diff --git a/embed/build.sh b/embed/build.sh
index 105c216..a80a94a 100755
--- a/embed/build.sh
+++ b/embed/build.sh
@@ -4,7 +4,7 @@ set -euo pipefail
 cd -P -- "$(dirname -- "$0")"
 
 ROOT=../
-BINARYEN="$ROOT/tools/binaryen-version_113/bin"
+BINARYEN="$ROOT/tools/binaryen-version_114/bin"
 WASI_SDK="$ROOT/tools/wasi-sdk-20.0/bin"
 
 "$WASI_SDK/clang" --target=wasm32-wasi -flto -g0 -O2 \
diff --git a/embed/exports.txt b/embed/exports.txt
index 2a07fc0..d14ae18 100644
--- a/embed/exports.txt
+++ b/embed/exports.txt
@@ -46,4 +46,27 @@ sqlite3_uri_parameter
 sqlite3_uri_key
 sqlite3_changes64
 sqlite3_last_insert_rowid
-sqlite3_get_autocommit
\ No newline at end of file
+sqlite3_get_autocommit
+sqlite3_anycollseq_init
+sqlite3_create_go_collation
+sqlite3_create_go_function
+sqlite3_create_go_window_function
+sqlite3_create_go_aggregate_function
+sqlite3_aggregate_context
+sqlite3_user_data
+sqlite3_value_type
+sqlite3_value_int64
+sqlite3_value_double
+sqlite3_value_text
+sqlite3_value_blob
+sqlite3_value_bytes
+sqlite3_result_null
+sqlite3_result_int64
+sqlite3_result_double
+sqlite3_result_text64
+sqlite3_result_blob64
+sqlite3_result_zeroblob64
+sqlite3_result_error
+sqlite3_result_error_code
+sqlite3_result_error_nomem
+sqlite3_result_error_toobig
\ No newline at end of file
diff --git a/embed/sqlite3.wasm b/embed/sqlite3.wasm
index 6a7c852..3b8be54 100755
Binary files a/embed/sqlite3.wasm and b/embed/sqlite3.wasm differ
diff --git a/func.go b/func.go
new file mode 100644
index 0000000..e795323
--- /dev/null
+++ b/func.go
@@ -0,0 +1,36 @@
+package sqlite3
+
+import (
+	"context"
+
+	"github.com/ncruces/go-sqlite3/internal/util"
+	"github.com/tetratelabs/wazero"
+	"github.com/tetratelabs/wazero/api"
+)
+
+func exportHostFunctions(env wazero.HostModuleBuilder) wazero.HostModuleBuilder {
+	util.ExportFuncVI(env, "go_destroy", cbDestroy)
+	util.ExportFuncIIIIII(env, "go_compare", cbCompare)
+	util.ExportFuncVIII(env, "go_func", cbFunc)
+	util.ExportFuncVIII(env, "go_step", cbStep)
+	util.ExportFuncVI(env, "go_final", cbFinal)
+	util.ExportFuncVI(env, "go_value", cbValue)
+	util.ExportFuncVIII(env, "go_inverse", cbInverse)
+	return env
+}
+
+func cbDestroy(ctx context.Context, mod api.Module, pArg uint32) {}
+
+func cbCompare(ctx context.Context, mod api.Module, pArg, nKey1, pKey1, nKey2, pKey2 uint32) uint32 {
+	return 0
+}
+
+func cbFunc(ctx context.Context, mod api.Module, pCtx, nArg, pArg uint32) {}
+
+func cbStep(ctx context.Context, mod api.Module, pCtx, nArg, pArg uint32) {}
+
+func cbFinal(ctx context.Context, mod api.Module, pCtx uint32) {}
+
+func cbValue(ctx context.Context, mod api.Module, pCtx uint32) {}
+
+func cbInverse(ctx context.Context, mod api.Module, pCtx, nArg, pArg uint32) {}
diff --git a/internal/util/func.go b/internal/util/func.go
index 65efe3b..9ff7757 100644
--- a/internal/util/func.go
+++ b/internal/util/func.go
@@ -10,6 +10,32 @@ import (
 type i32 interface{ ~int32 | ~uint32 }
 type i64 interface{ ~int64 | ~uint64 }
 
+type funcVI[T0 i32] func(context.Context, api.Module, T0)
+
+func (fn funcVI[T0]) Call(ctx context.Context, mod api.Module, stack []uint64) {
+	fn(ctx, mod, T0(stack[0]))
+}
+
+func ExportFuncVI[T0 i32](mod wazero.HostModuleBuilder, name string, fn func(context.Context, api.Module, T0)) {
+	mod.NewFunctionBuilder().
+		WithGoModuleFunction(funcVI[T0](fn),
+			[]api.ValueType{api.ValueTypeI32}, nil).
+		Export(name)
+}
+
+type funcVIII[T0, T1, T2 i32] func(context.Context, api.Module, T0, T1, T2)
+
+func (fn funcVIII[T0, T1, T2]) Call(ctx context.Context, mod api.Module, stack []uint64) {
+	fn(ctx, mod, T0(stack[0]), T1(stack[1]), T2(stack[2]))
+}
+
+func ExportFuncVIII[T0, T1, T2 i32](mod wazero.HostModuleBuilder, name string, fn func(context.Context, api.Module, T0, T1, T2)) {
+	mod.NewFunctionBuilder().
+		WithGoModuleFunction(funcVIII[T0, T1, T2](fn),
+			[]api.ValueType{api.ValueTypeI32, api.ValueTypeI32, api.ValueTypeI32}, nil).
+		Export(name)
+}
+
 type funcII[TR, T0 i32] func(context.Context, api.Module, T0) TR
 
 func (fn funcII[TR, T0]) Call(ctx context.Context, mod api.Module, stack []uint64) {
diff --git a/module.go b/module.go
index e279601..fc6d027 100644
--- a/module.go
+++ b/module.go
@@ -53,7 +53,9 @@ func compileModule() {
 	ctx := context.Background()
 	sqlite3.runtime = wazero.NewRuntime(ctx)
 
-	env := vfs.ExportHostFunctions(sqlite3.runtime.NewHostModuleBuilder("env"))
+	env := sqlite3.runtime.NewHostModuleBuilder("env")
+	env = vfs.ExportHostFunctions(env)
+	env = exportHostFunctions(env)
 	_, sqlite3.err = env.Instantiate(ctx)
 	if sqlite3.err != nil {
 		return
diff --git a/sqlite3/.gitignore b/sqlite3/.gitignore
index 2ebf02e..4e3d5d2 100644
--- a/sqlite3/.gitignore
+++ b/sqlite3/.gitignore
@@ -1,3 +1,4 @@
+ext/
 sqlite3.c
 sqlite3.h
 sqlite3ext.h
\ No newline at end of file
diff --git a/sqlite3/download.sh b/sqlite3/download.sh
index 9850ffb..01435c7 100755
--- a/sqlite3/download.sh
+++ b/sqlite3/download.sh
@@ -8,10 +8,9 @@ unzip -d . sqlite-amalgamation-*.zip
 mv sqlite-amalgamation-*/sqlite3* .
 rm -rf sqlite-amalgamation-*
 
-patch < vfs_find.patch
-patch < open_memory.patch
-patch < locking_mode.patch
+cat *.patch | patch
 
+mkdir -p ext/
 cd ext/
 curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.42.0/ext/misc/decimal.c"
 curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.42.0/ext/misc/uint.c"
@@ -19,6 +18,7 @@ curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.42.0/ext/misc/uuid.c"
 curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.42.0/ext/misc/base64.c"
 curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.42.0/ext/misc/regexp.c"
 curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.42.0/ext/misc/series.c"
+curl -#OL "https://github.com/sqlite/sqlite/raw/version-3.42.0/ext/misc/anycollseq.c"
 cd ~-
 
