diff --git a/Makefile b/Makefile
index b25e2fc..cdf0afc 100644
--- a/Makefile
+++ b/Makefile
@@ -151,6 +151,10 @@ test-esm: test.mjs ## Run Node ESM test suite
 test.ts: test.mts
 	node -pe 'var data = fs.readFileSync("'$<'", "utf8"); data.split("\n").map(function(l) { return l.replace(/^describe\((.*?)function\(\)/, "Deno.test($$1async function(t)").replace(/\b(?:it|describe)\((.*?)function\(\)/g, "await t.step($$1async function(t)").replace("assert.ok", "assert.assert"); }).join("\n")' > $@
 
+# NOTE: `bun test test.mjs` does not actually run the tests, hence test.test.mjs
+test.test.mjs: test.mjs
+	cp $< $@
+
 .PHONY: test-bun
 test-bun: test.test.mjs ## Run Bun test suite
 	bun test $<
diff --git a/bits/61_fcommon.js b/bits/61_fcommon.js
index 165b096..1db54b3 100644
--- a/bits/61_fcommon.js
+++ b/bits/61_fcommon.js
@@ -23,9 +23,10 @@ var rc_to_a1 = /*#__PURE__*/(function(){
 	};
 })();
 
-var crefregex = /(^|[^._A-Z0-9])(\$?)([A-Z]{1,2}|[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D])(\$?)(\d{1,7})(?![_.\(A-Za-z0-9])/g;
+/* TODO: check if engines support \b */
+var crefregex = /(^|[^._A-Za-z0-9])(\$?)([A-Z]{1,2}|[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D])(\$?)(\d{1,7})(?![_.\(A-Za-z0-9])/g;
 try {
-	crefregex = /(^|[^._A-Z0-9])([$]?)([A-Z]{1,2}|[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D])([$]?)(10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6]|[1-9]\d{0,5})(?![_.\(A-Za-z0-9])/g;
+	crefregex = /(^|[^._A-Za-z0-9])([$]?)([A-Z]{1,2}|[A-W][A-Z]{2}|X[A-E][A-Z]|XF[A-D])([$]?)(10[0-3]\d{4}|104[0-7]\d{3}|1048[0-4]\d{2}|10485[0-6]\d|104857[0-6]|[1-9]\d{0,5})(?![_.\(A-Za-z0-9])/g;
 }catch(e){}
 var a1_to_rc = /*#__PURE__*/(function(){
 	return function a1_to_rc(fstr/*:string*/, base/*:CellAddress*/) {
diff --git a/bits/80_parseods.js b/bits/80_parseods.js
index e004ecd..d985efa 100644
--- a/bits/80_parseods.js
+++ b/bits/80_parseods.js
@@ -205,7 +205,7 @@ function parse_ods_styles(d/*:string*/, _opts, _nfm) {
 			// TODO: handle more complex maps
 			y = parsexmltag(Rn[0], false);
 			if(unescapexml(y["condition"]) == "value()>=0") NF = number_format_map[y["apply-style-name"]] + ";" + NF;
-			else console.error("ODS number format may be incorrect: " + y["condition"]);
+			else if(_opts && _opts.WTF) console.error("ODS number format may be incorrect: " + y["condition"]);
 			break;
 
 		case 'number': // <number:number> 16.29.3
diff --git a/test.js b/test.js
index 0a3853b..cbdb6bb 100644
--- a/test.js
+++ b/test.js
@@ -3104,6 +3104,11 @@ describe('corner cases', function() {
 			}
 		});
 	});
+	(fs.existsSync(dir + 'shared_formula.xlsx') ? it : it.skip)('should properly handle defined names in shared formulae', function() {
+		var wb = X.read(fs.readFileSync(dir + 'shared_formula.xlsx'), {type:TYPE});
+		var formulae = X.utils.sheet_to_formulae(wb.Sheets[wb.SheetNames[0]]);
+		assert.equal(formulae[4], 'A5=nvRTX6090');
+	});
 });
 
 describe('encryption', function() {
diff --git a/test.mjs b/test.mjs
index f743fb3..4a0cece 100644
--- a/test.mjs
+++ b/test.mjs
@@ -3103,6 +3103,11 @@ describe('corner cases', function() {
 			}
 		});
 	});
+	(fs.existsSync(dir + 'shared_formula.xlsx') ? it : it.skip)('should properly handle defined names in shared formulae', function() {
+		var wb = X.read(fs.readFileSync(dir + 'shared_formula.xlsx'), {type:TYPE});
+		var formulae = X.utils.sheet_to_formulae(wb.Sheets[wb.SheetNames[0]]);
+		assert.equal(formulae[4], 'A5=nvRTX6090');
+	});
 });
 
 describe('encryption', function() {
diff --git a/test.mts b/test.mts
index d6b596c..c857291 100644
--- a/test.mts
+++ b/test.mts
@@ -9,10 +9,10 @@ declare type EmptyFunc = (() => void) | null;
 declare var afterEach:(test:EmptyFunc)=>void;
 declare var cptable: any;
 */
-import * as assert_ from 'https://deno.land/std/testing/asserts.ts';
-import * as base64_ from 'https://deno.land/std/encoding/base64.ts';
+import * as assert_ from 'https://deno.land/std@0.169.0/testing/asserts.ts';
+import * as base64_ from 'https://deno.land/std@0.169.0/encoding/base64.ts';
 const assert: any = {...assert_};
-assert.throws = function(f: () => void) { assert.assertThrows(function() { try { f(); } catch(e) { throw e instanceof Error ? e : new Error(e); }})};
+assert.throws = function(f: () => void) { assert.assertThrows(function() { try { f(); } catch(e) { throw e instanceof Error ? e : new Error(e as string); }})};
 assert.doesNotThrow = function(f: ()=>void) { f(); };
 assert.equal = assert.assertEquals;
 assert.notEqual = assert.assertNotEquals;
@@ -36,7 +36,7 @@ function readFileSync2(x: string, e?: ShEncoding): Uint8Array | string {
 	if(!e) return u8;
 	switch(e) {
 		case 'utf-8': return new TextDecoder().decode(u8);
-		case 'base64': return base64_.encode(u8);
+		case 'base64': return base64_.encode(u8 as any);
 		case 'buffer': return u8;
 		case 'binary': return Array.from({length: u8.length}, (_,i) => String.fromCharCode(u8[i])).join("");
 	}
@@ -2724,7 +2724,7 @@ describe('dense mode', function() {
 			wb = X.read(fs.readFileSync(p), {type: TYPE, WTF: true, dense: true});
 			ws = wb.Sheets[wb.SheetNames[0]];
 			assert.ok(!ws["A1"]);
-			assert.equal(ws["!data"]?.[0][0].v, "Link to Sheet2");
+			assert.equal(ws["!data"]?.[0]![0]!.v, "Link to Sheet2");
 		});
 		if(!browser) artifax.forEach(function(p) {
 			var wb = X.read(fs.readFileSync(p), {type: TYPE, WTF: true});
@@ -2736,7 +2736,7 @@ describe('dense mode', function() {
 			ws = wb.Sheets[wb.SheetNames[0]];
 			assert.ok(!ws["A1"]);
 			assert.ok(!!ws["!data"]);
-			assert.ok(ws["!data"]?.[0][0]);
+			assert.ok(ws["!data"]?.[0]![0]);
 		});
 	});
 	it('aoa_to_sheet', function() {
@@ -2744,28 +2744,28 @@ describe('dense mode', function() {
 		var sp = X.utils.aoa_to_sheet(aoa); assert.equal(sp["A2"].v, 5433795); assert.ok(!sp["!data"]);
 		sp = X.utils.aoa_to_sheet(aoa, {}); assert.equal(sp["A2"].v, 5433795); assert.ok(!sp["!data"]);
 		sp = X.utils.aoa_to_sheet(aoa, {dense: false}); assert.equal(sp["A2"].v, 5433795); assert.ok(!sp["!data"]);
-		var ds = X.utils.aoa_to_sheet(aoa, {dense: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.ok(!ds["A2"]);
+		var ds = X.utils.aoa_to_sheet(aoa, {dense: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.ok(!ds["A2"]);
 	});
 	it('json_to_sheet', function() {
 		var json = [{"SheetJS": 5433795}];
 		var sp = X.utils.json_to_sheet(json); assert.equal(sp["A2"].v, 5433795); assert.ok(!sp["!data"]);
 		sp = X.utils.json_to_sheet(json, {}); assert.equal(sp["A2"].v, 5433795); assert.ok(!sp["!data"]);
 		sp = X.utils.json_to_sheet(json, {dense: false}); assert.equal(sp["A2"].v, 5433795); assert.ok(!sp["!data"]);
-		var ds = X.utils.json_to_sheet(json, {dense: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.ok(!ds["A2"]);
