diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..7296f66
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,8 @@
+# vi: ft=sh
+# shellcheck shell=bash
+
+if ! has zvm_direnv_version || ! zvm_direnv_version 1.0.0; then
+  source_url "https://git.lerch.org/lobo/zvm-direnv/raw/tag/1.0.0/direnvrc" "sha256-Gtddvcr6aJsrjKd53uChxA1reQmJgEBpmPUWmMdtDIQ="
+fi
+
+use zig 2024.11.0-mach
diff --git a/.gitea/workflows/zig-mach.yaml b/.gitea/workflows/zig-mach.yaml
index 574184c..3adc9d8 100644
--- a/.gitea/workflows/zig-mach.yaml
+++ b/.gitea/workflows/zig-mach.yaml
@@ -28,7 +28,11 @@ jobs:
         uses: mlugg/setup-zig@v1.2.1
         with:
           version: mach-latest
-      - name: Run tests
+      - name: Run gen
+        run: zig build gen --verbose
+      - name: Run smoke test
+        run: zig build smoke-test --verbose
+      - name: Run full tests
         run: zig build test --verbose
       # Zig package manager expects everything to be inside a directory in the archive,
       # which it then strips out on download. So we need to shove everything inside a directory
diff --git a/README.md b/README.md
index 2d4b993..cfb703a 100644
--- a/README.md
+++ b/README.md
@@ -13,11 +13,15 @@ AWS SDK for Zig
 
 [![Build Status: Zig Nightly](https://git.lerch.org/lobo/aws-sdk-for-zig/actions/workflows/zig-nightly.yaml/badge.svg)](https://git.lerch.org/lobo/aws-sdk-for-zig/actions?workflow=zig-nightly.yaml&state=closed)
 
+**NOTE ON BUILD STATUS**: The nightly/mach nominated version of this currently
+panics under CI, but I have not yet reproduced this panic. Running manually on
+multiple machines appears to be working properly
+
 Current executable size for the demo is 980k after compiling with -Doptimize=ReleaseSmall
 in x86_linux, and will vary based on services used. Tested targets:
 
 * x86_64-linux
-* riscv64-linux\*
+* riscv64-linux
 * aarch64-linux
 * x86_64-windows
 * arm-linux
@@ -26,9 +30,6 @@ in x86_linux, and will vary based on services used. Tested targets:
 
 Tested targets are built, but not continuously tested, by CI.
 
-\* On Zig 0.12/0.13, riscv64-linux disabled due to [LLLM's O(N^2) codegen](https://github.com/ziglang/zig/issues/18872)
-
-
 Zig-Develop Branch
 ------------------
 
diff --git a/build.zig b/build.zig
index 9de9394..658934e 100644
--- a/build.zig
+++ b/build.zig
@@ -10,11 +10,7 @@ const test_targets = [_]std.Target.Query{
     .{}, // native
     .{ .cpu_arch = .x86_64, .os_tag = .linux },
     .{ .cpu_arch = .aarch64, .os_tag = .linux },
-    // The test executable linking process just spins forever in LLVM using nominated zig 0.13 May 2024
-    // This is likely a LLVM problem unlikely to be fixed in zig 0.13
-    // Potentially this issue: https://github.com/llvm/llvm-project/issues/81440
-    // Zig tracker: https://github.com/ziglang/zig/issues/18872
-    // .{ .cpu_arch = .riscv64, .os_tag = .linux },
+    .{ .cpu_arch = .riscv64, .os_tag = .linux },
     .{ .cpu_arch = .arm, .os_tag = .linux },
     .{ .cpu_arch = .x86_64, .os_tag = .windows },
     .{ .cpu_arch = .aarch64, .os_tag = .macos },
@@ -33,6 +29,12 @@ pub fn build(b: *Builder) !void {
     // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
     const optimize = b.standardOptimizeOption(.{});
 
+    const no_llvm = b.option(
+        bool,
+        "no-llvm",
+        "Disable LLVM",
+    ) orelse false;
+
     const broken_windows = b.option(
         bool,
         "broken-windows",
@@ -56,6 +58,7 @@ pub fn build(b: *Builder) !void {
         .target = target,
         .optimize = optimize,
     });
+    exe.use_llvm = !no_llvm;
     const smithy_dep = b.dependency("smithy", .{
         // These are the arguments to the dependency. It expects a target and optimization level.
         .target = target,
@@ -107,6 +110,7 @@ pub fn build(b: *Builder) !void {
             .target = b.graph.host,
             .optimize = if (b.verbose) .Debug else .ReleaseSafe,
         });
+        cg_exe.use_llvm = !no_llvm;
         cg_exe.root_module.addImport("smithy", smithy_dep.module("smithy"));
         var cg_cmd = b.addRunArtifact(cg_exe);
         cg_cmd.addArg("--models");
@@ -183,6 +187,7 @@ pub fn build(b: *Builder) !void {
         });
         unit_tests.root_module.addImport("smithy", smithy_dep.module("smithy"));
         unit_tests.step.dependOn(gen_step);
+        unit_tests.use_llvm = !no_llvm;
 
         const run_unit_tests = b.addRunArtifact(unit_tests);
         run_unit_tests.skip_foreign_checks = true;
@@ -204,6 +209,7 @@ pub fn build(b: *Builder) !void {
         .target = target,
         .optimize = optimize,
     });
+    smoke_test.use_llvm = !no_llvm;
     smoke_test.root_module.addImport("smithy", smithy_dep.module("smithy"));
     smoke_test.step.dependOn(gen_step);
 
diff --git a/codegen/src/json.zig b/codegen/src/json.zig
index f9bfcf8..f3f4f47 100644
--- a/codegen/src/json.zig
+++ b/codegen/src/json.zig
@@ -2,7 +2,7 @@ const std = @import("std");
 // options is a json.Options, but since we're using our hacked json.zig we don't want to
 // specifically call this out
 pub fn serializeMap(map: anytype, key: []const u8, options: anytype, out_stream: anytype) !bool {
-    if (@typeInfo(@TypeOf(map)) == .Optional) {
+    if (@typeInfo(@TypeOf(map)) == .optional) {
         if (map == null)
             return true
         else
diff --git a/example/build.zig.zon b/example/build.zig.zon
index d929d35..56555c2 100644
--- a/example/build.zig.zon
+++ b/example/build.zig.zon
@@ -5,8 +5,8 @@
 
     .dependencies = .{
         .aws = .{
-            .url = "https://git.lerch.org/api/packages/lobo/generic/aws-sdk-with-models/dfda8e77d624dfb776e3a70471501a7c610fbac1/dfda8e77d624dfb776e3a70471501a7c610fbac1-with-models.tar.gz",
-            .hash = "122000ad704234e68fee82a52e3b4e365a52874ec851d978b109e05ac66a80dc86ac",
+            .url = "https://git.lerch.org/api/packages/lobo/generic/aws-sdk-with-models/e02fb699fc47f19d19cad99209bd480ca6963295/e02fb699fc47f19d19cad99209bd480ca6963295nominated-zig-with-models.tar.gz",
+            .hash = "1220fa9b39c985449936f0e3f02bbb6fdafa64435e502eb78fd47d457b96876b7968",
         },
     },
 }
diff --git a/src/aws.zig b/src/aws.zig
index 1bb5e6f..2f07896 100644
--- a/src/aws.zig
+++ b/src/aws.zig
@@ -517,9 +517,9 @@ pub fn Request(comptime request_action: anytype) type {
                 // And the response property below will pull whatever is the ActionResult object
                 // We can grab index [0] as structs are guaranteed by zig to be returned in the order
                 // declared, and we're declaring in that order in ServerResponse().
-                const real_response = @field(parsed_response, @typeInfo(response_types.NormalResponse).Struct.fields[0].name);
+                const real_response = @field(parsed_response, @typeInfo(response_types.NormalResponse).@"struct".fields[0].name);
                 return FullResponseType{
-                    .response = @field(real_response, @typeInfo(@TypeOf(real_response)).Struct.fields[0].name),
+                    .response = @field(real_response, @typeInfo(@TypeOf(real_response)).@"struct".fields[0].name),
                     .response_metadata = .{
                         .request_id = try options.client.allocator.dupe(u8, real_response.ResponseMetadata.RequestId),
                     },
@@ -773,7 +773,7 @@ fn isOtherNormalResponse(comptime T: type, first_key: []const u8) bool {
     return std.mem.eql(u8, first_key, expected_key);
 }
 fn coerceFromString(comptime T: type, val: []const u8) anyerror!T {
-    if (@typeInfo(T) == .Optional) return try coerceFromString(@typeInfo(T).Optional.child, val);
+    if (@typeInfo(T) == .optional) return try coerceFromString(@typeInfo(T).optional.child, val);
     // TODO: This is terrible...fix it
     switch (T) {
         bool => return std.ascii.eqlIgnoreCase(val, "true"),
@@ -806,8 +806,8 @@ fn parseInt(comptime T: type, val: []const u8) !T {
 
 fn generalAllocPrint(allocator: std.mem.Allocator, val: anytype) !?[]const u8 {
     switch (@typeInfo(@TypeOf(val))) {
-        .Optional => if (val) |v| return generalAllocPrint(allocator, v) else return null,
-        .Array, .Pointer => return try std.fmt.allocPrint(allocator, "{s}", .{val}),
+        .optional => if (val) |v| return generalAllocPrint(allocator, v) else return null,
+        .array, .pointer => return try std.fmt.allocPrint(allocator, "{s}", .{val}),
         else => return try std.fmt.allocPrint(allocator, "{any}", .{val}),
     }
 }
@@ -926,7 +926,7 @@ fn ServerResponse(comptime action: anytype) type {
         RequestId: []u8,
     };
     const Result = @Type(.{
-        .Struct = .{
+        .@"struct" = .{
             .layout = .auto,
             .fields = &[_]std.builtin.Type.StructField{
                 .{
@@ -949,7 +949,7 @@ fn ServerResponse(comptime action: anytype) type {
         },
     });
     return @Type(.{
-        .Struct = .{
+        .@"struct" = .{
             .layout = .auto,
             .fields = &[_]std.builtin.Type.StructField{
                 .{
@@ -1015,8 +1015,8 @@ fn FullResponse(comptime action: anytype) type {
 }
 fn safeFree(allocator: std.mem.Allocator, obj: anytype) void {
     switch (@typeInfo(@TypeOf(obj))) {
-        .Pointer => allocator.free(obj),
-        .Optional => if (obj) |o| safeFree(allocator, o),
+        .pointer => allocator.free(obj),
+        .optional => if (obj) |o| safeFree(allocator, o),
         else => {},
     }
 }
@@ -1125,7 +1125,7 @@ fn buildQuery(allocator: std.mem.Allocator, request: anytype) ![]const u8 {
     var prefix = "?";
     if (@hasDecl(@TypeOf(request), "http_query")) {
         const query_arguments = @field(@TypeOf(request), "http_query");
-        inline for (@typeInfo(@TypeOf(query_arguments)).Struct.fields) |arg| {
+        inline for (@typeInfo(@TypeOf(query_arguments)).@"struct".fields) |arg| {
             const val = @field(request, arg.name);
             if (try addQueryArg(arg.type, prefix, @field(query_arguments, arg.name), val, writer))
                 prefix = "&";
@@ -1136,13 +1136,13 @@ fn buildQuery(allocator: std.mem.Allocator, request: anytype) ![]const u8 {
 
 fn addQueryArg(comptime ValueType: type, prefix: []const u8, key: []const u8, value: anytype, writer: anytype) !bool {
     switch (@typeInfo(@TypeOf(value))) {
-        .Optional => {
+        .optional => {
             if (value) |v|
                 return try addQueryArg(ValueType, prefix, key, v, writer);
             return false;
         },
         // if this is a pointer, we want to make sure it is more than just a string
-        .Pointer => |ptr| {
+        .pointer => |ptr| {
             if (ptr.child == u8 or ptr.size != .Slice) {
                 // This is just a string
                 return try addBasicQueryArg(prefix, key, value, writer);
@@ -1154,7 +1154,7 @@ fn addQueryArg(comptime ValueType: type, prefix: []const u8, key: []const u8, va
             }
             return std.mem.eql(u8, "&", p);
         },
-        .Array => |arr| {
+        .array => |arr| {
             if (arr.child == u8)
                 return try addBasicQueryArg(prefix, key, value, writer);
             var p = prefix;
@@ -1274,8 +1274,8 @@ fn reportTraffic(
 fn typeForField(comptime T: type, comptime field_name: []const u8) !type {
     const ti = @typeInfo(T);
     switch (ti) {
-        .Struct => {
-            inline for (ti.Struct.fields) |field| {
+        .@"struct" => {
+            inline for (ti.@"struct".fields) |field| {
                 if (std.mem.eql(u8, field.name, field_name))
                     return field.type;
             }
@@ -1289,7 +1289,7 @@ test "custom serialization for map objects" {
     const allocator = std.testing.allocator;
     var buffer = std.ArrayList(u8).init(allocator);
     defer buffer.deinit();
-    var tags = try std.ArrayList(@typeInfo(try typeForField(services.lambda.tag_resource.Request, "tags")).Pointer.child).initCapacity(allocator, 2);
+    var tags = try std.ArrayList(@typeInfo(try typeForField(services.lambda.tag_resource.Request, "tags")).pointer.child).initCapacity(allocator, 2);
     defer tags.deinit();
     tags.appendAssumeCapacity(.{ .key = "Foo", .value = "Bar" });
     tags.appendAssumeCapacity(.{ .key = "Baz", .value = "Qux" });
@@ -2051,7 +2051,7 @@ test "rest_json_1_work_with_lambda: lambda tagResource (only), to excercise zig
     defer test_harness.deinit();
     const options = try test_harness.start();
     const lambda = (Services(.{.lambda}){}).lambda;
-    var tags = try std.ArrayList(@typeInfo(try typeForField(lambda.tag_resource.Request, "tags")).Pointer.child).initCapacity(allocator, 1);
+    var tags = try std.ArrayList(@typeInfo(try typeForField(lambda.tag_resource.Request, "tags")).pointer.child).initCapacity(allocator, 1);
     defer tags.deinit();
     tags.appendAssumeCapacity(.{ .key = "Foo", .value = "Bar" });
     const req = services.lambda.tag_resource.Request{ .resource = "arn:aws:lambda:us-west-2:550620852718:function:awsome-lambda-LambdaStackawsomeLambda", .tags = tags.items };
diff --git a/src/json.zig b/src/json.zig
index ae5b43a..637beef 100644
--- a/src/json.zig
+++ b/src/json.zig
@@ -1560,21 +1560,21 @@ fn skipValue(tokens: *TokenStream) SkipValueError!void {
 
 fn parseInternal(comptime T: type, token: Token, tokens: *TokenStream, options: ParseOptions) !T {
     switch (@typeInfo(T)) {
-        .Bool => {
+        .bool => {
             return switch (token) {
                 .True => true,
                 .False => false,
                 else => error.UnexpectedToken,
             };
         },
-        .Float, .ComptimeFloat => {
+        .float, .comptime_float => {
             const numberToken = switch (token) {
                 .Number => |n| n,
                 else => return error.UnexpectedToken,
             };
             return try std.fmt.parseFloat(T, numberToken.slice(tokens.slice, tokens.i - 1));
         },
-        .Int, .ComptimeInt => {
+        .int, .comptime_int => {
             const numberToken = switch (token) {
                 .Number => |n| n,
                 else => return error.UnexpectedToken,
@@ -1587,14 +1587,14 @@ fn parseInternal(comptime T: type, token: Token, tokens: *TokenStream, options:
             if (std.math.round(float) != float) return error.InvalidNumber;
             return @as(T, @intFromFloat(float));
         },
-        .Optional => |optionalInfo| {
+        .optional => |optionalInfo| {
             if (token == .Null) {
                 return null;
             } else {
                 return try parseInternal(optionalInfo.child, token, tokens, options);
             }
         },
-        .Enum => |enumInfo| {
+        .@"enum" => |enumInfo| {
             switch (token) {
                 .Number => |numberToken| {
                     if (!numberToken.is_integer) return error.UnexpectedToken;
@@ -1618,7 +1618,7 @@ fn parseInternal(comptime T: type, token: Token, tokens: *TokenStream, options:
                 else => return error.UnexpectedToken,
             }
         },
-        .Union => |unionInfo| {
+        .@"union" => |unionInfo| {
             if (unionInfo.tag_type) |_| {
                 // try each of the union fields until we find one that matches
                 inline for (unionInfo.fields) |u_field| {
@@ -1642,7 +1642,7 @@ fn parseInternal(comptime T: type, token: Token, tokens: *TokenStream, options:
                 @compileError("Unable to parse into untagged union '" ++ @typeName(T) ++ "'");
             }
         },
-        .Struct => |structInfo| {
+        .@"struct" => |structInfo| {
             switch (token) {
                 .ObjectBegin => {},
                 else => return error.UnexpectedToken,
@@ -1736,7 +1736,7 @@ fn parseInternal(comptime T: type, token: Token, tokens: *TokenStream, options:
             }
             return r;
         },
-        .Array => |arrayInfo| {
+        .array => |arrayInfo| {
             switch (token) {
                 .ArrayBegin => {
                     var r: T = undefined;
@@ -1770,7 +1770,7 @@ fn parseInternal(comptime T: type, token: Token, tokens: *TokenStream, options:
                 else => return error.UnexpectedToken,
             }
         },
-        .Pointer => |ptrInfo| {
+        .pointer => |ptrInfo| {
             const allocator = options.allocator orelse return error.AllocatorRequired;
             switch (ptrInfo.size) {
                 .One => {
@@ -1863,8 +1863,8 @@ fn parseInternal(comptime T: type, token: Token, tokens: *TokenStream, options:
 fn typeForField(comptime T: type, comptime field_name: []const u8) ?type {
     const ti = @typeInfo(T);
     switch (ti) {
-        .Struct => {
-            inline for (ti.Struct.fields) |field| {
+        .@"struct" => {
+            inline for (ti.@"struct".fields) |field| {
                 if (std.mem.eql(u8, field.name, field_name))
                     return field.type;
             }
@@ -1878,14 +1878,14 @@ fn isMapPattern(comptime T: type) bool {
     // We should be getting a type that is a pointer to a slice.
     // Let's just double check before proceeding
     const ti = @typeInfo(T);
-    if (ti != .Pointer) return false;
-    if (ti.Pointer.size != .Slice) return false;
-    const ti_child = @typeInfo(ti.Pointer.child);
-    if (ti_child != .Struct) return false;
-    if (ti_child.Struct.fields.len != 2) return false;
+    if (ti != .pointer) return false;
+    if (ti.pointer.size != .Slice) return false;
+    const ti_child = @typeInfo(ti.pointer.child);
+    if (ti_child != .@"struct") return false;
+    if (ti_child.@"struct".fields.len != 2) return false;
     var key_found = false;
     var value_found = false;
-    inline for (ti_child.Struct.fields) |field| {
+    inline for (ti_child.@"struct".fields) |field| {
         if (std.mem.eql(u8, "key", field.name))
             key_found = true;
         if (std.mem.eql(u8, "value", field.name))
@@ -1904,13 +1904,13 @@ pub fn parse(comptime T: type, tokens: *TokenStream, options: ParseOptions) !T {
 /// Should be called with the same type and `ParseOptions` that were passed to `parse`
 pub fn parseFree(comptime T: type, value: T, options: ParseOptions) void {
     switch (@typeInfo(T)) {
-        .Bool, .Float, .ComptimeFloat, .Int, .ComptimeInt, .Enum => {},
-        .Optional => {
+        .bool, .float, .comptime_float, .int, .comptime_int, .@"enum" => {},
+        .optional => {
             if (value) |v| {
                 return parseFree(@TypeOf(v), v, options);
             }
         },
-        .Union => |unionInfo| {
+        .@"union" => |unionInfo| {
             if (unionInfo.tag_type) |UnionTagType| {
                 inline for (unionInfo.fields) |u_field| {
                     if (value == @field(UnionTagType, u_field.name)) {
@@ -1922,17 +1922,17 @@ pub fn parseFree(comptime T: type, value: T, options: ParseOptions) void {
                 unreachable;
             }
         },
-        .Struct => |structInfo| {
+        .@"struct" => |structInfo| {
             inline for (structInfo.fields) |field| {
                 parseFree(field.type, @field(value, field.name), options);
             }
         },
-        .Array => |arrayInfo| {
+        .array => |arrayInfo| {
             for (value) |v| {
                 parseFree(arrayInfo.child, v, options);
             }
         },
-        .Pointer => |ptrInfo| {
+        .pointer => |ptrInfo| {
             const allocator = options.allocator orelse unreachable;
             switch (ptrInfo.size) {
                 .One => {
@@ -2812,38 +2812,38 @@ pub fn stringify(
 ) !void {
     const T = @TypeOf(value);
     switch (@typeInfo(T)) {
-        .Float, .ComptimeFloat => {
+        .float, .comptime_float => {
             return std.fmt.format(out_stream, "{e}", .{value});
         },
-        .Int, .ComptimeInt => {
+        .int, .comptime_int => {
             return std.fmt.formatIntValue(value, "", std.fmt.FormatOptions{}, out_stream);
         },
-        .Bool => {
+        .bool => {
             return out_stream.writeAll(if (value) "true" else "false");
         },
-        .Null => {
+        .null => {
             return out_stream.writeAll("null");
         },
-        .Optional => {
+        .optional => {
             if (value) |payload| {
                 return try stringify(payload, options, out_stream);
             } else {
                 return try stringify(null, options, out_stream);
             }
         },
-        .Enum => {
+        .@"enum" => {
             if (comptime std.meta.hasFn(T, "jsonStringify")) {
                 return value.jsonStringify(options, out_stream);
             }
 
             @compileError("Unable to stringify enum '" ++ @typeName(T) ++ "'");
         },
-        .Union => {
+        .@"union" => {
             if (comptime std.meta.hasFn(T, "jsonStringify")) {
                 return value.jsonStringify(options, out_stream);
             }
 
-            const info = @typeInfo(T).Union;
+            const info = @typeInfo(T).@"union";
             if (info.tag_type) |UnionTagType| {
                 inline for (info.fields) |u_field| {
                     if (value == @field(UnionTagType, u_field.name)) {
@@ -2854,7 +2854,7 @@ pub fn stringify(
                 @compileError("Unable to stringify untagged union '" ++ @typeName(T) ++ "'");
             }
         },
-        .Struct => |S| {
+        .@"struct" => |S| {
             if (comptime std.meta.hasFn(T, "jsonStringify")) {
                 return value.jsonStringify(options, out_stream);
             }
@@ -2870,7 +2870,7 @@ pub fn stringify(
                 if (Field.type == void) continue;
 
                 var output_this_field = true;
-                if (!options.emit_null and @typeInfo(Field.type) == .Optional and @field(value, Field.name) == null) output_this_field = false;
+                if (!options.emit_null and @typeInfo(Field.type) == .optional and @field(value, Field.name) == null) output_this_field = false;
 
                 const final_name = if (comptime std.meta.hasFn(T, "fieldNameFor"))
                     value.fieldNameFor(Field.name)
@@ -2920,10 +2920,10 @@ pub fn stringify(
             try out_stream.writeByte('}');
             return;
         },
-        .ErrorSet => return stringify(@as([]const u8, @errorName(value)), options, out_stream),
-        .Pointer => |ptr_info| switch (ptr_info.size) {
+        .error_set => return stringify(@as([]const u8, @errorName(value)), options, out_stream),
+        .pointer => |ptr_info| switch (ptr_info.size) {
             .One => switch (@typeInfo(ptr_info.child)) {
-                .Array => {
+                .array => {
                     const Slice = []const std.meta.Elem(ptr_info.child);
                     return stringify(@as(Slice, value), options, out_stream);
                 },
@@ -3002,8 +3002,8 @@ pub fn stringify(
             },
             else => @compileError("Unable to stringify type '" ++ @typeName(T) ++ "'"),
         },
-        .Array => return stringify(&value, options, out_stream),
-        .Vector => |info| {
+        .array => return stringify(&value, options, out_stream),
+        .vector => |info| {
             const array: [info.len]info.child = value;
             return stringify(&array, options, out_stream);
         },
diff --git a/src/main.zig b/src/main.zig
index 6eb2fdc..ed3024a 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -97,7 +97,7 @@ pub fn main() anyerror!void {
             }
             continue;
         }
-        inline for (@typeInfo(Tests).Enum.fields) |f| {
+        inline for (@typeInfo(Tests).@"enum".fields) |f| {
             if (std.mem.eql(u8, f.name, arg)) {
                 try tests.append(@field(Tests, f.name));
                 break;
@@ -105,7 +105,7 @@ pub fn main() anyerror!void {
         }
     }
     if (tests.items.len == 0) {
-        inline for (@typeInfo(Tests).Enum.fields) |f|
+        inline for (@typeInfo(Tests).@"enum".fields) |f|
             try tests.append(@field(Tests, f.name));
     }
 
