHgczK5gsUMaZOstjVYYi09p5gYvUtfChYw==}
     dev: true
 
-  /@types/which@3.0.3:
-    resolution: {integrity: sha512-2C1+XoY0huExTbs8MQv1DuS5FS86+SEjdM9F/+GS61gg5Hqbtj8ZiDSx8MfWcyei907fIPbfPGCOrNUTnVHY1g==}
-    dev: true
-
   /@types/yauzl@2.10.3:
     resolution: {integrity: sha512-oJoftv0LSuaDZE3Le4DbKX+KS9G36NzOeSap90UIK0yMA/NhKJhqlSGtNDORNRaIbQfzjXDrQa0ytJ6mNRGz/Q==}
     requiresBuild: true
@@ -10073,11 +10065,6 @@ packages:
   /functions-have-names@1.2.3:
     resolution: {integrity: sha512-xckBUXyTIqT97tq2x2AMb+g163b5JFysYk0x4qxNFwbfQkmNZoiRHb6sPzI9/QV33WeuvVYBUIiD4NzNIyqaRQ==}
 
-  /fx@31.0.0:
-    resolution: {integrity: sha512-OoeYSPKqNKmfnH4s+rGYI0c8OZmqqOOXsUtqy0YyHqQQoQSDiDs3m3M9uXKx5OQR+jDx7/FhYqpO3kl/As/xgg==}
-    hasBin: true
-    dev: true
-
   /gauge@4.0.4:
     resolution: {integrity: sha512-f9m+BEN5jkg6a0fZjleidjN51VE1X+mPFQ2DJ0uv1V39oCLCbsGe6yjbBnp7eK7z/+GAon99a3nHuqbuuthyPg==}
     engines: {node: ^12.13.0 || ^14.15.0 || >=16.0.0}
@@ -13271,15 +13258,6 @@ packages:
       whatwg-url: 5.0.0
     dev: true
 
-  /node-fetch@3.3.1:
-    resolution: {integrity: sha512-cRVc/kyto/7E5shrWca1Wsea4y6tL9iYJE5FBCius3JQfb/4P4I295PfhgbJQBLTx6lATE4z+wK0rPM4VS2uow==}
-    engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
-    dependencies:
-      data-uri-to-buffer: 4.0.1
-      fetch-blob: 3.2.0
-      formdata-polyfill: 4.0.10
-    dev: true
-
   /node-fetch@3.3.2:
     resolution: {integrity: sha512-dRB78srN/l6gqWulah9SrxeYnxeddIG30+GOqK/9OlLVyLg3HPnr6SqOWTWOXKRwC2eGYCkZ59NNuSgvSrpgOA==}
     engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
@@ -17242,7 +17220,7 @@ packages:
     hasBin: true
     dependencies:
       esbuild: 0.18.20
-      get-tsconfig: 4.7.2
+      get-tsconfig: 4.8.1
       source-map-support: 0.5.21
     optionalDependencies:
       fsevents: 2.3.3
@@ -18018,11 +17996,6 @@ packages:
       - uglify-js
     dev: true
 
-  /webpod@0.0.2:
-    resolution: {integrity: sha512-cSwwQIeg8v4i3p4ajHhwgR7N6VyxAf+KYSSsY6Pd3aETE+xEU4vbitz7qQkB0I321xnhDdgtxuiSfk5r/FVtjg==}
-    hasBin: true
-    dev: true
-
   /websocket-driver@0.7.4:
     resolution: {integrity: sha512-b17KeDIQVjvb0ssuSDF2cYXSg2iztliJ4B9WdsuB6J952qCPKmnVq4DyW5motImXHDC1cBT/1UezrJVsKw5zjg==}
     engines: {node: '>=0.8.0'}
@@ -18088,14 +18061,6 @@ packages:
     dependencies:
       isexe: 2.0.0
 
-  /which@3.0.1:
-    resolution: {integrity: sha512-XA1b62dzQzLfaEOSQFTCOd5KFf/1VSzZo7/7TUjnya6u0vGGKzU96UQBZTAThCb2j4/xjBAyii1OhRLJEivHvg==}
-    engines: {node: ^14.17.0 || ^16.13.0 || >=18.0.0}
-    hasBin: true
-    dependencies:
-      isexe: 2.0.0
-    dev: true
-
   /which@4.0.0:
     resolution: {integrity: sha512-GlaYyEb07DPxYCKhKzplCWBJtvxZcZMrL+4UkrTSJHHPyZU4mYYTv3qaOe77H7EODLSSopAUFAc6W8U4yqvscg==}
     engines: {node: ^16.13.0 || >=18.0.0}
@@ -18422,26 +18387,13 @@ packages:
   /zod@3.23.8:
     resolution: {integrity: sha512-XBx9AXhXktjUqnepgTiE5flcKIYWi/rme0Eaj+5Y0lftuGBq+jyRu/md4WnuxqgP1ubdpNCsYEYPxrzVHD8d6g==}
 
-  /zx@7.2.3:
-    resolution: {integrity: sha512-QODu38nLlYXg/B/Gw7ZKiZrvPkEsjPN3LQ5JFXM7h0JvwhEdPNNl+4Ao1y4+o3CLNiDUNcwzQYZ4/Ko7kKzCMA==}
-    engines: {node: '>= 16.0.0'}
+  /zx@8.1.9:
+    resolution: {integrity: sha512-UHuLHphHmsBYKkAchkSrEN4nzDyagafqC9HUxtc1J7eopaScW6H9dsLJ1lmkAntnLtDTGoM8fa+jrJrXiIfKFA==}
+    engines: {node: '>= 12.17.0'}
     hasBin: true
-    dependencies:
+    optionalDependencies:
       '@types/fs-extra': 11.0.4
-      '@types/minimist': 1.2.2
       '@types/node': 20.9.4
-      '@types/ps-tree': 1.1.6
-      '@types/which': 3.0.3
-      chalk: 5.3.0
-      fs-extra: 11.2.0
-      fx: 31.0.0
-      globby: 13.2.2
-      minimist: 1.2.8
-      node-fetch: 3.3.1
-      ps-tree: 1.2.0
-      webpod: 0.0.2
-      which: 3.0.1
-      yaml: 2.3.2
     dev: true
 
 settings: