diff --git a/README.md b/README.md
index f1f9e52..60f4531 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ A community Python server SDK for [Zero](https://zero.rocicorp.dev/). It is not
 
 It ports what `@rocicorp/zero/server` gives a TypeScript backend: the query endpoint (`ZERO_QUERY_URL`), the mutate endpoint (`ZERO_MUTATE_URL`), the ZQL query builder, `defineQueries` and `defineMutators`, and `tx.mutate` and `tx.run` on Postgres. The client and `zero-cache` stay in TypeScript, and a Python backend serves the same TypeScript client a TypeScript backend would.
 
-Compatibility is pinned to one Zero release at a time. This version is tested against `@rocicorp/zero` **1.11.3** (see `ZERO_VERSION`).
+Compatibility is pinned to one Zero release at a time. This version is tested against `@rocicorp/zero` **1.11.4** (see `ZERO_VERSION`).
 
 ## Usage
 
diff --git a/ZERO_VERSION b/ZERO_VERSION
index 0a5af26..3d0e623 100644
--- a/ZERO_VERSION
+++ b/ZERO_VERSION
@@ -1 +1 @@
-1.11.3
+1.11.4
diff --git a/e2e/docker-compose.yml b/e2e/docker-compose.yml
index 2001e66..0eaac61 100644
--- a/e2e/docker-compose.yml
+++ b/e2e/docker-compose.yml
@@ -15,7 +15,7 @@ services:
       retries: 60
 
   zero-ts: &zero
-    image: rocicorp/zero:1.11.3
+    image: rocicorp/zero:1.11.4
     depends_on:
       postgres:
         condition: service_healthy
diff --git a/e2e/package-lock.json b/e2e/package-lock.json
index 2bd30fb..a366d29 100644
--- a/e2e/package-lock.json
+++ b/e2e/package-lock.json
@@ -6,7 +6,7 @@
     "": {
       "name": "zero-server-e2e",
       "dependencies": {
-        "@rocicorp/zero": "1.11.3",
+        "@rocicorp/zero": "1.11.4",
         "postgres": "3.4.9"
       }
     },
@@ -2204,9 +2204,9 @@
       }
     },
     "node_modules/@rocicorp/zero": {
-      "version": "1.11.3",
-      "resolved": "https://registry.npmjs.org/@rocicorp/zero/-/zero-1.11.3.tgz",
-      "integrity": "sha512-xP3yPX5q2zauLaZyPICoV7j/16PsyTixTyv85Kj/aFUT48JIyOHrAjsthHlpZhe46XbSlXHzDGSuqIjuwVJmHQ==",
+      "version": "1.11.4",
+      "resolved": "https://registry.npmjs.org/@rocicorp/zero/-/zero-1.11.4.tgz",
+      "integrity": "sha512-Epoj8MhHDYwzZtVPXCZRqCTYivh+B8BSAz/JzosWGhvwJj/LvnKoDXXT8OzwHwAbeo7hvyKSWyarKea7eAXGsQ==",
       "license": "Apache-2.0",
       "dependencies": {
         "@badrap/valita": "0.5.5",
diff --git a/e2e/package.json b/e2e/package.json
index 89d15b0..ae19f80 100644
--- a/e2e/package.json
+++ b/e2e/package.json
@@ -3,7 +3,7 @@
   "private": true,
   "type": "module",
   "dependencies": {
-    "@rocicorp/zero": "1.11.3",
+    "@rocicorp/zero": "1.11.4",
     "postgres": "3.4.9"
   },
   "overrides": {
diff --git a/harness/package-lock.json b/harness/package-lock.json
index 715d4bf..bb57a2e 100644
--- a/harness/package-lock.json
+++ b/harness/package-lock.json
@@ -6,7 +6,7 @@
     "": {
       "name": "zero-server-harness",
       "dependencies": {
-        "@rocicorp/zero": "1.11.3",
+        "@rocicorp/zero": "1.11.4",
         "postgres": "3.4.9"
       },
       "devDependencies": {
@@ -2283,9 +2283,9 @@
       }
     },
     "node_modules/@rocicorp/zero": {
-      "version": "1.11.3",
-      "resolved": "https://registry.npmjs.org/@rocicorp/zero/-/zero-1.11.3.tgz",
-      "integrity": "sha512-xP3yPX5q2zauLaZyPICoV7j/16PsyTixTyv85Kj/aFUT48JIyOHrAjsthHlpZhe46XbSlXHzDGSuqIjuwVJmHQ==",
+      "version": "1.11.4",
+      "resolved": "https://registry.npmjs.org/@rocicorp/zero/-/zero-1.11.4.tgz",
+      "integrity": "sha512-Epoj8MhHDYwzZtVPXCZRqCTYivh+B8BSAz/JzosWGhvwJj/LvnKoDXXT8OzwHwAbeo7hvyKSWyarKea7eAXGsQ==",
       "license": "Apache-2.0",
       "dependencies": {
         "@badrap/valita": "0.5.5",
diff --git a/harness/package.json b/harness/package.json
index ba8ed45..82df5d4 100644
--- a/harness/package.json
+++ b/harness/package.json
@@ -3,7 +3,7 @@
   "private": true,
   "type": "module",
   "dependencies": {
-    "@rocicorp/zero": "1.11.3",
+    "@rocicorp/zero": "1.11.4",
     "postgres": "3.4.9"
   },
   "overrides": {
diff --git a/src/zero_server/mutators.py b/src/zero_server/mutators.py
index d278777..366d07a 100644
--- a/src/zero_server/mutators.py
+++ b/src/zero_server/mutators.py
@@ -1,7 +1,7 @@
 """`define_mutator` and `define_mutators`: named server mutators the mutate endpoint dispatches to.
 
-Ported from rocicorp/mono `packages/zql/src/mutate/mutator.ts` and `mutator-registry.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/zql/src/mutate/mutator.ts` and `mutator-registry.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 
 A mutator here is the server half of the TypeScript mutator of the same name: the client runs its own
 optimistically, and this one runs authoritatively inside the mutation's transaction.
diff --git a/src/zero_server/protocol/application_error.py b/src/zero_server/protocol/application_error.py
index e56fbb1..a6f233c 100644
--- a/src/zero_server/protocol/application_error.py
+++ b/src/zero_server/protocol/application_error.py
@@ -1,7 +1,7 @@
 """The error application code raises to send a message and JSON details back to the client.
 
-Ported from rocicorp/mono `packages/zero-protocol/src/application-error.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/zero-protocol/src/application-error.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 from typing import Literal
diff --git a/src/zero_server/protocol/ast.py b/src/zero_server/protocol/ast.py
index f8a181e..52a8281 100644
--- a/src/zero_server/protocol/ast.py
+++ b/src/zero_server/protocol/ast.py
@@ -1,7 +1,7 @@
 """The ZQL AST: what a query endpoint returns for each query zero-cache asks it to transform.
 
 Ported from rocicorp/mono `packages/zero-protocol/src/ast.ts`, `data.ts` and `primary-key.ts` at
-zero/v1.11.3 (e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+zero/v1.11.4 (be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 
 The AST carries server names: `map_ast` maps a client-named AST through the schema's name mapper before
 it goes on the wire, as `handleQueryRequest` does upstream.
diff --git a/src/zero_server/protocol/ast_wire.py b/src/zero_server/protocol/ast_wire.py
index 2621074..d5152cf 100644
--- a/src/zero_server/protocol/ast_wire.py
+++ b/src/zero_server/protocol/ast_wire.py
@@ -1,7 +1,7 @@
 """The AST's wire schema: what `AST.from_json` accepts, mirroring upstream's `astSchema`.
 
 Ported from rocicorp/mono `packages/zero-protocol/src/ast.ts`, `data.ts` and `primary-key.ts` at
-zero/v1.11.3 (e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+zero/v1.11.4 (be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 
 These models are only ever parsed. Each turns into the plain node class of `zero_server.protocol.ast`
 it mirrors, which the builder, the query endpoint and z2s work with.
diff --git a/src/zero_server/protocol/custom_queries.py b/src/zero_server/protocol/custom_queries.py
index 6c52184..e3582ab 100644
--- a/src/zero_server/protocol/custom_queries.py
+++ b/src/zero_server/protocol/custom_queries.py
@@ -1,7 +1,7 @@
 """What zero-cache POSTs to a query endpoint, and what each query becomes.
 
-Ported from rocicorp/mono `packages/zero-protocol/src/custom-queries.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/zero-protocol/src/custom-queries.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 from dataclasses import dataclass
diff --git a/src/zero_server/protocol/error.py b/src/zero_server/protocol/error.py
index 6e25e45..9bb86d4 100644
--- a/src/zero_server/protocol/error.py
+++ b/src/zero_server/protocol/error.py
@@ -1,8 +1,8 @@
 """Error kinds, origins and reasons, and the bodies of a failed push or transform.
 
 Ported from rocicorp/mono `packages/zero-protocol/src/error.ts`, `error-kind-enum.ts`,
-`error-origin-enum.ts` and `error-reason-enum.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+`error-origin-enum.ts` and `error-reason-enum.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 from enum import StrEnum
diff --git a/src/zero_server/protocol/mutate_server.py b/src/zero_server/protocol/mutate_server.py
index fbb5936..bb8ef4a 100644
--- a/src/zero_server/protocol/mutate_server.py
+++ b/src/zero_server/protocol/mutate_server.py
@@ -1,7 +1,7 @@
 """The mutate endpoint's response and query string.
 
-Ported from rocicorp/mono `packages/zero-protocol/src/mutate-server.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/zero-protocol/src/mutate-server.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 from collections.abc import Mapping
diff --git a/src/zero_server/protocol/mutation.py b/src/zero_server/protocol/mutation.py
index bd03e8b..1e42293 100644
--- a/src/zero_server/protocol/mutation.py
+++ b/src/zero_server/protocol/mutation.py
@@ -1,7 +1,7 @@
 """Mutations as a push carries them, and the result recorded for each.
 
 Ported from rocicorp/mono `packages/zero-protocol/src/mutation.ts` and `mutation-type-enum.ts` at
-zero/v1.11.3 (e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+zero/v1.11.4 (be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 from typing import Annotated, Any, Literal
diff --git a/src/zero_server/protocol/mutation_id.py b/src/zero_server/protocol/mutation_id.py
index 6128699..ad861c1 100644
--- a/src/zero_server/protocol/mutation_id.py
+++ b/src/zero_server/protocol/mutation_id.py
@@ -1,5 +1,5 @@
-"""Ported from rocicorp/mono `packages/zero-protocol/src/mutation-id.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+"""Ported from rocicorp/mono `packages/zero-protocol/src/mutation-id.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 from pydantic import Field, StrictStr
diff --git a/src/zero_server/protocol/push.py b/src/zero_server/protocol/push.py
index 5cb7b73..53b9960 100644
--- a/src/zero_server/protocol/push.py
+++ b/src/zero_server/protocol/push.py
@@ -1,7 +1,7 @@
 """What zero-cache POSTs to a mutate endpoint.
 
-Ported from rocicorp/mono `packages/zero-protocol/src/push.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/zero-protocol/src/push.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 from pydantic import Field, StrictStr
diff --git a/src/zero_server/protocol/query_server.py b/src/zero_server/protocol/query_server.py
index 3ecd550..c55b457 100644
--- a/src/zero_server/protocol/query_server.py
+++ b/src/zero_server/protocol/query_server.py
@@ -1,7 +1,7 @@
 """The query endpoint's response.
 
-Ported from rocicorp/mono `packages/zero-protocol/src/query-server.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/zero-protocol/src/query-server.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 from typing import Any, Final, Literal
diff --git a/src/zero_server/protocol/schemas.py b/src/zero_server/protocol/schemas.py
index 8b6d903..fd6d51b 100644
--- a/src/zero_server/protocol/schemas.py
+++ b/src/zero_server/protocol/schemas.py
@@ -3,8 +3,8 @@
 Ported from rocicorp/mono `packages/shared/src/json-schema.ts`, `packages/zero-protocol/src/data.ts`,
 `packages/zero-protocol/src/primary-key.ts`, `packages/zero-protocol/src/mutation.ts`,
 `packages/zero-protocol/src/push.ts`,
-`packages/zero-protocol/src/mutate-server.ts` and `packages/zero-protocol/src/custom-queries.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+`packages/zero-protocol/src/mutate-server.ts` and `packages/zero-protocol/src/custom-queries.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 
 The Pydantic models beside them decide what parses; `tests/wire/test_requests.py` holds the two to the same
 answer. These only run once a model has refused a value.
diff --git a/src/zero_server/query/builder.py b/src/zero_server/query/builder.py
index 48053f3..e6b1b07 100644
--- a/src/zero_server/query/builder.py
+++ b/src/zero_server/query/builder.py
@@ -1,7 +1,7 @@
 """The ZQL query builder: a `Query` is an immutable AST under construction, in client names.
 
-Ported from rocicorp/mono `packages/zql/src/query/query-impl.ts` and `create-builder.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/zql/src/query/query-impl.ts` and `create-builder.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 
 The errors match upstream's message for message, because a query endpoint reports them to the client.
 
diff --git a/src/zero_server/query/expression.py b/src/zero_server/query/expression.py
index 2324cda..01f6b54 100644
--- a/src/zero_server/query/expression.py
+++ b/src/zero_server/query/expression.py
@@ -1,7 +1,7 @@
 """Conditions for `Query.where`: `cmp`, `and_`, `or_`, `not_` and `exists`.
 
-Ported from rocicorp/mono `packages/zql/src/query/expression.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/zql/src/query/expression.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 from collections.abc import Callable
diff --git a/src/zero_server/query/registry.py b/src/zero_server/query/registry.py
index 6532c2a..9acdf67 100644
--- a/src/zero_server/query/registry.py
+++ b/src/zero_server/query/registry.py
@@ -1,7 +1,7 @@
 """`define_query` and `define_queries`: named queries the query endpoint resolves by name.
 
 Ported from rocicorp/mono `packages/zql/src/query/query-registry.ts`, `validate-input.ts` and
-`error.ts` at zero/v1.11.3 (e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+`error.ts` at zero/v1.11.4 (be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 
 A validator is anything with Pydantic's `validate_python` (a `TypeAdapter`, or a model class), or a
 plain callable that returns the parsed value and raises `ValueError` on bad input. Upstream takes a
diff --git a/src/zero_server/schema.py b/src/zero_server/schema.py
index 9763cf2..923d3e9 100644
--- a/src/zero_server/schema.py
+++ b/src/zero_server/schema.py
@@ -4,7 +4,7 @@
 `JSON.stringify(schema)` and load that here; this module has no schema DSL of its own.
 
 Ported from rocicorp/mono `packages/zero-types/src/schema.ts`, `schema-value.ts`, `name-mapper.ts` and
-`packages/zero-schema/src/name-mapper.ts` at zero/v1.11.3 (e91e55f05b7a2c631f77238e1dd6fadf1029a538).
+`packages/zero-schema/src/name-mapper.ts` at zero/v1.11.4 (be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb).
 Apache-2.0, Copyright Rocicorp.
 """
 
diff --git a/src/zero_server/server/crud.py b/src/zero_server/server/crud.py
index 109ad5d..d793fd7 100644
--- a/src/zero_server/server/crud.py
+++ b/src/zero_server/server/crud.py
@@ -1,8 +1,8 @@
 """`tx.mutate.<table>.insert / upsert / update / delete` on the server, as SQL.
 