@@ -192,7 +192,7 @@ pub fn main() anyerror!void {
                         const func = fns[0];
                         const arn = func.function_arn.?;
                         // This is a bit ugly. Maybe a helper function in the library would help?
-                        var tags = try std.ArrayList(@typeInfo(try typeForField(services.lambda.tag_resource.Request, "tags")).Pointer.child).initCapacity(allocator, 1);
+                        var tags = try std.ArrayList(@typeInfo(try typeForField(services.lambda.tag_resource.Request, "tags")).pointer.child).initCapacity(allocator, 1);
                         defer tags.deinit();
                         tags.appendAssumeCapacity(.{ .key = "Foo", .value = "Bar" });
                         const req = services.lambda.tag_resource.Request{ .resource = arn, .tags = tags.items };
@@ -380,8 +380,8 @@ fn proxyFromString(string: []const u8) !std.http.Client.Proxy {
 fn typeForField(comptime T: type, comptime field_name: []const u8) !type {
     const ti = @typeInfo(T);
     switch (ti) {
-        .Struct => {
-            inline for (ti.Struct.fields) |field| {
+        .@"struct" => {
+            inline for (ti.@"struct".fields) |field| {
                 if (std.mem.eql(u8, field.name, field_name))
                     return field.type;
             }
diff --git a/src/servicemodel.zig b/src/servicemodel.zig
index 0f26886..93cf6db 100644
--- a/src/servicemodel.zig
+++ b/src/servicemodel.zig
@@ -20,7 +20,7 @@ pub fn Services(comptime service_imports: anytype) type {
 
     // finally, generate the type
     return @Type(.{
-        .Struct = .{
+        .@"struct" = .{
             .layout = .auto,
             .fields = &fields,
             .decls = &[_]std.builtin.Type.Declaration{},
diff --git a/src/url.zig b/src/url.zig
index b2e1500..ed8e61e 100644
--- a/src/url.zig
+++ b/src/url.zig
@@ -24,7 +24,7 @@ fn encodeStruct(
     comptime options: EncodingOptions,
 ) !bool {
     var rc = first;
-    inline for (@typeInfo(@TypeOf(obj)).Struct.fields) |field| {
+    inline for (@typeInfo(@TypeOf(obj)).@"struct".fields) |field| {
         const field_name = try options.field_name_transformer(allocator, field.name);
         defer if (options.field_name_transformer.* != defaultTransformer)
             allocator.free(field_name);
@@ -47,10 +47,10 @@ pub fn encodeInternal(
     // @compileLog(@typeInfo(@TypeOf(obj)));
     var rc = first;
     switch (@typeInfo(@TypeOf(obj))) {
-        .Optional => if (obj) |o| {
+        .optional => if (obj) |o| {
             rc = try encodeInternal(allocator, parent, field_name, first, o, writer, options);
         },
-        .Pointer => |ti| if (ti.size == .One) {
+        .pointer => |ti| if (ti.size == .One) {
             rc = try encodeInternal(allocator, parent, field_name, first, obj.*, writer, options);
         } else {
             if (!first) _ = try writer.write("&");
@@ -61,7 +61,7 @@ pub fn encodeInternal(
                 try writer.print("{s}{s}={any}", .{ parent, field_name, obj });
             rc = false;
         },
-        .Struct => if (std.mem.eql(u8, "", field_name)) {
+        .@"struct" => if (std.mem.eql(u8, "", field_name)) {
             rc = try encodeStruct(allocator, parent, first, obj, writer, options);
         } else {
             // TODO: It would be lovely if we could concat at compile time or allocPrint at runtime
@@ -73,12 +73,12 @@ pub fn encodeInternal(
             rc = try encodeStruct(allocator, new_parent, first, obj, writer, options);
             // try encodeStruct(parent ++ field_name ++ ".", first, obj,  writer, options);
         },
-        .Array => {
+        .array => {
             if (!first) _ = try writer.write("&");
             try writer.print("{s}{s}={s}", .{ parent, field_name, obj });
             rc = false;
         },
-        .Int, .ComptimeInt, .Float, .ComptimeFloat => {
+        .int, .comptime_int, .float, .comptime_float => {
             if (!first) _ = try writer.write("&");
             try writer.print("{s}{s}={d}", .{ parent, field_name, obj });
             rc = false;
diff --git a/src/xml_shaper.zig b/src/xml_shaper.zig
index bf33bab..4a6c29d 100644
--- a/src/xml_shaper.zig
+++ b/src/xml_shaper.zig
@@ -96,14 +96,14 @@ pub fn parse(comptime T: type, source: []const u8, options: ParseOptions) !Parse
 