 cd ../vfs/tests/mptest/testdata/
diff --git a/sqlite3/ext/.gitignore b/sqlite3/ext/.gitignore
deleted file mode 100644
index 09b2ac1..0000000
--- a/sqlite3/ext/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-*.c
\ No newline at end of file
diff --git a/sqlite3/func.c b/sqlite3/func.c
new file mode 100644
index 0000000..1be22de
--- /dev/null
+++ b/sqlite3/func.c
@@ -0,0 +1,36 @@
+#include <string.h>
+
+#include "sqlite3.h"
+
+int go_compare(void *, int, const void *, int, const void *);
+void go_func(sqlite3_context *, int, sqlite3_value **);
+void go_step(sqlite3_context *, int, sqlite3_value **);
+void go_final(sqlite3_context *);
+void go_value(sqlite3_context *);
+void go_inverse(sqlite3_context *, int, sqlite3_value **);
+void go_destroy(void *);
+
+int sqlite3_create_go_collation(sqlite3 *db, const char *zName, void *pApp) {
+  return sqlite3_create_collation_v2(db, zName, SQLITE_UTF8, pApp, go_compare,
+                                     go_destroy);
+}
+
+int sqlite3_create_go_function(sqlite3 *db, const char *zName, int nArg,
+                               int flags, void *pApp) {
+  return sqlite3_create_function_v2(db, zName, nArg, SQLITE_UTF8 | flags, pApp,
+                                    go_func, NULL, NULL, go_destroy);
+}
+
+int sqlite3_create_go_window_function(sqlite3 *db, const char *zName, int nArg,
+                                      int flags, void *pApp) {
+  return sqlite3_create_window_function(db, zName, nArg, SQLITE_UTF8 | flags,
+                                        pApp, go_step, go_final, NULL, NULL,
+                                        go_destroy);
+}
+
+int sqlite3_create_go_aggregate_function(sqlite3 *db, const char *zName,
+                                         int nArg, int flags, void *pApp) {
+  return sqlite3_create_window_function(db, zName, nArg, SQLITE_UTF8 | flags,
+                                        pApp, go_step, go_final, go_value,
+                                        go_inverse, go_destroy);
+}
diff --git a/sqlite3/main.c b/sqlite3/main.c
index d4b6c2d..e4ec00d 100644
--- a/sqlite3/main.c
+++ b/sqlite3/main.c
@@ -6,12 +6,14 @@
 // VFS
 #include "vfs.c"
 // Extensions
+#include "ext/anycollseq.c"
 #include "ext/base64.c"
 #include "ext/decimal.c"
 #include "ext/regexp.c"
 #include "ext/series.c"
 #include "ext/uint.c"
 #include "ext/uuid.c"
+#include "func.c"
 #include "time.c"
 
 __attribute__((constructor)) void init() {
diff --git a/vfs/tests/mptest/testdata/build.sh b/vfs/tests/mptest/testdata/build.sh
index fc2f31f..8d4247b 100755
--- a/vfs/tests/mptest/testdata/build.sh
+++ b/vfs/tests/mptest/testdata/build.sh
@@ -4,7 +4,7 @@ set -euo pipefail
 cd -P -- "$(dirname -- "$0")"
 
 ROOT=../../../../
-BINARYEN="$ROOT/tools/binaryen-version_113/bin"
+BINARYEN="$ROOT/tools/binaryen-version_114/bin"
 WASI_SDK="$ROOT/tools/wasi-sdk-20.0/bin"
 
 "$WASI_SDK/clang" --target=wasm32-wasi -flto -g0 -O2 \
diff --git a/vfs/tests/speedtest1/testdata/build.sh b/vfs/tests/speedtest1/testdata/build.sh
index 0ef94e6..174e067 100755
--- a/vfs/tests/speedtest1/testdata/build.sh
+++ b/vfs/tests/speedtest1/testdata/build.sh
@@ -4,7 +4,7 @@ set -euo pipefail
 cd -P -- "$(dirname -- "$0")"
 
 ROOT=../../../../
-BINARYEN="$ROOT/tools/binaryen-version_113/bin"
+BINARYEN="$ROOT/tools/binaryen-version_114/bin"
 WASI_SDK="$ROOT/tools/wasi-sdk-20.0/bin"
 
 "$WASI_SDK/clang" --target=wasm32-wasi -flto -g0 -O2 \