diff --git a/index.html b/index.html
index 359cac6a..08d6ada3 100644
--- a/index.html
+++ b/index.html
@@ -1237,6 +1237,10 @@
                 <td><select id="styleStatesBodyFilter" /></td>
               </tr>
 
+              <tr style="margin-top: 1em">
+                <td><em>Halo is disabled if "Rendering" option is set to "Best performance"</em></td>
+              </tr>
+
               <tr data-tip="Set states halo effect width">
                 <td>Halo width</td>
                 <td>
@@ -1253,7 +1257,7 @@
                 </td>
               </tr>
 
-              <tr data-tip="Select halo effect power (blur). Set to 0 to make it solid line">
+              <tr data-tip="Select halo effect power (blur). Set to 0 to make it solid line" style="margin-bottom: 1em">
                 <td>Halo blur</td>
                 <td>
                   <input id="styleStatesHaloBlur" type="range" min="0" max="10" step="0.01" value="4" />
@@ -1874,9 +1878,9 @@
               </td>
             </tr>
 
-            <tr data-tip="Select shape rendering model">
+            <tr data-tip="Select rendering model. Try to set to 'optimized' if you face performance issues">
               <td></td>
-              <td>Shape rendering</td>
+              <td>Rendering</td>
               <td>
                 <select id="shapeRendering" data-stored="shapeRendering">
                   <option value="geometricPrecision" selected>Best quality</option>
@@ -7801,11 +7805,11 @@
     <script src="config/heightmap-templates.js"></script>
     <script src="config/precreated-heightmaps.js"></script>
     <script src="modules/heightmap-generator.js"></script>
-    <script src="modules/ocean-layers.js"></script>
+    <script src="modules/ocean-layers.js?v=1.87.15"></script>
     <script src="modules/river-generator.js"></script>
     <script src="modules/lakes.js"></script>
-    <script src="modules/names-generator.js"></script>
-    <script src="modules/cultures-generator.js"></script>
+    <script src="modules/names-generator.js?v=1.87.14"></script>
+    <script src="modules/cultures-generator.js?v=1.87.14"></script>
     <script src="modules/burgs-and-states.js?v=1.87.10"></script>
     <script src="modules/routes-generator.js?v=1.87.14"></script>
     <script src="modules/religions-generator.js"></script>
@@ -7822,8 +7826,8 @@
     <script src="modules/ui/stylePresets.js"></script>
 
     <script src="modules/ui/general.js?v=1.87.00"></script>
-    <script src="modules/ui/options.js?v=1.87.11"></script>
-    <script src="main.js"></script>
+    <script src="modules/ui/options.js?v=1.87.15"></script>
+    <script src="main.js?v=1.87.15"></script>
 
     <script defer src="modules/relief-icons.js"></script>
     <script defer src="modules/ui/style.js"></script>
diff --git a/main.js b/main.js
index f443111d..36a59cae 100644
--- a/main.js
+++ b/main.js
@@ -82,7 +82,13 @@ let burgIcons = icons.append("g").attr("id", "burgIcons");
 let anchors = icons.append("g").attr("id", "anchors");
 let armies = viewbox.append("g").attr("id", "armies").style("display", "none");
 let markers = viewbox.append("g").attr("id", "markers");
-let fogging = viewbox.append("g").attr("id", "fogging-cont").attr("mask", "url(#fog)").append("g").attr("id", "fogging").style("display", "none");
+let fogging = viewbox
+  .append("g")
+  .attr("id", "fogging-cont")
+  .attr("mask", "url(#fog)")
+  .append("g")
+  .attr("id", "fogging")
+  .style("display", "none");
 let ruler = viewbox.append("g").attr("id", "ruler").style("display", "none");
 let debug = viewbox.append("g").attr("id", "debug");
 
@@ -119,11 +125,20 @@ emblems.append("g").attr("id", "stateEmblems");
 
 // fogging
 fogging.append("rect").attr("x", 0).attr("y", 0).attr("width", "100%").attr("height", "100%");
-fogging.append("rect").attr("x", 0).attr("y", 0).attr("width", "100%").attr("height", "100%").attr("fill", "#e8f0f6").attr("filter", "url(#splotch)");
+fogging
+  .append("rect")
+  .attr("x", 0)
+  .attr("y", 0)
+  .attr("width", "100%")
+  .attr("height", "100%")
+  .attr("fill", "#e8f0f6")
+  .attr("filter", "url(#splotch)");
 
 // assign events separately as not a viewbox child
 scaleBar.on("mousemove", () => tip("Click to open Units Editor")).on("click", () => editUnits());
-legend.on("mousemove", () => tip("Drag to change the position. Click to hide the legend")).on("click", () => clearLegend());
+legend
+  .on("mousemove", () => tip("Drag to change the position. Click to hide the legend"))
+  .on("click", () => clearLegend());
 
 // main data variables
 let grid = {}; // initial graph based on jittered square grid and data
@@ -189,8 +204,20 @@ let svgWidth = graphWidth;
 let svgHeight = graphHeight;
 
 landmass.append("rect").attr("x", 0).attr("y", 0).attr("width", graphWidth).attr("height", graphHeight);
-oceanPattern.append("rect").attr("fill", "url(#oceanic)").attr("x", 0).attr("y", 0).attr("width", graphWidth).attr("height", graphHeight);
-oceanLayers.append("rect").attr("id", "oceanBase").attr("x", 0).attr("y", 0).attr("width", graphWidth).attr("height", graphHeight);
+oceanPattern
+  .append("rect")
+  .attr("fill", "url(#oceanic)")
+  .attr("x", 0)
+  .attr("y", 0)
+  .attr("width", graphWidth)
+  .attr("height", graphHeight);
+oceanLayers
+  .append("rect")
+  .attr("id", "oceanBase")
+  .attr("x", 0)
+  .attr("y", 0)
+  .attr("width", graphWidth)
+  .attr("height", graphHeight);
 
 document.addEventListener("DOMContentLoaded", async () => {
   if (!location.hostname) {
@@ -421,7 +448,21 @@ function applyDefaultBiomesSystem() {
     "Glacier",
     "Wetland"
   ];
-  const color = ["#466eab", "#fbe79f", "#b5b887", "#d2d082", "#c8d68f", "#b6d95d", "#29bc56", "#7dcb35", "#409c43", "#4b6b32", "#96784b", "#d5e7eb", "#0b9131"];
+  const color = [
+    "#466eab",
+    "#fbe79f",
+    "#b5b887",
+    "#d2d082",
+    "#c8d68f",
+    "#b6d95d",
+    "#29bc56",
+    "#7dcb35",
+    "#409c43",
+    "#4b6b32",
+    "#96784b",
+    "#d5e7eb",
+    "#0b9131"
+  ];
   const habitability = [0, 4, 10, 22, 30, 50, 100, 80, 90, 12, 4, 0, 12];
   const iconsDensity = [0, 3, 2, 120, 120, 120, 120, 150, 150, 100, 5, 0, 150];
   const icons = [
@@ -509,6 +550,8 @@ function getViewBoxExtent() {
 
 // active zooming feature
 function invokeActiveZooming() {
+  const isOptimized = shapeRendering.value === "optimizeSpeed";
+
   if (coastline.select("#sea_island").size() && +coastline.select("#sea_island").attr("auto-filter")) {
     // toggle shade/blur filter for coatline on zoom
     const filter = scale > 1.5 && scale <= 2.6 ? null : scale > 2.6 ? "url(#blurFilter)" : "url(#dropShadow)";
@@ -536,7 +579,8 @@ function invokeActiveZooming() {
       const hidden = hideEmblems.checked && (size < 25 || size > 300);
       if (hidden) this.classList.add("hidden");
       else this.classList.remove("hidden");
-      if (!hidden && window.COArenderer && this.children.length && !this.children[0].getAttribute("href")) renderGroupCOAs(this);
+      if (!hidden && window.COArenderer && this.children.length && !this.children[0].getAttribute("href"))
+        renderGroupCOAs(this);
     });
   }
 
@@ -547,7 +591,7 @@ function invokeActiveZooming() {
     .attr("opacity", scale > 10 ? 0.2 : null);
 
   // change states halo width
-  if (!customization) {
+  if (!customization && !isOptimized) {
     const desired = +statesHalo.attr("data-width");
     const haloSize = rn(desired / scale ** 0.8, 2);
     statesHalo.attr("stroke-width", haloSize).style("display", haloSize > 0.1 ? "block" : "none");
@@ -575,7 +619,12 @@ function invokeActiveZooming() {
 }
 
 async function renderGroupCOAs(g) {
-  const [group, type] = g.id === "burgEmblems" ? [pack.burgs, "burg"] : g.id === "provinceEmblems" ? [pack.provinces, "province"] : [pack.states, "state"];
+  const [group, type] =
+    g.id === "burgEmblems"
+      ? [pack.burgs, "burg"]
+      : g.id === "provinceEmblems"
+      ? [pack.provinces, "province"]
+      : [pack.states, "state"];
   for (let use of g.children) {
     const i = +use.dataset.i;
     const id = type + "COA" + i;
@@ -1547,7 +1596,9 @@ function addZones(number = 1) {
     const invader = ra(atWar);
     const target = invader.diplomacy.findIndex(d => d === "Enemy");
 
-    const cell = ra(cells.i.filter(i => cells.state[i] === target && cells.c[i].some(c => cells.state[c] === invader.i)));
+    const cell = ra(
+      cells.i.filter(i => cells.state[i] === target && cells.c[i].some(c => cells.state[c] === invader.i))
+    );
     if (!cell) return;
 
     const cellsArray = [],
@@ -1589,7 +1640,9 @@ function addZones(number = 1) {
 
     const neib = ra(state.neighbors.filter(n => n && !states[n].removed));
     if (!neib) return;
-    const cell = cells.i.find(i => cells.state[i] === state.i && !state.removed && cells.c[i].some(c => cells.state[c] === neib));
+    const cell = cells.i.find(
+      i => cells.state[i] === state.i && !state.removed && cells.c[i].some(c => cells.state[c] === neib)
+    );
     const cellsArray = [];
     const queue = [];
     if (cell) queue.push(cell);
@@ -1610,7 +1663,17 @@ function addZones(number = 1) {
       });
     }
 
