You can take the Hide action in any natural environment and gain improved mobility, fitting the Tabaxi's predatory instincts.

You can use an action to try to detect the presence of hidden traps and secret doors, and you add your proficiency bonus to initiative if you are using optional Tasha rules, but using classic 2014 rules this feature is not included. Included here is the standard Rogue progression note only.

You can use the bonus action granted by Cunning Action to Dash, Disengage, or Hide.

You can use your reaction to reduce falling damage and move 5 feet for every 10 feet fallen.

Claws serve as natural weapons that deal slashing damage and can be used unarmed.

Your walking speed increases by 10 feet until the end of your turn if you move no more than half your speed on a turn. You can use this trait again after resting or spending a minute to reset focus.

You have proficiency in the Perception and Stealth skills.

You gain proficiency in thieves' tools, one set of your choice from the rogue list, and the Sneak Attack feature.

Choose a roguish archetype, here Inquisitive. You gain its 3rd-level features.

You can make one attack each turn deal extra damage equal to 10d6 when you have advantage or an adjacent enemy of your target is within 5 feet and you do not have disadvantage.

You gain your first set of Ability Score Improvement options.

You can halve the damage of an attacker you can see when it hits you with an attack.

Your proficiency bonus is doubled for two skills or tools you are proficient with.

You gain a second use of Expertise, and your Sneak Attack increases to 3d6.

Your Sneak Attack increases to 4d6.

You gain the Evasion feature, allowing you to take no damage on a successful Dexterity save and half on a failure.

You gain an Ability Score Improvement or feat.

You can no longer be tracked by nonmagical means unless you choose to leave a trail.

Your Sneak Attack increases to 5d6.

You gain another set of Expertise options.

You gain an Ability Score Improvement or feat.

Your Sneak Attack increases to 6d6.

You gain the Blindsense feature, letting you sense nearby invisible creatures and hidden foes within 10 feet.

Your Sneak Attack increases to 7d6.

You gain another set of Expertise options.

You are proficient with a second set of rogue weapons and gain the class capstone progression toward mastery of skill and stealth.

You gain Slippery Mind, proficiency in Wisdom saving throws.

Your Sneak Attack increases to 8d6.

You gain an Ability Score Improvement or feat.

Your Sneak Attack increases to 9d6.

Your roguish archetype grants its 13th-level feature.

You gain Elusive, meaning no attack roll against you has advantage while you are conscious unless you are incapacitated.

You gain an Ability Score Improvement or feat.

Your Sneak Attack increases to 10d6. When you roll initiative and have no uses of stroke-like luck remaining, you regain one use.

Your roguish archetype grants its 17th-level feature.

If you do not know a piece of lore, you often know where and from whom you can obtain it. Usually, that information can be found in a library, archive, university, or through a network of scholarly contacts.