Besides the language up date as seen posted above by SovereignGrace here is a few other things.
Note modern version refers to all KJV Bibles after the 1611
Here is the Leter reference/ reference list
Abbreviations:
S - Stephens 1550
B - Beza 1598
E - Elzevir 1624
C - Complutensian Polyglot 1522
Er - Erasmus 1527
Vul - Clementine Vulgate 1592
Tyn - Tyndale 1535
Gen - Genevan Bible 1560
Bish - Bishops Bible 1568
Mark 8:14 Modern editions italicize the disciples, in accordance with S E. But the text of 1611 was probably based upon B.
Mark 9:42 Modern editions italicize these, in accordance with S B E. But the text of 1611 was probably based upon C Vul.
John 8:6 Modern editions italicize as though he heard them not at end of verse, in accordance with S B E. But the text of 1611 was probably based upon C S1546 S1549 and the Bishops' Bible.
Acts 1:4 Modern editions italicize them after assembled together with, in accordance with S E. But the text of 1611 was probably based upon B.
Acts 26:3 Modern editions italicize because I know, in accordance with S E. But the text of 1611 was probably based upon B.
Acts 26:18 Modern editions italicize and before to turn, in accordance with S E. But the text of 1611 was probably based upon B.
1 Cor 14:10 Modern editions print the words of them in ordinary type, in accordance with S B E. But the text of 1611 had them in italics, in accordance with Vul.
Heb 12:24 Modern editions italicize that of before Abel, in accordance with S B E. But the text of 1611 was probably based upon Er.
1 John 3:16 Modern editions italicize of God after love, in accordance with S E. But the text of 1611 was probably based upon C B.
Rev 11:14 Modern editions italicize and before behold, in accordance with S. But the text of 1611 was probably based upon B Vul.
Rev 19:18 Modern editions italicize both before free, in accordance with S B E. But the text of 1611 was probably based upon C.
Then we have the following other changes from the original 1611 .
* Mat 3:12 Add he before will burn up.
Mat 6:3 Add hand after right.
* Mat 9:34 Omit the before devils.
* Mat 12:23 Add not before this the son.
* Mat 13:6 Read had no root instead of had not root.
Mat 16:16 Add the before Christ.
Mat 16:19 Add and before whatsoever thou shalt loose.
Mat 26:75 Read word instead of words.
Mat 27:22 Read Pilate saith instead of Pilate said.
* Mat 27:52 Add the before saints.
Mark 2:4 Add the before press.
Mark 5:6 Read he ran instead of he came.
* Mark 6:7 Read he called instead of he calleth.
* Mark 6:53 Read Gennesaret instead of Genesareth. 1611 followed another source. 1769: S B E. 1611: Er Vul.
Mark 10:18 Read [there is] none good but one instead of there is no man good, but one.
Mark 11:8 Read branches off the trees instead of branches of the trees.
Luke 1:3 Add all before things.
Luke 1:74 Read hand instead of hands.
Luke 3:21 Omit and before it came to pass.
* Luke 8:8 Add had before said.
* Luke 11:16 Read others instead of other.
Luke 17:34 Add and before the other shall be left.
* Luke 18:9 Read others instead of other.
Luke 19:9 Read a son of Abraham instead of the son of Abraham.
Luke 20:12 Read sent a third instead of sent the third.
Luke 23:19 Read cast into prison instead of cast in prison.
John 5:18 Transpose not only because he to because he not only.
John 7:16 Add and said after Jesus answered them.
John 8:30 Read these words instead of those words.
John 11:3 Read his sisters instead of his sister.
* John 11:34 Read They said unto him instead of They say unto him.
John 12:22 Read tell Jesus instead of told Jesus.
John 15:20 Read than his lord instead of than the Lord.
* John 16:25 Add but before the time. 1611 followed another source. 1769: S B E. 1611: Er Vul.
John 21:17 Read He saith unto him instead of he said unto him.
Acts 2:22 Add and before wonders.
* Acts 5:34 Add the before law.
Acts 7:35 Read by the hand instead of by the hands.
Acts 8:32 Read his shearer instead of the shearer.
* Acts 10:9 Add top after upon the house.
* Acts 18:5 Add the before spirit.
* Acts 19:19 Transpose also of them to of them also.
