diff --git a/code/__DEFINES/_versions.dm b/code/__DEFINES/_versions.dm
new file mode 100644
index 00000000000..83a18de6f73
--- /dev/null
+++ b/code/__DEFINES/_versions.dm
@@ -0,0 +1,2 @@
+/// Version of RUST-G that this codebase wants
+#define RUST_G_VERSION "0.5.0-P"
diff --git a/code/__DEFINES/rust_g.dm b/code/__DEFINES/rust_g.dm
index 6a331a6131f..4ee84eda941 100644
--- a/code/__DEFINES/rust_g.dm
+++ b/code/__DEFINES/rust_g.dm
@@ -1,80 +1,130 @@
+// rust_g.dm - DM API for rust_g extension library
+//
+// To configure, create a `rust_g.config.dm` and set what you care about from
+// the following options:
+//
+// #define RUST_G "path/to/rust_g"
+// Override the .dll/.so detection logic with a fixed path or with detection
+// logic of your own.
+//
+// #define RUSTG_OVERRIDE_BUILTINS
+// Enable replacement rust-g functions for certain builtins. Off by default.
+
 #ifndef RUST_G
-/// Locator for the RUSTG DLL or SO depending on system type. Override if needed.
-#define RUST_G (world.system_type == UNIX ? "./librust_g.so" : "./rust_g.dll")
+// Default automatic RUST_G detection.
+// On Windows, looks in the standard places for `rust_g.dll`.
+// On Linux, looks in `.`, `$LD_LIBRARY_PATH`, and `~/.byond/bin` for either of
+// `librust_g.so` (preferred) or `rust_g` (old).
+
+/* This comment bypasses grep checks */ /var/__rust_g
+
+/proc/__detect_rust_g()
+	if (world.system_type == UNIX)
+		if (fexists("./librust_g.so"))
+			// No need for LD_LIBRARY_PATH badness.
+			return __rust_g = "./librust_g.so"
+		else if (fexists("./rust_g"))
+			// Old dumb filename.
+			return __rust_g = "./rust_g"
+		else if (fexists("[world.GetConfig("env", "HOME")]/.byond/bin/rust_g"))
+			// Old dumb filename in `~/.byond/bin`.
+			return __rust_g = "rust_g"
+		else
+			// It's not in the current directory, so try others
+			return __rust_g = "librust_g.so"
+	else
+		return __rust_g = "rust_g.dll"
+
+#define RUST_G (__rust_g || __detect_rust_g())
 #endif
 
-// Gets the version of RUSTG
+/// Gets the version of rust_g
 /proc/rustg_get_version() return call(RUST_G, "get_version")()
 
-// Defines for internal job subsystem //
-#define RUSTG_JOB_NO_RESULTS_YET "NO RESULTS YET"
-#define RUSTG_JOB_NO_SUCH_JOB "NO SUCH JOB"
-#define RUSTG_JOB_ERROR "JOB PANICKED"
+// Cellular Noise Operations //
 
-// DMI related operations //
+/**
+ * This proc generates a cellular automata noise grid which can be used in procedural generation methods.
+ *
+ * Returns a single string that goes row by row, with values of 1 representing an alive cell, and a value of 0 representing a dead cell.
+ *
+ * Arguments:
+ * * percentage: The chance of a turf starting closed
+ * * smoothing_iterations: The amount of iterations the cellular automata simulates before returning the results
+ * * birth_limit: If the number of neighboring cells is higher than this amount, a cell is born
+ * * death_limit: If the number of neighboring cells is lower than this amount, a cell dies
+ * * width: The width of the grid.
+ * * height: The height of the grid.
+ */
+#define rustg_cnoise_generate(percentage, smoothing_iterations, birth_limit, death_limit, width, height) \
+	call(RUST_G, "cnoise_generate")(percentage, smoothing_iterations, birth_limit, death_limit, width, height)
+
+// DMI Operations //
 #define rustg_dmi_strip_metadata(fname) call(RUST_G, "dmi_strip_metadata")(fname)
 #define rustg_dmi_create_png(path, width, height, data) call(RUST_G, "dmi_create_png")(path, width, height, data)
+#define rustg_dmi_resize_png(path, width, height, resizetype) call(RUST_G, "dmi_resize_png")(path, width, height, resizetype)
 
-// Noise related operations //
-#define rustg_noise_get_at_coordinates(seed, x, y) call(RUST_G, "noise_get_at_coordinates")(seed, x, y)
-
-// File related operations //
+// File Operations //
 #define rustg_file_read(fname) call(RUST_G, "file_read")(fname)
+#define rustg_file_exists(fname) call(RUST_G, "file_exists")(fname)
 #define rustg_file_write(text, fname) call(RUST_G, "file_write")(text, fname)
 #define rustg_file_append(text, fname) call(RUST_G, "file_append")(text, fname)
 
 #ifdef RUSTG_OVERRIDE_BUILTINS
-#define file2text(fname) rustg_file_read(fname)
-#define text2file(text, fname) rustg_file_append(text, fname)
+	#define file2text(fname) rustg_file_read("[fname]")
+	#define text2file(text, fname) rustg_file_append(text, "[fname]")
 #endif
 
-// Git related operations //
+// Git Operations //
 #define rustg_git_revparse(rev) call(RUST_G, "rg_git_revparse")(rev)
 #define rustg_git_commit_date(rev) call(RUST_G, "rg_git_commit_date")(rev)
 
-// Hash related operations //
+// Hashing Operations //
 #define rustg_hash_string(algorithm, text) call(RUST_G, "hash_string")(algorithm, text)
 #define rustg_hash_file(algorithm, fname) call(RUST_G, "hash_file")(algorithm, fname)
+#define rustg_hash_generate_totp(seed) call(RUST_G, "generate_totp")(seed)
+#define rustg_hash_generate_totp_tolerance(seed, tolerance) call(RUST_G, "generate_totp_tolerance")(seed, tolerance)
 
 #define RUSTG_HASH_MD5 "md5"
 #define RUSTG_HASH_SHA1 "sha1"
 #define RUSTG_HASH_SHA256 "sha256"
 #define RUSTG_HASH_SHA512 "sha512"
+#define RUSTG_HASH_XXH64 "xxh64"
+#define RUSTG_HASH_BASE64 "base64"
 
 #ifdef RUSTG_OVERRIDE_BUILTINS
-#define md5(thing) (isfile(thing) ? rustg_hash_file(RUSTG_HASH_MD5, "[thing]") : rustg_hash_string(RUSTG_HASH_MD5, thing))
+	#define md5(thing) (isfile(thing) ? rustg_hash_file(RUSTG_HASH_MD5, "[thing]") : rustg_hash_string(RUSTG_HASH_MD5, thing))
 #endif
 
-// Logging stuff //
-#define rustg_log_write(fname, text) call(RUST_G, "log_write")(fname, text)
-/proc/rustg_log_close_all() return call(RUST_G, "log_close_all")()
-
-// URL encoding stuff
-#define rustg_url_encode(text) call(RUST_G, "url_encode")(text)
-#define rustg_url_decode(text) call(RUST_G, "url_decode")(text)
-
-#ifdef RUSTG_OVERRIDE_BUILTINS
-#define url_encode(text) rustg_url_encode(text)
-#define url_decode(text) rustg_url_decode(text)
-#endif
-
-// HTTP library stuff //
+// HTTP Operations //
 #define RUSTG_HTTP_METHOD_GET "get"
 #define RUSTG_HTTP_METHOD_PUT "put"
 #define RUSTG_HTTP_METHOD_DELETE "delete"
 #define RUSTG_HTTP_METHOD_PATCH "patch"
 #define RUSTG_HTTP_METHOD_HEAD "head"
 #define RUSTG_HTTP_METHOD_POST "post"
-
-// Commented out because this thing locks up the entire DD process when you use it
-// DO NOT USE FOR THE LOVE OF GOD
-// #define rustg_http_request_blocking(method, url, body, headers) call(RUST_G, "http_request_blocking")(method, url, body, headers)
-#define rustg_http_request_async(method, url, body, headers) call(RUST_G, "http_request_async")(method, url, body, headers)
+#define rustg_http_request_blocking(method, url, body, headers, options) call(RUST_G, "http_request_blocking")(method, url, body, headers, options)
+#define rustg_http_request_async(method, url, body, headers, options) call(RUST_G, "http_request_async")(method, url, body, headers, options)
 #define rustg_http_check_request(req_id) call(RUST_G, "http_check_request")(req_id)
 /proc/rustg_create_async_http_client() return call(RUST_G, "start_http_client")()
 /proc/rustg_close_async_http_client() return call(RUST_G, "shutdown_http_client")()
 