+		var ds = X.utils.json_to_sheet(json, {dense: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.ok(!ds["A2"]);
 	});
 	it('sheet_add_aoa', function() {
 		var aoa = [["SheetJS"]];
 		var sp = X.utils.aoa_to_sheet(aoa); X.utils.sheet_add_aoa(sp, [[5433795]], {origin:-1}); assert.equal(sp["A2"].v, 5433795); assert.ok(!sp["!data"]);
 		sp = X.utils.aoa_to_sheet(aoa); X.utils.sheet_add_aoa(sp, [[5433795]], {origin:-1, dense: true}); assert.equal(sp["A2"].v, 5433795); assert.ok(!sp["!data"]);
-		var ds:X.WorkSheet = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_aoa(ds, [[5433795]], {origin:-1}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.ok(!ds["A2"]);
-		ds = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_aoa(ds, [[5433795]], {origin:-1, dense: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.ok(!ds["A2"]);
+		var ds:X.WorkSheet = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_aoa(ds, [[5433795]], {origin:-1}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.ok(!ds["A2"]);
+		ds = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_aoa(ds, [[5433795]], {origin:-1, dense: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.ok(!ds["A2"]);
 	});
 	it('sheet_add_json', function() {
 		var aoa = [["SheetJS"]];
 		var sp = X.utils.aoa_to_sheet(aoa); X.utils.sheet_add_json(sp, [{X:5433795}], {origin:-1, skipHeader:true}); assert.equal(sp["A2"].v, 5433795); assert.ok(!sp["!data"]);
 		sp = X.utils.aoa_to_sheet(aoa); X.utils.sheet_add_json(sp, [{X:5433795}], {origin:-1, skipHeader: true, dense: true}); assert.equal(sp["A2"].v, 5433795); assert.ok(!sp["!data"]);
-		var ds:X.WorkSheet = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_json(ds, [{X:5433795}], {origin:-1, skipHeader: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.ok(!ds["A2"]);
-		ds = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_json(ds, [{X:5433795}], {origin:-1, skipHeader: true, dense: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.ok(!ds["A2"]);
+		var ds:X.WorkSheet = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_json(ds, [{X:5433795}], {origin:-1, skipHeader: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.ok(!ds["A2"]);
+		ds = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_json(ds, [{X:5433795}], {origin:-1, skipHeader: true, dense: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.ok(!ds["A2"]);
 	});
 	for(var ofmti = 0; ofmti < ofmt.length; ++ofmti) { var f = ofmt[ofmti];
 	it('write ' + f, function() {
@@ -3022,6 +3022,11 @@ describe('corner cases', function() {
 			}
 		});
 	});
+	if(fs.existsSync(dir + 'shared_formula.xlsx')) it('should properly handle defined names in shared formulae', function() {
+		var wb = X.read(fs.readFileSync(dir + 'shared_formula.xlsx'), {type:TYPE});
+		var formulae = X.utils.sheet_to_formulae(wb.Sheets[wb.SheetNames[0]]);
+		assert.equal(formulae[4], 'A5=nvRTX6090');
+	});
 });
 
 describe('encryption', function() {
@@ -3033,14 +3038,14 @@ describe('encryption', function() {
 					X.read(fs.readFileSync(dir + x), {type:TYPE,password:'Password',WTF:opts.WTF});
 					throw new Error("incorrect password was accepted");
 				} catch(e) {
-					if(e.message != "Password is incorrect") throw e;
+					if((e as any).message != "Password is incorrect") throw e;
 				}
 			});
 			it('should recognize correct password', function() {
 				try {
 					X.read(fs.readFileSync(dir + x), {type:TYPE,password:'password',WTF:opts.WTF});
 				} catch(e) {
-					if(e.message == "Password is incorrect") throw e;
+					if((e as any).message == "Password is incorrect") throw e;
 				}
 			});
 			if(false) it('should decrypt file', function() {
diff --git a/test.sh b/test.sh
index 0555360..11c2511 100755
--- a/test.sh
+++ b/test.sh
@@ -2,8 +2,12 @@
 set -euxo pipefail
 TZONES=(America/New_York Europe/London Asia/Seoul America/Los_Angeles Europe/Berlin Asia/Kolkata Asia/Shanghai America/Cancun America/Anchorage America/Barbados Asia/Tokyo  America/Cayman Pacific/Honolulu America/Mexico_City Asia/Hong_Kong Europe/Paris Atlantic/Azores)
 
+export NVM_DIR="$HOME/.nvm"
+[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
+
 if [ -e datetest.js ]; then
-	sudo n 20;
+	nvm use 20
+	# sudo n 20;
 	for TZ in ${TZONES[@]}; do
 		echo "$TZ"
 		env TZ="$TZ" mocha -R dot datetest.js
@@ -11,19 +15,22 @@ if [ -e datetest.js ]; then
 fi
 
 # min test 
-for n in 20 10 0.8 0.10 0.12 4 6 8 12 14 16 18; do
-	sudo n $n
+for n in 20 10 0.8 0.10 0.12 4 6 8 12 14 16 18 22 24; do
+	nvm use $n
+	# sudo n $n
 	env WTF=1 make testdot_misc
 	for TZ in ${TZONES[@]}; do
-		sudo n $n
+		# sudo n $n
+		nvm use $n
 		env WTF=1 TZ="$TZ" make testdot_misc
 	done
 done
 
 # full test
-for n in 20 10 0.12; do
+for n in 24 16 0.12; do
 	for TZ in America/New_York Asia/Seoul Asia/Kolkata Europe/Paris; do
-		sudo n $n
+		# sudo n $n
+		nvm use $n
 		env WTF=1 TZ="$TZ" make testdot
 	done
 done
diff --git a/test.test.mjs b/test.test.mjs
index f743fb3..4a0cece 100644
--- a/test.test.mjs
+++ b/test.test.mjs
@@ -3103,6 +3103,11 @@ describe('corner cases', function() {
 			}
 		});
 	});
+	(fs.existsSync(dir + 'shared_formula.xlsx') ? it : it.skip)('should properly handle defined names in shared formulae', function() {
+		var wb = X.read(fs.readFileSync(dir + 'shared_formula.xlsx'), {type:TYPE});
+		var formulae = X.utils.sheet_to_formulae(wb.Sheets[wb.SheetNames[0]]);
+		assert.equal(formulae[4], 'A5=nvRTX6090');
+	});
 });
 
 describe('encryption', function() {
diff --git a/test.ts b/test.ts
index 22ba8c9..de40606 100644
--- a/test.ts
+++ b/test.ts
@@ -9,10 +9,10 @@ declare type EmptyFunc = (() => void) | null;
 declare var afterEach:(test:EmptyFunc)=>void;
 declare var cptable: any;
 */
-import * as assert_ from 'https://deno.land/std/testing/asserts.ts';
-import * as base64_ from 'https://deno.land/std/encoding/base64.ts';
+import * as assert_ from 'https://deno.land/std@0.169.0/testing/asserts.ts';
+import * as base64_ from 'https://deno.land/std@0.169.0/encoding/base64.ts';
 const assert: any = {...assert_};
-assert.throws = function(f: () => void) { assert.assertThrows(function() { try { f(); } catch(e) { throw e instanceof Error ? e : new Error(e); }})};
+assert.throws = function(f: () => void) { assert.assertThrows(function() { try { f(); } catch(e) { throw e instanceof Error ? e : new Error(e as string); }})};
 assert.doesNotThrow = function(f: ()=>void) { f(); };
 assert.equal = assert.assertEquals;
 assert.notEqual = assert.assertNotEquals;
@@ -36,7 +36,7 @@ function readFileSync2(x: string, e?: ShEncoding): Uint8Array | string {
 	if(!e) return u8;
 	switch(e) {
 		case 'utf-8': return new TextDecoder().decode(u8);
-		case 'base64': return base64_.encode(u8);
+		case 'base64': return base64_.encode(u8 as any);
 		case 'buffer': return u8;
 		case 'binary': return Array.from({length: u8.length}, (_,i) => String.fromCharCode(u8[i])).join("");
 	}
@@ -2724,7 +2724,7 @@ Deno.test('dense mode', async function(t) {
 			wb = X.read(fs.readFileSync(p), {type: TYPE, WTF: true, dense: true});
 			ws = wb.Sheets[wb.SheetNames[0]];
 			assert.assert(!ws["A1"]);
-			assert.equal(ws["!data"]?.[0][0].v, "Link to Sheet2");
+			assert.equal(ws["!data"]?.[0]![0]!.v, "Link to Sheet2");
 		});
 		if(!browser) artifax.forEach(function(p) {
 			var wb = X.read(fs.readFileSync(p), {type: TYPE, WTF: true});
@@ -2736,7 +2736,7 @@ Deno.test('dense mode', async function(t) {
 			ws = wb.Sheets[wb.SheetNames[0]];
 			assert.assert(!ws["A1"]);
 			assert.assert(!!ws["!data"]);
-			assert.assert(ws["!data"]?.[0][0]);
+			assert.assert(ws["!data"]?.[0]![0]);
 		});
 	});
 	await t.step('aoa_to_sheet', async function(t) {
@@ -2744,28 +2744,28 @@ Deno.test('dense mode', async function(t) {
 		var sp = X.utils.aoa_to_sheet(aoa); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
 		sp = X.utils.aoa_to_sheet(aoa, {}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
 		sp = X.utils.aoa_to_sheet(aoa, {dense: false}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
-		var ds = X.utils.aoa_to_sheet(aoa, {dense: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.assert(!ds["A2"]);
+		var ds = X.utils.aoa_to_sheet(aoa, {dense: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.assert(!ds["A2"]);
 	});
 	await t.step('json_to_sheet', async function(t) {
 		var json = [{"SheetJS": 5433795}];
 		var sp = X.utils.json_to_sheet(json); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
 		sp = X.utils.json_to_sheet(json, {}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
 		sp = X.utils.json_to_sheet(json, {dense: false}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
-		var ds = X.utils.json_to_sheet(json, {dense: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.assert(!ds["A2"]);
+		var ds = X.utils.json_to_sheet(json, {dense: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.assert(!ds["A2"]);
 	});
 	await t.step('sheet_add_aoa', async function(t) {
 		var aoa = [["SheetJS"]];
 		var sp = X.utils.aoa_to_sheet(aoa); X.utils.sheet_add_aoa(sp, [[5433795]], {origin:-1}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
 		sp = X.utils.aoa_to_sheet(aoa); X.utils.sheet_add_aoa(sp, [[5433795]], {origin:-1, dense: true}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
-		var ds:X.WorkSheet = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_aoa(ds, [[5433795]], {origin:-1}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.assert(!ds["A2"]);
-		ds = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_aoa(ds, [[5433795]], {origin:-1, dense: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.assert(!ds["A2"]);
+		var ds:X.WorkSheet = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_aoa(ds, [[5433795]], {origin:-1}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.assert(!ds["A2"]);
+		ds = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_aoa(ds, [[5433795]], {origin:-1, dense: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.assert(!ds["A2"]);
 	});
 	await t.step('sheet_add_json', async function(t) {
 		var aoa = [["SheetJS"]];