-    const rebels = rw({Rebels: 5, Insurgents: 2, Mutineers: 1, Rioters: 1, Separatists: 1, Secessionists: 1, Insurrection: 2, Rebellion: 1, Conspiracy: 2});
+    const rebels = rw({
+      Rebels: 5,
+      Insurgents: 2,
+      Mutineers: 1,
+      Rioters: 1,
+      Separatists: 1,
+      Secessionists: 1,
+      Insurrection: 2,
+      Rebellion: 1,
+      Conspiracy: 2
+    });
     const name = getAdjective(states[neib].name) + " " + rebels;
     zonesData.push({name, type: "Rebels", cells: cellsArray, fill: "url(#hatch3)"});
   }
@@ -1619,7 +1682,14 @@ function addZones(number = 1) {
     const organized = ra(pack.religions.filter(r => r.type === "Organized"));
     if (!organized) return;
 
-    const cell = ra(cells.i.filter(i => cells.religion[i] && cells.religion[i] !== organized.i && cells.c[i].some(c => cells.religion[c] === organized.i)));
+    const cell = ra(
+      cells.i.filter(
+        i =>
+          cells.religion[i] &&
+          cells.religion[i] !== organized.i &&
+          cells.c[i].some(c => cells.religion[c] === organized.i)
+      )
+    );
     if (!cell) return;
     const target = cells.religion[cell];
     const cellsArray = [],
@@ -1685,11 +1755,54 @@ function addZones(number = 1) {
       });
     }
 
-    const adjective = () => ra(["Great", "Silent", "Severe", "Blind", "Unknown", "Loud", "Deadly", "Burning", "Bloody", "Brutal", "Fatal"]);
-    const animal = () => ra(["Ape", "Bear", "Boar", "Cat", "Cow", "Dog", "Pig", "Fox", "Bird", "Horse", "Rat", "Raven", "Sheep", "Spider", "Wolf"]);
-    const color = () => ra(["Golden", "White", "Black", "Red", "Pink", "Purple", "Blue", "Green", "Yellow", "Amber", "Orange", "Brown", "Grey"]);
+    const adjective = () =>
+      ra(["Great", "Silent", "Severe", "Blind", "Unknown", "Loud", "Deadly", "Burning", "Bloody", "Brutal", "Fatal"]);
+    const animal = () =>
+      ra([
+        "Ape",
+        "Bear",
+        "Boar",
+        "Cat",
+        "Cow",
+        "Dog",
+        "Pig",
+        "Fox",
+        "Bird",
+        "Horse",
+        "Rat",
+        "Raven",
+        "Sheep",
+        "Spider",
+        "Wolf"
+      ]);
+    const color = () =>
+      ra([
+        "Golden",
+        "White",
+        "Black",
+        "Red",
+        "Pink",
+        "Purple",
+        "Blue",
+        "Green",
+        "Yellow",
+        "Amber",
+        "Orange",
+        "Brown",
+        "Grey"
+      ]);
 
-    const type = rw({Fever: 5, Pestilence: 2, Flu: 2, Pox: 2, Smallpox: 2, Plague: 4, Cholera: 2, Dropsy: 1, Leprosy: 2});
+    const type = rw({
+      Fever: 5,
+      Pestilence: 2,
+      Flu: 2,
+      Pox: 2,
+      Smallpox: 2,
+      Plague: 4,
+      Cholera: 2,
+      Dropsy: 1,
+      Leprosy: 2
+    });
     const name = rw({[color()]: 4, [animal()]: 2, [adjective()]: 1}) + " " + type;
     zonesData.push({name, type: "Disease", cells: cellsArray, fill: "url(#hatch12)"});
   }
@@ -1812,7 +1925,9 @@ function addZones(number = 1) {
       meanFlux = d3.mean(fl),
       maxFlux = d3.max(fl),
       flux = (maxFlux - meanFlux) / 2 + meanFlux;
-    const rivers = cells.i.filter(i => !used[i] && cells.h[i] < 50 && cells.r[i] && cells.fl[i] > flux && cells.burg[i]);
+    const rivers = cells.i.filter(
+      i => !used[i] && cells.h[i] < 50 && cells.r[i] && cells.fl[i] > flux && cells.burg[i]
+    );
     if (!rivers.length) return;
 