 Ported from rocicorp/mono `packages/zero-server/src/custom.ts` (`makeServerTableCRUD`),
-`packages/zql/src/mutate/crud.ts` and the column conversions of `packages/z2s/src/sql.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+`packages/zql/src/mutate/crud.ts` and the column conversions of `packages/z2s/src/sql.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 
 Values are bound as `zero_server.z2s.sql` binds them.
 """
diff --git a/src/zero_server/server/pg_query_executor.py b/src/zero_server/server/pg_query_executor.py
index 53fd2f5..f73900a 100644
--- a/src/zero_server/server/pg_query_executor.py
+++ b/src/zero_server/server/pg_query_executor.py
@@ -1,7 +1,7 @@
 """Run a ZQL query against Postgres and return what the client-side query would have.
 
 Ported from rocicorp/mono `packages/zero-server/src/pg-query-executor.ts` and `extractZqlResult` in
-`packages/z2s/src/compiler.ts` at zero/v1.11.3 (e91e55f05b7a2c631f77238e1dd6fadf1029a538).
+`packages/z2s/src/compiler.ts` at zero/v1.11.4 (be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb).
 Apache-2.0, Copyright Rocicorp.
 """
 
diff --git a/src/zero_server/server/pg_types.py b/src/zero_server/server/pg_types.py
index 3abbde4..f61fc07 100644
--- a/src/zero_server/server/pg_types.py
+++ b/src/zero_server/server/pg_types.py
@@ -1,7 +1,7 @@
 """Postgres column types as Zero sees them.
 
-Ported from rocicorp/mono `packages/zero-cache/src/types/pg-data-type.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/zero-cache/src/types/pg-data-type.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 import functools
diff --git a/src/zero_server/server/process_mutations.py b/src/zero_server/server/process_mutations.py
index f657176..da02241 100644
--- a/src/zero_server/server/process_mutations.py
+++ b/src/zero_server/server/process_mutations.py
@@ -1,7 +1,7 @@
 """The mutate endpoint: exactly-once processing of a push from zero-cache.
 
-Ported from rocicorp/mono `packages/zero-server/src/process-mutations.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538), with `MutationAlreadyProcessedError` from
+Ported from rocicorp/mono `packages/zero-server/src/process-mutations.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb), with `MutationAlreadyProcessedError` from
 `packages/zero-cache/src/services/mutagen/error.ts`. Apache-2.0, Copyright Rocicorp.
 
 Each mutation runs inside the same database transaction that bumps its client's `lastMutationID`.
diff --git a/src/zero_server/server/process_queries.py b/src/zero_server/server/process_queries.py
index 932c3b6..3ee2809 100644
--- a/src/zero_server/server/process_queries.py
+++ b/src/zero_server/server/process_queries.py
@@ -1,7 +1,7 @@
 """The query endpoint: turn each named query zero-cache forwards into its AST, in server names.
 
-Ported from rocicorp/mono `packages/zero-server/src/queries/process-queries.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/zero-server/src/queries/process-queries.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 import asyncio
diff --git a/src/zero_server/server/push_processor.py b/src/zero_server/server/push_processor.py
index c1ed603..6f6593f 100644
--- a/src/zero_server/server/push_processor.py
+++ b/src/zero_server/server/push_processor.py
@@ -1,7 +1,7 @@
 """`PushProcessor`: the older entry point to the mutate endpoint, dispatching to a mutator registry.
 
-Ported from rocicorp/mono `packages/zero-server/src/push-processor.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/zero-server/src/push-processor.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 
 Unlike `handle_mutate_request`, it reports no user ID to zero-cache.
 """
diff --git a/src/zero_server/server/server_schema.py b/src/zero_server/server/server_schema.py
index 8b475bf..53de844 100644
--- a/src/zero_server/server/server_schema.py
+++ b/src/zero_server/server/server_schema.py
@@ -1,7 +1,7 @@
 """The Postgres types behind each column of the Zero schema, and the check that they agree.
 