 		var sp = X.utils.aoa_to_sheet(aoa); X.utils.sheet_add_json(sp, [{X:5433795}], {origin:-1, skipHeader:true}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
 		sp = X.utils.aoa_to_sheet(aoa); X.utils.sheet_add_json(sp, [{X:5433795}], {origin:-1, skipHeader: true, dense: true}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
-		var ds:X.WorkSheet = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_json(ds, [{X:5433795}], {origin:-1, skipHeader: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.assert(!ds["A2"]);
-		ds = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_json(ds, [{X:5433795}], {origin:-1, skipHeader: true, dense: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.assert(!ds["A2"]);
+		var ds:X.WorkSheet = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_json(ds, [{X:5433795}], {origin:-1, skipHeader: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.assert(!ds["A2"]);
+		ds = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_json(ds, [{X:5433795}], {origin:-1, skipHeader: true, dense: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.assert(!ds["A2"]);
 	});
 	for(var ofmti = 0; ofmti < ofmt.length; ++ofmti) { var f = ofmt[ofmti];
 	await t.step('write ' + f, async function(t) {
@@ -3022,6 +3022,11 @@ Deno.test('corner cases', async function(t) {
 			}
 		});
 	});
+	if(fs.existsSync(dir + 'shared_formula.xlsx')) await t.step('should properly handle defined names in shared formulae', async function(t) {
+		var wb = X.read(fs.readFileSync(dir + 'shared_formula.xlsx'), {type:TYPE});
+		var formulae = X.utils.sheet_to_formulae(wb.Sheets[wb.SheetNames[0]]);
+		assert.equal(formulae[4], 'A5=nvRTX6090');
+	});
 });
 
 Deno.test('encryption', async function(t) {
@@ -3033,14 +3038,14 @@ Deno.test('encryption', async function(t) {
 					X.read(fs.readFileSync(dir + x), {type:TYPE,password:'Password',WTF:opts.WTF});
 					throw new Error("incorrect password was accepted");
 				} catch(e) {
-					if(e.message != "Password is incorrect") throw e;
+					if((e as any).message != "Password is incorrect") throw e;
 				}
 			});
 			await t.step('should recognize correct password', async function(t) {
 				try {
 					X.read(fs.readFileSync(dir + x), {type:TYPE,password:'password',WTF:opts.WTF});
 				} catch(e) {
-					if(e.message == "Password is incorrect") throw e;
+					if((e as any).message == "Password is incorrect") throw e;
 				}
 			});
 			if(false) await t.step('should decrypt file', async function(t) {
diff --git a/testnocp.ts b/testnocp.ts
index a0f364e..ddedbb3 100644
--- a/testnocp.ts
+++ b/testnocp.ts
@@ -9,10 +9,10 @@ declare type EmptyFunc = (() => void) | null;
 declare var afterEach:(test:EmptyFunc)=>void;
 declare var cptable: any;
 */
-import * as assert_ from 'https://deno.land/std/testing/asserts.ts';
-import * as base64_ from 'https://deno.land/std/encoding/base64.ts';
+import * as assert_ from 'https://deno.land/std@0.169.0/testing/asserts.ts';
+import * as base64_ from 'https://deno.land/std@0.169.0/encoding/base64.ts';
 const assert: any = {...assert_};
-assert.throws = function(f: () => void) { assert.assertThrows(function() { try { f(); } catch(e) { throw e instanceof Error ? e : new Error(e); }})};
+assert.throws = function(f: () => void) { assert.assertThrows(function() { try { f(); } catch(e) { throw e instanceof Error ? e : new Error(e as string); }})};
 assert.doesNotThrow = function(f: ()=>void) { f(); };