     const cell = +ra(rivers),
diff --git a/modules/cultures-generator.js b/modules/cultures-generator.js
index b1072c22..8a804210 100644
--- a/modules/cultures-generator.js
+++ b/modules/cultures-generator.js
@@ -277,7 +277,8 @@ window.Cultures = (function () {
         {name: "Scythian", base: 24, odd: 0.5, sort: i => n(i) / td(i, 11) ** 0.5 / bd(i, [4]), shield: "round"}, // Iranian
         {name: "Cantabrian", base: 20, odd: 0.5, sort: i => (n(i) / td(i, 16)) * h[i], shield: "oval"}, // Basque
         {name: "Estian", base: 9, odd: 0.2, sort: i => (n(i) / td(i, 5)) * t[i], shield: "pavise"}, // Finnic
-        {name: "Carthaginian", base: 17, odd: 0.3, sort: i => n(i) / td(i, 19) / sf(i), shield: "oval"}, // Berber
+        {name: "Carthaginian", base: 42, odd: 0.3, sort: i => n(i) / td(i, 20) / sf(i), shield: "oval"}, // Levantine
+        {name: "Hebrew", base: 42, odd: 0.2, sort: i => (n(i) / td(i, 19)) * sf(i), shield: "oval"}, // Levantine
         {name: "Mesopotamian", base: 23, odd: 0.2, sort: i => n(i) / td(i, 22) / bd(i, [1, 2, 3]), shield: "oval"} // Mesopotamian
       ];
     }
@@ -468,7 +469,8 @@ window.Cultures = (function () {
       {name: "Kiswaili", base: 28, odd: 0.1, sort: i => n(i) / td(i, 29) / bd(i, [1, 3, 5, 7]), shield: "vesicaPiscis"},
       {name: "Vietic", base: 29, odd: 0.1, sort: i => n(i) / td(i, 25) / bd(i, [7], 7) / t[i], shield: "banner"},
       {name: "Guantzu", base: 30, odd: 0.1, sort: i => n(i) / td(i, 17), shield: "banner"},
-      {name: "Ulus", base: 31, odd: 0.1, sort: i => (n(i) / td(i, 5) / bd(i, [2, 4, 10], 7)) * t[i], shield: "banner"}
+      {name: "Ulus", base: 31, odd: 0.1, sort: i => (n(i) / td(i, 5) / bd(i, [2, 4, 10], 7)) * t[i], shield: "banner"},
+      {name: "Hebrew", base: 42, odd: 0.2, sort: i => (n(i) / td(i, 18)) * sf(i), shield: "oval"} // Levantine
     ];
   };
 
diff --git a/modules/names-generator.js b/modules/names-generator.js
index 222a9d39..da4d9294 100644
--- a/modules/names-generator.js
+++ b/modules/names-generator.js
@@ -142,7 +142,11 @@ window.Names = (function () {
   // generate short name for base
   const getBaseShort = function (base) {
     if (nameBases[base] === undefined) {
-      tip(`Namebase ${base} does not exist. Please upload custom namebases of change the base in Cultures Editor`, false, "error");
+      tip(
+        `Namebase ${base} does not exist. Please upload custom namebases of change the base in Cultures Editor`,
+        false,
+        "error"
+      );
       base = 1;
     }
     const min = nameBases[base].min - 1;
@@ -165,7 +169,8 @@ window.Names = (function () {
     // remove -sk/-ev/-ov for Ruthenian
     else if (base === 12) return vowel(name.slice(-1)) ? name : name + "u";
     // Japanese ends on any vowel or -u
-    else if (base === 18 && P(0.4)) name = vowel(name.slice(0, 1).toLowerCase()) ? "Al" + name.toLowerCase() : "Al " + name; // Arabic starts with -Al
+    else if (base === 18 && P(0.4))
+      name = vowel(name.slice(0, 1).toLowerCase()) ? "Al" + name.toLowerCase() : "Al " + name; // Arabic starts with -Al
 
