diff --git a/app/code/community/Justuno/M1/Catalog.php b/app/code/community/Justuno/M1/Catalog.php
index 1513a9c..97c5d28 100644
--- a/app/code/community/Justuno/M1/Catalog.php
+++ b/app/code/community/Justuno/M1/Catalog.php
@@ -71,25 +71,21 @@ static function p() {R::p(function(S $s) {
 				# «The parent ID is pulling the sku, it should be pulling the ID like the variant does»:
 				# https://github.com/justuno-com/m1/issues/19
 				,'ID' => $p->getId()
-				/**
-				 * 2019-10-30
-				 * 1) «MSRP, Price, SalePrice, Variants.MSRP, and Variants.SalePrice all need to be Floats,
-				 * or if that is not possible then Ints»: https://github.com/justuno-com/m1/issues/10
-				 * 2) «If their isn't an MSRP for some reason just use the salesprice»:
-				 * https://github.com/justuno-com/m1/issues/6
-				 * 2019-10-31
-				 * «The MSRP should pull in this order MSRP > Price > Dynamic Price»:
-				 * https://github.com/justuno-com/m1/issues/20
-				 */
-				,'MSRP' => (float)($p['msrp'] ?: ($p['price'] ?: $p->getPrice()))
-				 /**
-				  * 2019-10-30
-				  * «MSRP, Price, SalePrice, Variants.MSRP, and Variants.SalePrice all need to be Floats,
-				  * or if that is not possible then Ints»: https://github.com/justuno-com/m1/issues/10
-				  * 2019-10-31
-				  * «Price should be Price > Dynamic Price»: https://github.com/justuno-com/m1/issues/21
-				  */
-				,'Price' => (float)($p['price'] ?: $p->getPrice())
+				# 2019-10-30
+				# 1) «MSRP, Price, SalePrice, Variants.MSRP, and Variants.SalePrice all need to be Floats,
+				# or if that is not possible then Ints»: https://github.com/justuno-com/m1/issues/10
+				# 2) «If their isn't an MSRP for some reason just use the salesprice»:
+				# https://github.com/justuno-com/m1/issues/6
+				# 2019-10-31
+				# «The MSRP should pull in this order MSRP > Price > Dynamic Price»: https://github.com/justuno-com/m1/issues/20
+				# 2021-03-24 "Replace `getPrice` with `getFinalPrice`": https://github.com/justuno-com/m1/issues/54
+				,'MSRP' => (float)($p['msrp'] ?: ($p['price'] ?: $p->getFinalPrice()))
+				# 2019-10-30
+				# «MSRP, Price, SalePrice, Variants.MSRP, and Variants.SalePrice all need to be Floats,
+				# or if that is not possible then Ints»: https://github.com/justuno-com/m1/issues/10
+				# 2019-10-31 «Price should be Price > Dynamic Price»: https://github.com/justuno-com/m1/issues/21
+				# 2021-03-24 "Replace `getPrice` with `getFinalPrice`": https://github.com/justuno-com/m1/issues/54
+				,'Price' => (float)($p['price'] ?: $p->getFinalPrice())
 				# 2019-10-30 «ReviewsCount and ReviewSums need to be Ints»: https://github.com/justuno-com/m1/issues/11
 				,'ReviewsCount' => (int)$rs->getReviewsCount()
 				# 2019-10-30
@@ -100,7 +96,8 @@ static function p() {R::p(function(S $s) {
 				# 2019-10-30
 				# «MSRP, Price, SalePrice, Variants.MSRP, and Variants.SalePrice all need to be Floats,
 				# or if that is not possible then Ints»: https://github.com/justuno-com/m1/issues/10
-				,'SalePrice' => (float)$p->getPrice()
+				# 2021-03-24 "Replace `getPrice` with `getFinalPrice`": https://github.com/justuno-com/m1/issues/54
+				,'SalePrice' => (float)$p->getFinalPrice()
 				,'Tags' => self::tags($p)
 				,'Title' => $p['name']
 				,'UpdatedAt' => $p['updated_at']
diff --git a/app/code/community/Justuno/M1/Catalog/Variants.php b/app/code/community/Justuno/M1/Catalog/Variants.php
index 44da0e1..0304a36 100644
--- a/app/code/community/Justuno/M1/Catalog/Variants.php
+++ b/app/code/community/Justuno/M1/Catalog/Variants.php
@@ -61,24 +61,23 @@ private static function variant(P $p, P $parent = null, $opts = []) {
 			 * https://github.com/justuno-com/m1/issues/35
 			 */
 			,'InventoryQuantity' => $p->isDisabled() || ($parent && $parent->isDisabled()) ? -9999 : (int)$si->getQty()
-			/**
-			 * 2019-10-30