 Ported from rocicorp/mono `packages/zero-server/src/schema.ts` and `packages/zero-types/src/server-schema.ts`
-at zero/v1.11.3 (e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+at zero/v1.11.4 (be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 from dataclasses import dataclass
diff --git a/src/zero_server/server/transaction.py b/src/zero_server/server/transaction.py
index 025de50..309fd3d 100644
--- a/src/zero_server/server/transaction.py
+++ b/src/zero_server/server/transaction.py
@@ -1,8 +1,8 @@
 """The transaction a server mutator receives.
 
 Ported from rocicorp/mono `packages/zero-server/src/custom.ts` (`TransactionImpl`),
-`packages/zero-server/src/closable-db-transaction.ts` and `packages/zql/src/mutate/custom.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+`packages/zero-server/src/closable-db-transaction.ts` and `packages/zql/src/mutate/custom.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 from collections.abc import Awaitable, Callable, Sequence
diff --git a/src/zero_server/server/transaction_options.py b/src/zero_server/server/transaction_options.py
index 46a03fb..5c6a1a5 100644
--- a/src/zero_server/server/transaction_options.py
+++ b/src/zero_server/server/transaction_options.py
@@ -1,7 +1,7 @@
 """The isolation level a mutator transaction runs at, an option of every adapter.
 
-Mirrors `TransactionOptions` in rocicorp/mono's zero-server (transaction-options.ts) at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Mirrors `TransactionOptions` in rocicorp/mono's zero-server (transaction-options.ts) at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 from typing import Literal
diff --git a/src/zero_server/server/zql_database.py b/src/zero_server/server/zql_database.py
index 3070487..69cc7f5 100644
--- a/src/zero_server/server/zql_database.py
+++ b/src/zero_server/server/zql_database.py
@@ -1,7 +1,7 @@
 """A transaction provider over any Postgres driver, with `tx.mutate` and `tx.run` for mutators.
 
 Ported from rocicorp/mono `packages/zero-server/src/zql-database.ts`, with the server schema cache of
-`CRUDMutatorFactory` in `custom.ts`, at zero/v1.11.3 (e91e55f05b7a2c631f77238e1dd6fadf1029a538).
+`CRUDMutatorFactory` in `custom.ts`, at zero/v1.11.4 (be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb).
 Apache-2.0, Copyright Rocicorp.
 
 A driver plugs in as a `DBConnection`: something that opens a transaction and hands back a
diff --git a/src/zero_server/shared/asserts.py b/src/zero_server/shared/asserts.py
index 18b8c40..23ced53 100644
--- a/src/zero_server/shared/asserts.py
+++ b/src/zero_server/shared/asserts.py
@@ -1,7 +1,7 @@
 """Upstream's `assert`, which, unlike Python's, survives `python -O`.
 
-Ported from rocicorp/mono `packages/shared/src/asserts.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/shared/src/asserts.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 from typing import Any, TypeGuard
diff --git a/src/zero_server/shared/error.py b/src/zero_server/shared/error.py
index 86ac17f..ed0be7d 100644
--- a/src/zero_server/shared/error.py
+++ b/src/zero_server/shared/error.py
@@ -1,7 +1,7 @@
 """Reading a message and JSON details off a raised exception.
 
-Ported from rocicorp/mono `packages/shared/src/error.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/shared/src/error.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 
 JavaScript's `Error` is Python's `Exception`: an error whose class is exactly `Exception` carries no
 `{name}` detail, the way a plain `Error` carries none upstream. A class can set `error_name` to the name
diff --git a/src/zero_server/shared/json.py b/src/zero_server/shared/json.py
index 3457918..42e63ae 100644
--- a/src/zero_server/shared/json.py
+++ b/src/zero_server/shared/json.py
@@ -1,7 +1,7 @@
 """JSON values, as Zero's wire format allows them.
 