 assert.equal = assert.assertEquals;
 assert.notEqual = assert.assertNotEquals;
@@ -35,7 +35,7 @@ function readFileSync2(x: string, e?: ShEncoding): Uint8Array | string {
 	if(!e) return u8;
 	switch(e) {
 		case 'utf-8': return new TextDecoder().decode(u8);
-		case 'base64': return base64_.encode(u8);
+		case 'base64': return base64_.encode(u8 as any);
 		case 'buffer': return u8;
 		case 'binary': return Array.from({length: u8.length}, (_,i) => String.fromCharCode(u8[i])).join("");
 	}
@@ -2723,7 +2723,7 @@ Deno.test('dense mode', async function(t) {
 			wb = X.read(fs.readFileSync(p), {type: TYPE, WTF: true, dense: true});
 			ws = wb.Sheets[wb.SheetNames[0]];
 			assert.assert(!ws["A1"]);
-			assert.equal(ws["!data"]?.[0][0].v, "Link to Sheet2");
+			assert.equal(ws["!data"]?.[0]![0]!.v, "Link to Sheet2");
 		});
 		if(!browser) artifax.forEach(function(p) {
 			var wb = X.read(fs.readFileSync(p), {type: TYPE, WTF: true});
@@ -2735,7 +2735,7 @@ Deno.test('dense mode', async function(t) {
 			ws = wb.Sheets[wb.SheetNames[0]];
 			assert.assert(!ws["A1"]);
 			assert.assert(!!ws["!data"]);
-			assert.assert(ws["!data"]?.[0][0]);
+			assert.assert(ws["!data"]?.[0]![0]);
 		});
 	});
 	await t.step('aoa_to_sheet', async function(t) {
@@ -2743,28 +2743,28 @@ Deno.test('dense mode', async function(t) {
 		var sp = X.utils.aoa_to_sheet(aoa); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
 		sp = X.utils.aoa_to_sheet(aoa, {}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
 		sp = X.utils.aoa_to_sheet(aoa, {dense: false}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
-		var ds = X.utils.aoa_to_sheet(aoa, {dense: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.assert(!ds["A2"]);
+		var ds = X.utils.aoa_to_sheet(aoa, {dense: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.assert(!ds["A2"]);
 	});
 	await t.step('json_to_sheet', async function(t) {
 		var json = [{"SheetJS": 5433795}];
 		var sp = X.utils.json_to_sheet(json); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
 		sp = X.utils.json_to_sheet(json, {}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
 		sp = X.utils.json_to_sheet(json, {dense: false}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
-		var ds = X.utils.json_to_sheet(json, {dense: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.assert(!ds["A2"]);
+		var ds = X.utils.json_to_sheet(json, {dense: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.assert(!ds["A2"]);
 	});
 	await t.step('sheet_add_aoa', async function(t) {
 		var aoa = [["SheetJS"]];
 		var sp = X.utils.aoa_to_sheet(aoa); X.utils.sheet_add_aoa(sp, [[5433795]], {origin:-1}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
 		sp = X.utils.aoa_to_sheet(aoa); X.utils.sheet_add_aoa(sp, [[5433795]], {origin:-1, dense: true}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
-		var ds:X.WorkSheet = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_aoa(ds, [[5433795]], {origin:-1}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.assert(!ds["A2"]);
-		ds = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_aoa(ds, [[5433795]], {origin:-1, dense: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.assert(!ds["A2"]);
+		var ds:X.WorkSheet = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_aoa(ds, [[5433795]], {origin:-1}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.assert(!ds["A2"]);