-// SQL stuff //
+// Jobs Subsystem Operations //
+#define RUSTG_JOB_NO_RESULTS_YET "NO RESULTS YET"
+#define RUSTG_JOB_NO_SUCH_JOB "NO SUCH JOB"
+#define RUSTG_JOB_ERROR "JOB PANICKED"
+
+// JSON Operations //
+#define rustg_json_is_valid(text) (call(RUST_G, "json_is_valid")(text) == "true")
+
+// Logging Operations //
+#define rustg_log_write(fname, text) call(RUST_G, "log_write")(fname, text)
+/proc/rustg_log_close_all() return call(RUST_G, "log_close_all")()
+
+// Noise Operations //
+#define rustg_noise_get_at_coordinates(seed, x, y) call(RUST_G, "noise_get_at_coordinates")(seed, x, y)
+
+// SQL Opeartions //
 #define rustg_sql_connect_pool(options) call(RUST_G, "sql_connect_pool")(options)
 #define rustg_sql_query_async(handle, query, params) call(RUST_G, "sql_query_async")(handle, query, params)
 #define rustg_sql_query_blocking(handle, query, params) call(RUST_G, "sql_query_blocking")(handle, query, params)
@@ -82,8 +132,19 @@
 #define rustg_sql_disconnect_pool(handle) call(RUST_G, "sql_disconnect_pool")(handle)
 #define rustg_sql_check_query(job_id) call(RUST_G, "sql_check_query")("[job_id]")
 
-// toml2json stuff //
-#define rustg_toml2json(tomlfile) call(RUST_G, "toml2json")(tomlfile)
+// TOML Operations //
+#define rustg_read_toml_file(path) json_decode(call(RUST_G, "toml_file_to_json")(path) || "null")
+
+// Unzip Operations //
+#define rustg_unzip_download_async(url, unzip_directory) call(RUST_G, "unzip_download_async")(url, unzip_directory)
+#define rustg_unzip_check(job_id) call(RUST_G, "unzip_check")("[job_id]")
+
+// URL Encoder/Decoder Operations //
+#define rustg_url_encode(text) call(RUST_G, "url_encode")("[text]")
+#define rustg_url_decode(text) call(RUST_G, "url_decode")(text)
+
+#ifdef RUSTG_OVERRIDE_BUILTINS
+	#define url_encode(text) rustg_url_encode(text)
+	#define url_decode(text) rustg_url_decode(text)
+#endif
 
-// RUSTG Version //
-#define RUST_G_VERSION "0.4.5-P3"
diff --git a/code/controllers/configuration/configuration_core.dm b/code/controllers/configuration/configuration_core.dm
index d9494c31652..2a97b937c8e 100644
--- a/code/controllers/configuration/configuration_core.dm
+++ b/code/controllers/configuration/configuration_core.dm
@@ -85,8 +85,7 @@ GLOBAL_DATUM_INIT(configuration, /datum/server_configuration, new())
 	var/config_file = "config/config.toml"
 	if(!fexists(config_file))
 		config_file = "config/example/config.toml" // Fallback to example if user hasnt setup config properly
-	var/raw_json = rustg_toml2json(config_file)
-	var/list/raw_config_data = json_decode(raw_json)
+	var/raw_config_data = rustg_read_toml_file(config_file)
 
 	// Now pass through all our stuff
 	admin.load_data(raw_config_data["admin_configuration"])
diff --git a/code/datums/http.dm b/code/datums/http.dm
index e7ba1620854..6679b859c65 100644
--- a/code/datums/http.dm
+++ b/code/datums/http.dm
@@ -19,6 +19,8 @@
 	var/headers
 	/// URL that the request is being sent to
 	var/url
+	/// If present, response body will be saved to this file.
+	var/output_file
 	/// The raw response, which will be decoeded into a [/datum/http_response]
 	var/_raw_response
 	/// Callback for executing after async requests. Will be called with an argument of [/datum/http_response] as first argument
@@ -42,7 +44,7 @@ THE METHODS IN THIS FILE ARE TO BE USED BY THE SUBSYSTEM AS A MANGEMENT HUB
   * * _body - The body of the request, if applicable
   * * _headers - Associative list of HTTP headers to send, if applicab;e
   */
-/datum/http_request/proc/prepare(_method, _url, _body = "", list/_headers)
+/datum/http_request/proc/prepare(_method, _url, _body = "", list/_headers, _output_file)
 	if(!length(_headers))
 		headers = ""
 	else
@@ -51,6 +53,7 @@ THE METHODS IN THIS FILE ARE TO BE USED BY THE SUBSYSTEM AS A MANGEMENT HUB
 	method = _method
 	url = _url
 	body = _body
+	output_file = _output_file
 