-			 * 1) «MSRP, Price, SalePrice, Variants.MSRP, and Variants.SalePrice all need to be Floats,
-			 * or if that is not possible then Ints»: https://github.com/justuno-com/m1/issues/10
-			 * 2) «MSRP was null for some variants but the MSRP wasn't null for the parent»:
-			 * https://github.com/justuno-com/m1/issues/7
-			 * 3) «If their isn't an MSRP for some reason just use the salesprice»:
-			 * https://github.com/justuno-com/m1/issues/6
-			 * 2019-10-31
-			 * «For variant pricing,
-			 * i would want the flow to be the same as the MSRP and SalePrice from the parent above
-			 * but using the variant's pricing of course»: https://github.com/justuno-com/m1/issues/25
-			 */
-			,'MSRP' => (float)($p['msrp'] ?: ($p['price'] ?: $p->getPrice()))
+			# 2019-10-30
+			# 1) «MSRP, Price, SalePrice, Variants.MSRP, and Variants.SalePrice all need to be Floats,
+			# or if that is not possible then Ints»: https://github.com/justuno-com/m1/issues/10
+			# 2) «MSRP was null for some variants but the MSRP wasn't null for the parent»:
+			# https://github.com/justuno-com/m1/issues/7
+			# 3) «If their isn't an MSRP for some reason just use the salesprice»: https://github.com/justuno-com/m1/issues/6
+			# 2019-10-31
+			# «For variant pricing,
+			# i would want the flow to be the same as the MSRP and SalePrice from the parent above
+			# but using the variant's pricing of course»: https://github.com/justuno-com/m1/issues/25
+			# 2021-03-24 "Replace `getPrice` with `getFinalPrice`": https://github.com/justuno-com/m1/issues/54
+			,'MSRP' => (float)($p['msrp'] ?: ($p['price'] ?: $p->getFinalPrice()))
 			# 2019-10-30
 			# «MSRP, Price, SalePrice, Variants.MSRP, and Variants.SalePrice all need to be Floats,
 			# or if that is not possible then Ints»: https://github.com/justuno-com/m1/issues/10
-			,'SalePrice' => (float)$p->getPrice()
+			# 2021-03-24 "Replace `getPrice` with `getFinalPrice`": https://github.com/justuno-com/m1/issues/54
+			,'SalePrice' => (float)$p->getFinalPrice()
 			,'SKU' => $p->getSku()
 			,'Title' => $p->getName()
 		];
diff --git a/app/code/community/Justuno/M1/Filter.php b/app/code/community/Justuno/M1/Filter.php
index f5b4afb..d0c0d19 100644
--- a/app/code/community/Justuno/M1/Filter.php
+++ b/app/code/community/Justuno/M1/Filter.php
@@ -1,4 +1,5 @@
 <?php
+use DateTimeZone as TZ;
 use Justuno_M1_Lib as L;
 use Mage_Catalog_Model_Resource_Product_Collection as PC;
 use Mage_Sales_Model_Resource_Order_Collection as OC;
@@ -35,15 +36,16 @@ static function p(C $r) {
 	 */
 	private static function byDate(C $c) {
 		if ($since = L::req('updatedSince')) { /** @var string $since */
+			# 2021-03-24 "`updatedSince` should be interpreted in the UTC timezone": https://github.com/justuno-com/m1/issues/55
+			$tz = new TZ(TZ::UTC); /** @var TZ $tz */
 			/**
 			 * 2019-10-31
 			 * @param string $s
 			 * @return string
 			 */
-			$d = function($s) {
+			$d = function($s) use($tz) {
 				$f = 'Y-m-d H:i:s'; /** @var string $f */
-				$tz = Mage::getStoreConfig('general/locale/timezone'); /** @var string $tz */
-				$dt = new DateTime(date($f, strtotime($s)), new DateTimeZone($tz));	/** @var DateTime $dt */
+				$dt = new DateTime(date($f, strtotime($s)), $tz);	/** @var DateTime $dt */
 				return date($f, $dt->format('U'));
 			};
 			$c->addFieldToFilter('updated_at', ['from' => $d($since), 'to' => $d('2035-01-01 23:59:59')]);
diff --git a/app/code/community/Justuno/M1/etc/config.xml b/app/code/community/Justuno/M1/etc/config.xml
index e1369f7..f4da107 100644
--- a/app/code/community/Justuno/M1/etc/config.xml
+++ b/app/code/community/Justuno/M1/etc/config.xml
@@ -4,7 +4,7 @@
 		<Justuno_M1>
 			<author>Dmitry Fedyuk</author>
 			<url>https://www.upwork.com/fl/mage2pro</url>
-			<version>1.6.6</version>
+			<version>1.6.8</version>
 		</Justuno_M1>
 	</modules>
 	<frontend>