     // no suffix for fantasy bases
     if (base > 32 && base < 42) return name;
@@ -300,9 +305,22 @@ window.Names = (function () {
       {name: "Giant", i: 38, min: 5, max: 10, d: "kdtng", m: 0, b: "Addund,Aerora,Agane,Anumush,Arangrim,Bahourg,Baragzund,Barakinb,Barakzig,Barakzinb,Baramunz,Barazinb,Beornelde,Beratira,Borgbert,Botharic,Bremrol,Brerstin,Brildung,Brozu,Bundushund,Burthug,Chazruc,Chergun,Churtec,Dagdhor,Dankuc,Darnaric,Debuch,Dina,Dinez,Diru,Drard,Druguk,Dugfast,Duhal,Dulkun,Eldond,Enuz,Eraddam,Eradhelm,Froththorn,Fynwyn,Gabaragz,Gabaram,Gabizir,Gabuzan,Gagkake,Galfald,Galgrim,Gatal,Gazin,Geru,Gila,Giledzir,Girkun,Glumvat,Gluthmark,Gomruch,Gorkege,Gortho,Gostuz,Grimor,Grimtira,Guddud,Gudgiz,Gulwo,Gunargath,Gundusharb,Guril,Gurkale,Guruge,Guzi,Hargarth,Hartreo,Heimfara,Hildlaug,Idgurth,Inez,Inginy,Iora,Irkin,Jaldhor,Jarwar,Jornangar,Jornmoth,Kakkek,Kaltoch,Kegkez,Kengord,Kharbharbiln,Khatharbar,Khathizdin,Khazanar,Khaziragz,Khizdabun,Khizdushel,Khundinarg,Kibarak,Kibizar,Kigine,Kilfond,Kilkan,Kinbadab,Kinbuzar,Koril,Kostand,Kuzake,Lindira,Lingarth,Maerdis,Magald,Marbold,Marbrand,Memron,Minu,Mistoch,Morluch,Mornkin,Morntaric,Nagu,Naragzah,Naramunz,Narazar,Nargabar,Nargatharb,Nargundush,Nargunul,Natan,Natil,Neliz,Nelkun,Noluch,Norginny,Nulbaram,Nulbilnarg,Nuledzah,Nuledzig,Nulukkhaz,Nulukkhur,Nurkel,Oci,Olane,Oldstin,Orga,Ranava,Ranhera,Rannerg,Rirkan,Rizen,Rurki,Rurkoc,Sadgach,Sgandrol,Sharakzar,Shatharbiz,Shathizdush,Shathola,Shizdinar,Sholukkharb,Shundushund,Shurakzund,Sidga,Sigbeorn,Sigbi,Solfod,Somrud,Srokvan,Stighere,Sulduch,Talkale,Theoddan,Theodgrim,Throtrek,Tigkiz,Tolkeg,Toren,Tozage,Tulkug,Tumunzar,Umunzad,Undukkhil,Usharar,Valdhere,Varkud,Velfirth,Velhera,Vigkan,Vorkige,Vozig,Vylwed,Widhyrde,Wylaeya,Yili,Yotane,Yudgor,Yulkake,Zigez,Zugkan,Zugke"},
       {name: "Draconic", i: 39, min: 6, max: 14, d: "aliuszrox", m: 0, b: "Aaronarra,Adalon,Adamarondor,Aeglyl,Aerosclughpalar,Aghazstamn,Aglaraerose,Agoshyrvor,Alduin,Alhazmabad,Altagos,Ammaratha,Amrennathed,Anaglathos,Andrathanach,Araemra,Araugauthos,Arauthator,Arharzel,Arngalor,Arveiaturace,Athauglas,Augaurath,Auntyrlothtor,Azarvilandral,Azhaq,Balagos,Baratathlaer,Bleucorundum,BrazzPolis,Canthraxis,Capnolithyl,Charvekkanathor,Chellewis,Chelnadatilar,Cirrothamalan,Claugiyliamatar,Cragnortherma,Dargentum,Dendeirmerdammarar,Dheubpurcwenpyl,Domborcojh,Draconobalen,Dragansalor,Dupretiskava,Durnehviir,Eacoathildarandus,Eldrisithain,Enixtryx,Eormennoth,Esmerandanna,Evenaelorathos,Faenphaele,Felgolos,Felrivenser,Firkraag,Fll'Yissetat,Furlinastis,Galadaeros,Galglentor,Garnetallisar,Garthammus,Gaulauntyr,Ghaulantatra,Glouroth,Greshrukk,Guyanothaz,Haerinvureem,Haklashara,Halagaster,Halaglathgar,Havarlan,Heltipyre,Hethcypressarvil,Hoondarrh,Icehauptannarthanyx,Iiurrendeem,Ileuthra,Iltharagh,Ingeloakastimizilian,Irdrithkryn,Ishenalyr,Iymrith,Jaerlethket,Jalanvaloss,Jharakkan,Kasidikal,Kastrandrethilian,Khavalanoth,Khuralosothantar,Kisonraathiisar,Kissethkashaan,Kistarianth,Klauth,Klithalrundrar,Krashos,Kreston,Kriionfanthicus,Krosulhah,Krustalanos,Kruziikrel,Kuldrak,Lareth,Latovenomer,Lhammaruntosz,Llimark,Ma'fel'no'sei'kedeh'naar,MaelestorRex,Magarovallanthanz,Mahatnartorian,Mahrlee,Malaeragoth,Malagarthaul,Malazan,Maldraedior,Maldrithor,MalekSalerno,Maughrysear,Mejas,Meliordianix,Merah,Mikkaalgensis,Mirmulnir,Mistinarperadnacles,Miteach,Mithbarazak,Morueme,Moruharzel,Naaslaarum,Nahagliiv,Nalavarauthatoryl,Naxorlytaalsxar,Nevalarich,Nolalothcaragascint,Nurvureem,Nymmurh,Odahviing,Olothontor,Ormalagos,Otaaryliakkarnos,Paarthurnax,Pelath,Pelendralaar,Praelorisstan,Praxasalandos,Protanther,Qiminstiir,Quelindritar,Ralionate,Rathalylaug,Rathguul,Rauglothgor,Raumorthadar,Relonikiv,Ringreemeralxoth,Roraurim,Rynnarvyx,Sablaxaahl,Sahloknir,Sahrotaar,Samdralyrion,Saryndalaghlothtor,Sawaka,Shalamalauth,Shammagar,Sharndrel,Shianax,Skarlthoon,Skurge,Smergadas,Ssalangan,Sssurist,Sussethilasis,Sylvallitham,Tamarand,Tantlevgithus,Tarlacoal,Tenaarlaktor,Thalagyrt,Tharas'kalagram,Thauglorimorgorus,Thoklastees,Thyka,Tsenshivah,Ueurwen,Uinnessivar,Urnalithorgathla,Velcuthimmorhar,Velora,Vendrathdammarar,Venomindhar,Viinturuth,Voaraghamanthar,Voslaarum,Vr'tark,Vrondahorevos,Vuljotnaak,Vulthuryol,Wastirek,Worlathaugh,Xargithorvar,Xavarathimius,Yemere,Ylithargathril,Ylveraasahlisar,Za-Jikku,Zarlandris,Zellenesterex,Zilanthar,Zormapalearath,Zundaerazylym,Zz'Pzora"},
       {name: "Arachnid", i: 40, min: 4, max: 10, d: "erlsk", m: 0, b: "Aaqok'ser,Aiced,Aizachis,Allinqel,As'taq,Ashrash,Caaqtos,Ceek'sax,Ceezuq,Cek'sier,Cen'qi,Ceqzocer,Cezeed,Chachocaq,Charis,Chashilieth,Checib,Chernul,Chezi,Chiazu,Chishros,Chixhi,Chizhi,Chollash,Choq'sha,Cinchichail,Collul,Ecush'taid,Ekiqe,Eqas,Er'uria,Erikas,Es'tase,Esrub,Exha,Haqsho,Hiavheesh,Hitha,Hok'thi,Hossa,Iacid,Iciever,Illuq,Isnir,Keezut,Kheellavas,Kheizoh,Khiachod,Khika,Khirzur,Khonrud,Khrakku,Khraqshis,Khrethish'ti,Khriashus,Khrika,Khrirni,Klashirel,Kleil'sha,Klishuth,Krarnit,Kras'tex,Krotieqas,Lais'tid,Laizuh,Lasnoth,Len'qeer,Leqanches,Lezad,Lhilir,Lhivhath,Lhok'thu,Lialliesed,Liaraq,Liceva,Lichorro,Lilla,Lokieqib,Nakur,Neerhaca,Neet'er,Neezoh,Nenchiled,Nerhalneth,Nir'ih,Nizus,Noreeqo,On'qix,Qalitho,Qas'tor,Qasol,Qavrud,Qavud,Qazar,Qazru,Qekno,Qeqravee,Qes'tor,Qhaik'sal,Qhak'sish,Qhazsakais,Qheliva,Qhenchaqes,Qherazal,Qhon'qos,Qhosh,Qish'tur,Qisih,Qorhoci,Qranchiq,Racith,Rak'zes,Ranchis,Rarhie,Rarzi,Rarzisiaq,Ras'tih,Ravosho,Recad,Rekid,Rernee,Rertachis,Rezhokketh,Reziel,Rhacish,Rhail'shel,Rhairhizse,Rhakivex,Rhaqeer,Rhartix,Rheciezsei,Rheevid,Rhel'shir,Rhevhie,Rhiavekot,Rhikkos,Rhiqese,Rhiqi,Rhiqracar,Rhisned,Rhousnateb,Riakeesnex,Rintachal,Rir'ul,Rourk'u,Rouzakri,Sailiqei,Sanchiqed,Saqshu,Sat'ier,Sazi,Seiqas,Shieth'i,Shiqsheh,Shizha,Shrachuvo,Shranqo,Shravhos,Shravuth,Shreerhod,Shrethuh,Shriantieth,Shronqash,Shrovarhir,Shrozih,Siacaqoh,Siezosh,Siq'sha,Sirro,Sornosi,Srachussi,Szaca,Szacih,Szaqova,Szasu,Szazhilos,Szeerrud,Szeezsad,Szeknur,Szesir,Szezhirros,Szilshith,Szon'qol,Szornuq,Xeekke,Yeek'su,Yeeq'zox,Yeqil,Yeqroq,Yeveed,Yevied,Yicaveeh,Yirresh,Yisie,Yithik'thaih,Yorhaqshes,Zacheek'sa,Zakkasa,Zelraq,Zeqo,Zharuncho,Zhath'arhish,Zhavirrit,Zhazilraq,Zhazsachiel,Zhek'tha,Zhequ,Zhias'ted,Zhicat,Zhicur,Zhirhacil,Zhizri,Zhochizses,Ziarih,Zirnib"},
-      {name: "Serpents", i: 41, min: 5, max: 11, d: "slrk", m: 0, b: "Aj'ha,Aj'i,Aj'tiss,Ajakess,Aksas,Aksiss,Al'en,An'jeshe,Apjige,Arkkess,Athaz,Atus,Azras,Caji,Cakrasar,Cal'arrun,Capji,Cathras,Cej'han,Ces,Cez'jenta,Cij'te,Cinash,Cizran,Coth'jus,Cothrash,Culzanek,Cunaless,Ej'tesh,Elzazash,Ergek,Eshjuk,Ethris,Gan'jas,Gapja,Gar'thituph,Gopjeguss,Gor'thesh,Gragishaph,Grar'theness,Grath'ji,Gressinas,Grolzesh,Grorjar,Grozrash,Guj'ika,Harji,Hej'hez,Herkush,Horgarrez,Illuph,Ipjar,Ithashin,Kaj'ess,Kar'kash,Kepjusha,Ki'kintus,Kissere,Koph,Kopjess,Kra'kasher,Krak,Krapjez,Krashjuless,Kraz'ji,Krirrigis,Krussin,Ma'lush,Mage,Maj'tak,Mal'a,Mapja,Mar'kash,Mar'kis,Marjin,Mas,Mathan,Men'jas,Meth'jaresh,Mij'hegak,Min'jash,Mith'jas,Monassu,Moss,Naj'hass,Najugash,Nak,Napjiph,Nar'ka,Nar'thuss,Narrusha,Nash,Nashjekez,Nataph,Nij'ass,Nij'tessiph,Nishjiss,Norkkuss,Nus,Olluruss,Or'thi,Or'thuss,Paj'a,Parkka,Pas,Pathujen,Paz'jaz,Pepjerras,Pirkkanar,Pituk,Porjunek,Pu'ke,Ragen,Ran'jess,Rargush,Razjuph,Rilzan,Riss,Rithruz,Rorgiss,Rossez,Rraj'asesh,Rraj'tass,Rrar'kess,Rrar'thuph,Rras,Rrazresh,Rrej'hish,Rrigelash,Rris,Rris,Rroksurrush,Rukrussush,Rurri,Russa,Ruth'jes,Sa'kitesh,Sar'thass,Sarjas,Sazjuzush,Ser'thez,Sezrass,Shajas,Shas,Shashja,Shass,Shetesh,Shijek,Shun'jaler,Shurjarri,Skaler,Skalla,Skallentas,Skaph,Skar'kerriz,Skath'jeruk,Sker'kalas,Skor,Skoz'ji,Sku'lu,Skuph,Skur'thur,Slalli,Slalt'har,Slelziress,Slil'ar,Sloz'jisa,Sojesh,Solle,Sorge,Sral'e,Sran'ji,Srapjess,Srar'thazur,Srash,Srath'jess,Srathrarre,Srerkkash,Srus,Sruss'tugeph,Sun,Suss'tir,Uzrash,Vargush,Vek,Vess'tu,Viph,Vult'ha,Vupjer,Vushjesash,Xagez,Xassa,Xulzessu,Zaj'tiss,Zan'jer,Zarriss,Zassegus,Zirres,Zsor,Zurjass"}
