diff --git a/external/solanaceae_plugin b/external/solanaceae_plugin
index 96bab020..75e7c5e3 160000
--- a/external/solanaceae_plugin
+++ b/external/solanaceae_plugin
@@ -1 +1 @@
-Subproject commit 96bab0200f5b13671756abe7e3132ed78aaa2a40
+Subproject commit 75e7c5e3c77ecd5e03ad0a1429e3a5fc6d067408
diff --git a/src/chat_gui4.cpp b/src/chat_gui4.cpp
index 31547d4e..7c6e8076 100644
--- a/src/chat_gui4.cpp
+++ b/src/chat_gui4.cpp
@@ -51,7 +51,7 @@ ChatGui4::ChatGui4(
 ) : _conf(conf), _rmm(rmm), _cr(cr), _tal(_cr), _contact_tc(_tal, tu), _msg_tc(_mil, tu), _sip(tu) {
 }
 
-void ChatGui4::render(void) {
+void ChatGui4::render(float time_delta) {
 	if (!_cr.storage<Contact::Components::TagAvatarInvalidate>().empty()) { // handle force-reloads for avatars
 		std::vector<Contact3> to_purge;
 		_cr.view<Contact::Components::TagAvatarInvalidate>().each([&to_purge](const Contact3 c) {
@@ -66,7 +66,7 @@ void ChatGui4::render(void) {
 	_msg_tc.update();
 
 	_fss.render();
-	_sip.render();
+	_sip.render(time_delta);
 
 	const ImGuiViewport* viewport = ImGui::GetMainViewport();
 	ImGui::SetNextWindowPos(viewport->WorkPos);
diff --git a/src/chat_gui4.hpp b/src/chat_gui4.hpp
index df7d3754..2ae8a030 100644
--- a/src/chat_gui4.hpp
+++ b/src/chat_gui4.hpp
@@ -46,7 +46,7 @@ class ChatGui4 {
 		);
 
 	public:
-		void render(void);
+		void render(float time_delta);
 
 	public:
 		bool any_unread {false};
diff --git a/src/main_screen.cpp b/src/main_screen.cpp
index f2ff8693..a15fc487 100644
--- a/src/main_screen.cpp
+++ b/src/main_screen.cpp
@@ -140,13 +140,7 @@ bool MainScreen::handleEvent(SDL_Event& e) {
 	return false;
 }
 
-Screen* MainScreen::render(float time_delta, bool& quit) {
-	quit = !tc.iterate();
-
-	tcm.iterate(time_delta);
-
-	tam.iterate();
-
+Screen* MainScreen::render(float time_delta, bool&) {
 	// HACK: render the tomato main window first, with proper flags set.
 	// flags need to be set the first time begin() is called.
 	// and plugins are run before the main cg is run.
@@ -164,15 +158,12 @@ Screen* MainScreen::render(float time_delta, bool& quit) {
 		ImGui::End();
 	}
 
-	pm.tick(time_delta);
-	tdch.tick(time_delta);
+	const float pm_interval = pm.render(time_delta); // render
 
-	mts.iterate();
-
-	cg.render();
-	sw.render();
-	tuiu.render();
-	tdch.render();
+	cg.render(time_delta); // render
+	sw.render(); // render
+	tuiu.render(); // render
+	tdch.render(); // render
 
 	{ // main window menubar injection
 		if (ImGui::Begin("tomato")) {
@@ -189,7 +180,7 @@ Screen* MainScreen::render(float time_delta, bool& quit) {
 						const auto targets = "normal\0powersave\0";
 						ImGui::SetNextItemWidth(ImGui::GetFontSize()*10);
 						ImGui::Combo("compute mode", &_compute_perf_mode, targets, 4);
-						ImGui::SetItemTooltip("Limiting compute can slow down things filetransfers.");
+						ImGui::SetItemTooltip("Limiting compute can slow down things like filetransfers!");
 					}
 
 					ImGui::EndMenu();
@@ -207,22 +198,40 @@ Screen* MainScreen::render(float time_delta, bool& quit) {
 	}
 
 	if (
-		_fps_perf_mode >= 1 || // TODO: magic
+		_fps_perf_mode > 1 // TODO: magic
+	) {
+		// powersave forces 250ms
+		_render_interval = 1.f/4.f;
+	} else if (
+		_fps_perf_mode == 1 || // TODO: magic
 		_window_hidden
 	) {
-		_render_interval = 1.f/4.f;
+		_render_interval = std::min<float>(1.f/4.f, pm_interval);
 	} else {
-		_render_interval = 1.f/60.f;
+		_render_interval = std::min<float>(1.f/60.f, pm_interval);
 	}
 
 	return nullptr;
 }
 
 Screen* MainScreen::tick(float time_delta, bool& quit) {
+	quit = !tc.iterate(); // compute
+
+	tcm.iterate(time_delta); // compute
+
+	tam.iterate(); // compute
+
+	const float pm_interval = pm.tick(time_delta); // compute
+
+	tdch.tick(time_delta); // compute
+
+	mts.iterate(); // compute
+
 	_min_tick_interval = std::max<float>(
 		std::min<float>(
 			tc.toxIterationInterval()/1000.f,
-			0.03f // HACK: 30ms upper bound, should be the same as tox but will change
+			pm_interval
+			//0.03f // HACK: 30ms upper bound, should be the same as tox but will change
 		),
 		(_compute_perf_mode == 0 ? 0.001f : 0.1f) // in powersave fix the lowerbound to 100ms
 	);
diff --git a/src/send_image_popup.cpp b/src/send_image_popup.cpp
index 17069573..00ff6864 100644
--- a/src/send_image_popup.cpp
+++ b/src/send_image_popup.cpp
@@ -158,7 +158,7 @@ void SendImagePopup::sendMemory(
 
 }
 
-void SendImagePopup::render(void) {
+void SendImagePopup::render(float time_delta) {
 	if (_open_popup) {
 		_open_popup = false;
 		ImGui::OpenPopup("send image##SendImagePopup");
@@ -171,7 +171,7 @@ void SendImagePopup::render(void) {
 
 		preview_image.doAnimation(getNowMS());
 
-		time += 1.f/60.f; // TODO: actual delay
+		time += time_delta;
 		time = fmod(time, 1.f); // fract()
 
 		//ImGui::Text("send file....\n......");
diff --git a/src/send_image_popup.hpp b/src/send_image_popup.hpp
index d334d0b5..2e5f0008 100644
--- a/src/send_image_popup.hpp
+++ b/src/send_image_popup.hpp
@@ -71,6 +71,6 @@ struct SendImagePopup {
 		// from file_path
 
 		// call this each frame
-		void render(void);
+		void render(float time_delta);
 };