+		ds = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_aoa(ds, [[5433795]], {origin:-1, dense: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.assert(!ds["A2"]);
 	});
 	await t.step('sheet_add_json', async function(t) {
 		var aoa = [["SheetJS"]];
 		var sp = X.utils.aoa_to_sheet(aoa); X.utils.sheet_add_json(sp, [{X:5433795}], {origin:-1, skipHeader:true}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
 		sp = X.utils.aoa_to_sheet(aoa); X.utils.sheet_add_json(sp, [{X:5433795}], {origin:-1, skipHeader: true, dense: true}); assert.equal(sp["A2"].v, 5433795); assert.assert(!sp["!data"]);
-		var ds:X.WorkSheet = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_json(ds, [{X:5433795}], {origin:-1, skipHeader: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.assert(!ds["A2"]);
-		ds = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_json(ds, [{X:5433795}], {origin:-1, skipHeader: true, dense: true}); assert.equal(ds["!data"]?.[1][0].v, 5433795); assert.assert(!ds["A2"]);
+		var ds:X.WorkSheet = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_json(ds, [{X:5433795}], {origin:-1, skipHeader: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.assert(!ds["A2"]);
+		ds = X.utils.aoa_to_sheet(aoa, {dense: true}); X.utils.sheet_add_json(ds, [{X:5433795}], {origin:-1, skipHeader: true, dense: true}); assert.equal(ds["!data"]?.[1]![0]!.v, 5433795); assert.assert(!ds["A2"]);
 	});
 	for(var ofmti = 0; ofmti < ofmt.length; ++ofmti) { var f = ofmt[ofmti];
 	await t.step('write ' + f, async function(t) {
@@ -3021,6 +3021,11 @@ Deno.test('corner cases', async function(t) {
 			}
 		});
 	});
+	if(fs.existsSync(dir + 'shared_formula.xlsx')) await t.step('should properly handle defined names in shared formulae', async function(t) {
+		var wb = X.read(fs.readFileSync(dir + 'shared_formula.xlsx'), {type:TYPE});
+		var formulae = X.utils.sheet_to_formulae(wb.Sheets[wb.SheetNames[0]]);
+		assert.equal(formulae[4], 'A5=nvRTX6090');
+	});
 });
 
 Deno.test('encryption', async function(t) {
@@ -3032,14 +3037,14 @@ Deno.test('encryption', async function(t) {
 					X.read(fs.readFileSync(dir + x), {type:TYPE,password:'Password',WTF:opts.WTF});
 					throw new Error("incorrect password was accepted");
 				} catch(e) {
-					if(e.message != "Password is incorrect") throw e;
+					if((e as any).message != "Password is incorrect") throw e;
 				}
 			});
 			await t.step('should recognize correct password', async function(t) {
 				try {
 					X.read(fs.readFileSync(dir + x), {type:TYPE,password:'password',WTF:opts.WTF});
 				} catch(e) {
-					if(e.message == "Password is incorrect") throw e;
+					if((e as any).message == "Password is incorrect") throw e;
 				}
 			});
 			if(false) await t.step('should decrypt file', async function(t) {
diff --git a/tests/core.js b/tests/core.js
index baca005..730f009 100644
--- a/tests/core.js
+++ b/tests/core.js
@@ -3102,6 +3102,11 @@ describe('corner cases', function() {
 			}
 		});
 	});
+	(fs.existsSync(dir + 'shared_formula.xlsx') ? it : it.skip)('should properly handle defined names in shared formulae', function() {
+		var wb = X.read(fs.readFileSync(dir + 'shared_formula.xlsx'), {type:TYPE});
+		var formulae = X.utils.sheet_to_formulae(wb.Sheets[wb.SheetNames[0]]);
+		assert.equal(formulae[4], 'A5=nvRTX6090');
+	});
 });
 
 describe('encryption', function() {