+      {name: "Serpents", i: 41, min: 5, max: 11, d: "slrk", m: 0, b: "Aj'ha,Aj'i,Aj'tiss,Ajakess,Aksas,Aksiss,Al'en,An'jeshe,Apjige,Arkkess,Athaz,Atus,Azras,Caji,Cakrasar,Cal'arrun,Capji,Cathras,Cej'han,Ces,Cez'jenta,Cij'te,Cinash,Cizran,Coth'jus,Cothrash,Culzanek,Cunaless,Ej'tesh,Elzazash,Ergek,Eshjuk,Ethris,Gan'jas,Gapja,Gar'thituph,Gopjeguss,Gor'thesh,Gragishaph,Grar'theness,Grath'ji,Gressinas,Grolzesh,Grorjar,Grozrash,Guj'ika,Harji,Hej'hez,Herkush,Horgarrez,Illuph,Ipjar,Ithashin,Kaj'ess,Kar'kash,Kepjusha,Ki'kintus,Kissere,Koph,Kopjess,Kra'kasher,Krak,Krapjez,Krashjuless,Kraz'ji,Krirrigis,Krussin,Ma'lush,Mage,Maj'tak,Mal'a,Mapja,Mar'kash,Mar'kis,Marjin,Mas,Mathan,Men'jas,Meth'jaresh,Mij'hegak,Min'jash,Mith'jas,Monassu,Moss,Naj'hass,Najugash,Nak,Napjiph,Nar'ka,Nar'thuss,Narrusha,Nash,Nashjekez,Nataph,Nij'ass,Nij'tessiph,Nishjiss,Norkkuss,Nus,Olluruss,Or'thi,Or'thuss,Paj'a,Parkka,Pas,Pathujen,Paz'jaz,Pepjerras,Pirkkanar,Pituk,Porjunek,Pu'ke,Ragen,Ran'jess,Rargush,Razjuph,Rilzan,Riss,Rithruz,Rorgiss,Rossez,Rraj'asesh,Rraj'tass,Rrar'kess,Rrar'thuph,Rras,Rrazresh,Rrej'hish,Rrigelash,Rris,Rris,Rroksurrush,Rukrussush,Rurri,Russa,Ruth'jes,Sa'kitesh,Sar'thass,Sarjas,Sazjuzush,Ser'thez,Sezrass,Shajas,Shas,Shashja,Shass,Shetesh,Shijek,Shun'jaler,Shurjarri,Skaler,Skalla,Skallentas,Skaph,Skar'kerriz,Skath'jeruk,Sker'kalas,Skor,Skoz'ji,Sku'lu,Skuph,Skur'thur,Slalli,Slalt'har,Slelziress,Slil'ar,Sloz'jisa,Sojesh,Solle,Sorge,Sral'e,Sran'ji,Srapjess,Srar'thazur,Srash,Srath'jess,Srathrarre,Srerkkash,Srus,Sruss'tugeph,Sun,Suss'tir,Uzrash,Vargush,Vek,Vess'tu,Viph,Vult'ha,Vupjer,Vushjesash,Xagez,Xassa,Xulzessu,Zaj'tiss,Zan'jer,Zarriss,Zassegus,Zirres,Zsor,Zurjass"},
+      // additional by Avengium:
+      {name: "Levantine", i: 42, min: 4, max: 12, d: "ankprs", m: 0, b: "Adme,Adramet,Agadir,Akko,Akzib,Alimas,Alis-Ubbo,Alqosh,Amid,Ammon,Ampi,Amurru,Andarig,Anpa,Araden,Aram,Arwad,Ashkelon,Athar,Atiq,Aza,Azeka,Baalbek,Babel,Batrun,Beerot,Beersheba,Beit Shemesh,Berytus,Bet Agus,Bet Anya,Beth-Horon,Bethel,Bethlehem,Bethuel,Bet Nahrin,Bet Nohadra,Bet Zalin,Birmula,Biruta,Bit Agushi,Bitan,Bit Zamani,Cerne,Dammeseq,Darmsuq,Dor,Eddial,Eden Ekron,Elah,Emek,Emun,Ephratah,Eyn Ganim,Finike,Gades,Galatia,Gaza,Gebal,Gedera,Gerizzim,Gethsemane,Gibeon,Gilead,Gilgal,Golgotha,Goshen,Gytte,Hagalil,Haifa,Halab,Haqel Dma,Har Habayit,Har Nevo,Har Pisga,Havilah,Hazor,Hebron,Hormah,Iboshim,Iriho,Irinem,Irridu,Israel,Kadesh,Kanaan,Kapara,Karaly,Kart-Hadasht,Keret Chadeshet,Kernah,Kesed,Keysariya,Kfar,Kfar Nahum,Khalibon,Khalpe,Khamat,Kiryat,Kittim,Kurda,Lapethos,Larna,Lepqis,Lepriptza,Liksos,Lod,Luv,Malaka,Malet,Marat,Megido,Melitta,Merdin,Metsada,Mishmarot,Mitzrayim,Moab,Mopsos,Motye,Mukish,Nampigi,Nampigu,Natzrat,Nimrud,Nineveh,Nob,Nuhadra,Oea,Ofir,Oyat,Phineka,Phoenicus,Pleshet,Qart-Tubah Sarepta,Qatna,Rabat Amon,Rakkath,Ramat Aviv,Ramitha,Ramta,Rehovot,Reshef,Rushadir,Rushakad,Samrin,Sefarad,Sehyon,Sepat,Sexi,Sharon,Shechem,Shefelat,Shfanim,Shiloh,Shmaya,Shomron,Sidon,Sinay,Sis,Solki,Sur,Suria,Tabetu,Tadmur,Tarshish,Tartus,Teberya,Tefessedt,Tekoa,Teyman,Tinga,Tipasa,Tsabratan,Tur Abdin,Tzarfat,Tziyon,Tzor,Ugarit,Unubaal,Ureshlem,Urhay,Urushalim,Vaga,Yaffa,Yamhad,Yam hamelach,Yam Kineret,Yamutbal,Yathrib,Yaudi,Yavne,Yehuda,Yerushalayim,Yev,Yevus,Yizreel,Yurdnan,Zarefat,Zeboim,Zeurta,Zeytim,Zikhron,Zmurna"}
     ];
   };
 