 /**
   * Blocking executor
@@ -60,7 +63,7 @@ THE METHODS IN THIS FILE ARE TO BE USED BY THE SUBSYSTEM AS A MANGEMENT HUB
   */
 /datum/http_request/proc/execute_blocking()
 	CRASH("Attempted to execute a blocking HTTP request")
-	// _raw_response = rustg_http_request_blocking(method, url, body, headers)
+	// _raw_response = rustg_http_request_blocking(method, url, body, headers, build_options())
 
 /**
   * Async execution starter
@@ -73,7 +76,7 @@ THE METHODS IN THIS FILE ARE TO BE USED BY THE SUBSYSTEM AS A MANGEMENT HUB
 	if(in_progress)
 		CRASH("Attempted to re-use a request object.")
 
-	id = rustg_http_request_async(method, url, body, headers)
+	id = rustg_http_request_async(method, url, body, headers, build_options())
 
 	if(isnull(text2num(id)))
 		_raw_response = "Proc error: [id]"
@@ -81,6 +84,16 @@ THE METHODS IN THIS FILE ARE TO BE USED BY THE SUBSYSTEM AS A MANGEMENT HUB
 	else
 		in_progress = TRUE
 
+/**
+  * Options builder
+  *
+  * Builds options for if we want to download files with SShttp
+  */
+/datum/http_request/proc/build_options()
+	if(output_file)
+		return json_encode(list("output_filename" = output_file, "body_filename" = null))
+	return null
+
 /**
   * Async completion checker
   *
diff --git a/librust_g.so b/librust_g.so
index 1f059e0b2ce..63d3e053d9e 100644
Binary files a/librust_g.so and b/librust_g.so differ
diff --git a/paradise.dme b/paradise.dme
index dfcad75c3b4..3335290c461 100644
--- a/paradise.dme
+++ b/paradise.dme
@@ -23,6 +23,7 @@
 #include "code\__DEFINES\_spacemandmm.dm"
 #include "code\__DEFINES\_tgs_defines.dm"
 #include "code\__DEFINES\_tick.dm"
+#include "code\__DEFINES\_versions.dm"
 #include "code\__DEFINES\access.dm"
 #include "code\__DEFINES\admin.dm"
 #include "code\__DEFINES\antagonists.dm"
diff --git a/rust_g.dll b/rust_g.dll
index ed4ac5bc38b..a4b6f9074bd 100644
Binary files a/rust_g.dll and b/rust_g.dll differ
diff --git a/tools/ci/validate_rustg_windows.py b/tools/ci/validate_rustg_windows.py
index 787bafb9a60..1c3c883ae5e 100644
--- a/tools/ci/validate_rustg_windows.py
+++ b/tools/ci/validate_rustg_windows.py
@@ -37,7 +37,7 @@ else:
     fail("RUSTG DM header file does NOT exist")
 
 # Parse the version from the DM file
-f = open("code/__DEFINES/rust_g.dm", "r")
+f = open("code/__DEFINES/_versions.dm", "r")
 lines = f.readlines()
 f.close()
 dm_version = None
@@ -92,16 +92,16 @@ else:
 # Make sure we can parse TOML
 string_array = c_char_p * 1
 sa = string_array(bytes(ci_toml_file_location, "ascii"))
-rustg_dll.toml2json.argtypes = [c_int, c_char_p * 1]
+rustg_dll.toml_file_to_json.argtypes = [c_int, c_char_p * 1]
 # Set args for JSON retrieval
-rustg_dll.toml2json.restype = c_char_p
+rustg_dll.toml_file_to_json.restype = c_char_p
 
 try:
     # Run it
-    output_json = rustg_dll.toml2json(1, sa).decode()
+    output_json = rustg_dll.toml_file_to_json(1, sa).decode()
     json.loads(output_json)
-    success("toml2json conversion successful")
+    success("toml_file_to_json successful")
 except Exception:
-    fail("Failed to convert toml2json")
+    fail("Failed to run toml_file_to_json")
 
 exit(0) # Success