-Ported from rocicorp/mono `packages/shared/src/json.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/shared/src/json.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 from typing import Any
diff --git a/src/zero_server/shared/registry.py b/src/zero_server/shared/registry.py
index 7839651..d8dbf00 100644
--- a/src/zero_server/shared/registry.py
+++ b/src/zero_server/shared/registry.py
@@ -1,7 +1,7 @@
 """Nested, dot-named namespaces of queries or mutators, as `defineQueries` and `defineMutators` build them.
 
-Ported from rocicorp/mono `packages/shared/src/object-traversal.ts` and `deep-merge.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+Ported from rocicorp/mono `packages/shared/src/object-traversal.ts` and `deep-merge.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 """
 
 import re
diff --git a/src/zero_server/shared/valita.py b/src/zero_server/shared/valita.py
index fe3ff2d..55cb830 100644
--- a/src/zero_server/shared/valita.py
+++ b/src/zero_server/shared/valita.py
@@ -1,8 +1,8 @@
 """The message upstream's `v.parse` throws when a request does not match its wire schema.
 
-Ported from rocicorp/mono `packages/shared/src/valita.ts` at zero/v1.11.3
-(e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp. The validators underneath are
-ported from `@badrap/valita` 0.5.5 (`dist/index.js`), the version `@rocicorp/zero` 1.11.3 installs. MIT,
+Ported from rocicorp/mono `packages/shared/src/valita.ts` at zero/v1.11.4
+(be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp. The validators underneath are
+ported from `@badrap/valita` 0.5.5 (`dist/index.js`), the version `@rocicorp/zero` 1.11.4 installs. MIT,
 Copyright (c) 2021 Badrap Oy.
 
 Pydantic decides whether a request parses, and is fast. When it refuses one, the same value runs through
diff --git a/src/zero_server/z2s/compiler.py b/src/zero_server/z2s/compiler.py
index 84a5061..489ae34 100644
--- a/src/zero_server/z2s/compiler.py
+++ b/src/zero_server/z2s/compiler.py
@@ -1,7 +1,7 @@
 """A ZQL AST compiled to one Postgres statement that returns the whole result as JSON.
 
 Ported from rocicorp/mono `packages/z2s/src/compiler.ts` and `packages/zql/src/query/complete-ordering.ts`
-at zero/v1.11.3 (e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+at zero/v1.11.4 (be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 
 Relationships nest as `json_agg` subqueries, so the statement returns one row whose `zql_result` column
 holds the rows the client-side query would have produced, in client names.
diff --git a/src/zero_server/z2s/sql.py b/src/zero_server/z2s/sql.py
index e7176f5..4044251 100644
--- a/src/zero_server/z2s/sql.py
+++ b/src/zero_server/z2s/sql.py
@@ -1,14 +1,14 @@
 """Identifiers and bound values for the SQL that z2s and `tx.mutate` write.
 
 Ported from rocicorp/mono `packages/z2s/src/sql.ts` (`formatPgInternalConvert` and its argument
-conversions) at zero/v1.11.3 (e91e55f05b7a2c631f77238e1dd6fadf1029a538). Apache-2.0, Copyright Rocicorp.
+conversions) at zero/v1.11.4 (be94346faaf4ee7e7b2cf983f6e5accae3a6b4fb). Apache-2.0, Copyright Rocicorp.
 
 Every value is bound as text and cast in SQL, so the driver never coerces it: a number is its JSON
 text, a timestamp epoch milliseconds, a JSON value its `JSON.stringify` output.
 
 An identifier is checked as `escapePostgresIdentifier` checks it, ported from `@databases/escape-identifier`
 1.0.3 (`lib/index.js`) and `@databases/validate-unicode` 1.0.0 (`lib/index.js`), the versions
-`@rocicorp/zero` 1.11.3 installs. MIT, Copyright (c) Forbes Lindesay.
+`@rocicorp/zero` 1.11.4 installs. MIT, Copyright (c) Forbes Lindesay.
 """
 
 import functools