* Acts 24:14 Add in before the prophets.
Acts 24:24 Read Jewess instead of Jew.
Acts 27:18 Read And we being exceedingly tossed with a tempest, the next [day] instead of And being exceedingly tossed with a tempest the next day.
Rom 3:24 Read Christ Jesus instead of Jesus Christ.
Rom 4:12 Add who before also walk.
Rom 6:12 Transpose reign therefore to therefore reign.
* Rom 7:2 Read law of her husband instead of law of the husband.
Rom 7:13 Transpose Was that then to Was then that.
Rom 11:28 Read for your sakes instead of for your sake.
Rom 12:2 Read and acceptable instead of that acceptable.
Rom 14:6 Read regardeth the day instead of regardeth a day.
Rom 14:10 Add for before we shall all stand.
* 1 Cor 4:9 Read appointed to death instead of approved to death.
1 Cor 7:32 Read things that belong instead of things that belongeth.
1 Cor 10:28 Add for before the earth is.
1 Cor 12:28 Read helps, governments instead of helps in governments.
* 1 Cor 13:2 Read have not charity instead of have no charity.
* 1 Cor 14:15 Add I before will pray.
* 1 Cor 14:18 Read than ye all instead of than you all.
1 Cor 14:23 Read one place instead of some place.
1 Cor 15:6 Read After that instead of And that.
1 Cor 15:41 Read and another glory of the moon instead of another of the moon.
1 Cor 15:48 Add also before that are earthy.
1 Cor 16:22 Read anathema, Maranatha instead of Anathema Maranatha.
* 2 Cor 5:1 Read made with hands instead of made with hand.
2 Cor 5:2 Read groan, earnestly desiring instead of groan earnestly, desiring.
2 Cor 5:20 Omit that before be ye reconciled.
2 Cor 8:21 Add also before in the sight.
2 Cor 9:5 Add and before not.
2 Cor 9:5 Add as before of covetousness.
2 Cor 9:6 Add also after reap twice.
2 Cor 11:26 Read journeyings instead of journeying.
2 Cor 11:32 Add of the Damascenes after the city.
* Gal Title Add the Apostle before to the Galatians. 1611 followed another source. 1769: E. 1611: S.
Gal 3:13 Add a before tree.
* Gal 5:15 Add that after take heed.
* Eph 1:9 Read hath purposed instead of had purposed.
Eph 4:24 Read the new man instead of that new man.
* Eph 6:24 Add Amen at end of verse. 1611 followed another source. 1769: S E. 1611: Vul.
Phil 4:6 Read requests instead of request.
2 Th 2:14 Read our Lord Jesus Christ instead of the Lord Jesus Christ.
1 Tim 1:4 Add godly before edifying.
* 1 Tim 2:9 Read shamefacedness instead of shamefastness.
2 Tim 1:7 Add and before of love.
* 2 Tim 1:12 Omit I before am persuaded.
2 Tim 2:19 Read this seal instead of the seal.
2 Tim 4:8 Add all before them also.
2 Tim 4:13 Add and the books after bring [with thee].
Heb 3:10 Read their heart instead of their hearts.
Heb 8:8 Add with before the house of Judah.
Heb 11:23 Add were before not afraid.
Heb 12:1 Omit unto before the race.
James 5:2 Add are before motheaten.
1 Pet 2:1 Add all before evil speakings.
1 Pet 2:5 Read sacrifices instead of sacrifice.
1 Pet 2:6 Add also after Wherefore.
* 1 Pet 5:10 Read called us unto instead of called us into.
1 John 2:16 Add and before the lust of the eyes.
* 1 John 3:17 Read have need instead of hath need.
1 John 5:12 Add of God after hath not the Son.
Jude 1:25 Add both before now and ever.
Rev 1:4 Add which are before in Asia.
Rev 1:11 Add unto before Philadelphia.
Rev 5:13 Add and before honour.
Rev 5:13 Add and before glory.
Rev 12:14 Read fly instead of flee.
Rev 13:6 Read them that dwell instead of them that dwelt.
* Rev 17:4 Read precious stones instead of precious stone.
* Rev 22:2 Read on either side instead of of either side
Hope this helps . Note none of the above changes are spelling or grammar. It’s translation differences .
Blessings
Bill