 fn parseInternal(comptime T: type, element: *xml.Element, options: ParseOptions) !T {
     switch (@typeInfo(T)) {
-        .Bool => {
+        .bool => {
             if (std.ascii.eqlIgnoreCase("true", element.children.items[0].CharData))
                 return true;
             if (std.ascii.eqlIgnoreCase("false", element.children.items[0].CharData))
                 return false;
             return error.UnexpectedToken;
         },
-        .Float, .ComptimeFloat => {
+        .float, .comptime_float => {
             return std.fmt.parseFloat(T, element.children.items[0].CharData) catch |e| {
                 if (element.children.items[0].CharData[element.children.items[0].CharData.len - 1] == 'Z') {
                     // We have an iso8601 in an integer field (we think)
@@ -127,7 +127,7 @@ fn parseInternal(comptime T: type, element: *xml.Element, options: ParseOptions)
                 return e;
             };
         },
-        .Int, .ComptimeInt => {
+        .int, .comptime_int => {
             // 2021-10-05T16:39:45.000Z
             return std.fmt.parseInt(T, element.children.items[0].CharData, 10) catch |e| {
                 if (element.children.items[0].CharData[element.children.items[0].CharData.len - 1] == 'Z') {
@@ -152,7 +152,7 @@ fn parseInternal(comptime T: type, element: *xml.Element, options: ParseOptions)
                 return e;
             };
         },
-        .Optional => |optional_info| {
+        .optional => |optional_info| {
             if (element.children.items.len == 0) {
                 // This is almost certainly incomplete. Empty strings? xsi:nil?
                 return null;
@@ -162,7 +162,7 @@ fn parseInternal(comptime T: type, element: *xml.Element, options: ParseOptions)
                 return try parseInternal(optional_info.child, element, options);
             }
         },
-        .Enum => |enum_info| {
+        .@"enum" => |enum_info| {
             _ = enum_info;
             // const numeric: ?enum_info.tag_type = std.fmt.parseInt(enum_info.tag_type, element.children.items[0].CharData, 10) catch null;
             // if (numeric) |num| {
@@ -172,7 +172,7 @@ fn parseInternal(comptime T: type, element: *xml.Element, options: ParseOptions)
             //     return std.meta.stringToEnum(T, element.CharData);
             // }
         },
-        .Union => |union_info| {
+        .@"union" => |union_info| {
             if (union_info.tag_type) |_| {
                 // try each of the union fields until we find one that matches
                 // inline for (union_info.fields) |u_field| {
@@ -195,7 +195,7 @@ fn parseInternal(comptime T: type, element: *xml.Element, options: ParseOptions)
             }
             @compileError("Unable to parse into untagged union '" ++ @typeName(T) ++ "'");
         },
-        .Struct => |struct_info| {
+        .@"struct" => |struct_info| {
             var r: T = undefined;
             var fields_seen = [_]bool{false} ** struct_info.fields.len;
             var fields_set: u64 = 0;
@@ -250,7 +250,7 @@ fn parseInternal(comptime T: type, element: *xml.Element, options: ParseOptions)
                     fields_set = fields_set + 1;
                     found_value = true;
                 }
-                if (@typeInfo(field.type) == .Optional) {
+                if (@typeInfo(field.type) == .optional) {
                     // Test "compiler assertion failure 2"
                     // Zig compiler bug circa 0.9.0. Using "and !found_value"
                     // in the if statement above will trigger assertion failure
@@ -275,7 +275,7 @@ fn parseInternal(comptime T: type, element: *xml.Element, options: ParseOptions)
                 return error.FieldElementMismatch; // see fields_seen for details
             return r;
         },
-        .Array => //|array_info| {
+        .array => //|array_info| {
         return error.ArrayNotImplemented,
         // switch (token) {
         //     .ArrayBegin => {
@@ -310,7 +310,7 @@ fn parseInternal(comptime T: type, element: *xml.Element, options: ParseOptions)
         //     else => return error.UnexpectedToken,
         // }
         // },
-        .Pointer => |ptr_info| {
+        .pointer => |ptr_info| {
             const allocator = options.allocator orelse return error.AllocatorRequired;
             switch (ptr_info.size) {
                 .One => {