-  return {getBase, getCulture, getCultureShort, getBaseShort, getState, updateChain, clearChains, getNameBases, getMapName, calculateChain};
+  return {
+    getBase,
+    getCulture,
+    getCultureShort,
+    getBaseShort,
+    getState,
+    updateChain,
+    clearChains,
+    getNameBases,
+    getMapName,
+    calculateChain
+  };
 })();
diff --git a/modules/ocean-layers.js b/modules/ocean-layers.js
index f21e4722..281fad0a 100644
--- a/modules/ocean-layers.js
+++ b/modules/ocean-layers.js
@@ -38,7 +38,7 @@ window.OceanLayers = (function () {
     for (const t of limits) {
       const layer = chains.filter(c => c[0] === t);
       let path = layer.map(c => round(lineGen(c[1]))).join("");
-      if (path) oceanLayers.append("path").attr("d", path).attr("fill", "#ecf2f9").style("opacity", opacity);
+      if (path) oceanLayers.append("path").attr("d", path).attr("fill", "#ecf2f9").attr("fill-opacity", opacity);
     }
 
     // find eligible cell vertex to start path detection
diff --git a/modules/ui/options.js b/modules/ui/options.js
index 5fd154f0..c072d1cb 100644
--- a/modules/ui/options.js
+++ b/modules/ui/options.js
@@ -601,6 +601,18 @@ function randomizeCultureSet() {
 
 function setRendering(value) {
   viewbox.attr("shape-rendering", value);
+
+  if (value === "optimizeSpeed") {
+    // block some styles
+    coastline.select("#sea_island").style("filter", "none");
+    statesHalo.style("display", "none");
+    emblems.style("opacity", 1);
+  } else {
+    // remove style block
+    coastline.select("#sea_island").style("filter", null);
+    statesHalo.style("display", null);
+    emblems.style("opacity", null);
+  }
 }
 
 // generate current year and era name
diff --git a/versioning.js b/versioning.js
index 78421002..bff3eca4 100644
--- a/versioning.js
+++ b/versioning.js
@@ -1,7 +1,7 @@
 "use strict";
 
 // version and caching control
-const version = "1.87.14"; // generator version, update each time
+const version = "1.87.16"; // generator version, update each time
 
 {
   document.title += " v" + version;