I don't have many notes on these, but here's what I have for model year changes:


1998: Hood latches
Front license plate holder moved to center (was on passenger side)
Bumper guards added to front bumper
Triple hood vents changed to smaller single vent

1999: New smooth center steering wheel

2001: Wider rear view mirror
Quick removal side steps
New instrument cluster
60th Anniversary trim - one year only

2002: X model added
Apex Edition - 2002-2003 only

2003: New 4-spoke steering wheel
New seats with taller seatbacks
Plastic trim around windshield (was painted metal before)
New exterior mirror design
The door key cylinder is now chrome instead of black
Center of dashboard redesigned (radio/HVAC controls-from square to oval)
Power outlet added next to cigarette lighter
Thicker foam around roll bar
Rubicon trim added
Rocky Mountain Edition - 2003-2005
Freedom Edition - one year only
Rubicon Tomb Raider Edition - one year only

2004: Trail Rated badges
Columbia Edition - one year only
Last year for Sahara trim
Willys Edition - 2004-2005

2004.5 Longer Unlimited version introduced in April 2004

2005: Sahara Edition Unlimited Rubicon - one year only

2006: 65th Anniversary trim - one year only
Golden Eagle Edition - one year only


Found some more detailed changed here:

https://wranglertjforum.com/threads/jeep-wrangler-tj-changes-by-year.8165/