• Animations for Pokémon are no longer disabled and is working for all Pokémon. (Sprites by MrDollSteak Sprite Resource)
• By editing IV's and levels, the areas of the first four Gyms are easier, Post 8th Gym is a bit harder, and Post 16th Gym is a good bit harder (Much smother difficulty curve overall, about 6 levels higher at the end).
• Pokémon stats, moves learnset (mainly TMs and Tutors anyway - and some level-up moves), move power, items and more is updated to match Gen7 from Gen6.
• Iron Head, Flash Cannon, Dark Pulse and Zen Headbutt have been added into the game.
• Steel no longer resist Dark and Ghost.
• Opponent trainers should now properly recognize Fairy type.
• Icons for Physical/Special/Status moves (physical/special split already existed).
• Mega Pokémon now can actually learn moves, and can change back by using the Mega Stone again (It's still acts like normal evolution though).
• Cameron's Dojo is now less of a grind and won't overlevel your team using it.
• Scarfed Pikachu is a lot stronger (but still reasonable, just enough to not be terrible going 1v6), learns every HM, and has a updated sprite.
• Riolu and Shinx are now on-par with the other starters stat wise.
• Most gift and trade Pokémon are now holding items, and many wild Pokémon now have held items they can hold in later games.
• EV capped at 252.
• Stats now show color based on Nature.
• Mew/Arceus (aka Deoxys) from outside of the event now will always obey.
• Default options when starting a new game will have the text speed set to "Fast", sound setting set to "Stereo", and PC boxs will now use all 12 wall papers when starting a new save instead of repeating the first 4.
• Maps had 99% of errors fixed, so no more invisible walls or tables you can walk though.
• A bunch of Pokédex stuff fixed.
• Lots. Of. Bug fixes.
• Overall lots of quality improvements.

-Pokémon changes:

-Riolu and Lucario now have move-pools similar to gen8 (Notably, there's no exclusive moves pre-evolution, and Riolu is now much better).
-Ekans, Crogunk, Tangala lines level-up sets revamped. Still limited to the Gen3 move pool and will be trash endgame, but will be way better early game.
-Tauros, Mienfoo, and Mienshao now learns Super Power (all Pokémon that learns Close Combat learns Super Power instead in Glazed, and these three can now learn this move in the first dlc update in Sword/Shield).
-Other various Pokémon had their level-up sets adjusted too.
-Kyurem has a second ability (a second copy of Pressure, should fix Kyurem who gone through the trade/defuse event).
-Kyurem Black can now learn Thunderbolt, Thunder, and Thunder Punch via TM/Tutor, and Kyurem White now learns Flamethrower, Fire Blast, and Fire Punch via TM/Tutor (both previously could learn these moves via level-up).
-Kyurem obtained from form change will now have 30ivs across all of its stats, instead of 4-5ivs.
-Added a better sprite for Scarfed Pikachu by Ryoncai.
--Now includes a unique shiny sprite instead of being identical.
-Updated 20 Pokémon sprites to include 2 frame animations. They didn't exist back in 2019, but now they do and so are included.
--Mega Pokémon are the only ones without 2 frame animations now. While Salamence and Blastoise has them available, I left them out for consistency with the others.
--I did update Mega Blastoise to use the new 1st frame sprite though.
-Dark Pulse, Iron Head, Flash Cannon, and Zen Headbutt have been added into the game and added to various move-pools.
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Gameplay/balance:

-Cut tree in Oceanview Park moved, allowing access to the grass without needing to backtrack (or more often, forgotten about).
-Oceanview Park Pokémon updated.
-Boosted the exp. that the early Pokémon gives a little bit, so grinding will be required less (this was instead of adjusting the super early game levels, and having to adjust the rest of the game around that).
-Early levels for wild Pokémon also adjusted.
-Trainer levels now appears in proper order of progression in the early game.
-The Trainer Lighthouse is way more forgiving (still dangerous for Nuzlokes, but it's no longer a death trap for them).
--It should be noted that players always had the option to leave at any time, though it's not immediately obvious.
-Early gym leaders are no longer using super competitive move-sets, which the player is nowhere close to having at those points in the game.
-HM moves can now be forgotten any time.
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Map changes:

-Glenwood Town bench fixed. (By restoring the layout from 7b)
-Chocco Town bench fixed.
-All/most Johto gatehouses right side entrance fixed.
-Geminite River slightly fixed.
-Bolder in Mt. Stratus moved out of the way.
-Route 44 slightly fixed.
-Pokéball in Milkshake Swamp replaced with an Antidote.
-Added fix for Ruins of Alph script not working.
-Unbroke tiles on Route 44.
-Fixed movement permission in Cameron's Dojo.
-Moved doorway over a tile in Mt. Tritorch to avoid a burn spot.
-Lettucelake Park shrine fixed removed, instead replaced with an off-screen door to do the same thing.
--This is referring to a fix I made where people sometimes got stuck in version 7b, though it was accidentally being activated under normal conditions by spamming the A button.
--Lettucelake Park is where you warp to/from Espo Forest. Though the name goes unused since it's for a cutsceen only.
-Stormy City poll top tile fixed.
-Fusion Resort Plants fixed.
-Fixed tile reflection issue in Northcoast City (what I can without triple layer tiles anyway).
-Tile fixed in Seaspreay Town.
-Fixed-up wave tile effect in Soheal's Strait (the best it can without triple layer).
-Fixed map edge in Cherrygrove City.
-Fixed map edge in Glenwood Town.
-Fixed movement permission in Whirl Islands underwater.
-Church of Alpha tile fixed.
-Alpha Isle Gym tile fixed.
-Donut shop tile fixed.
-Removed the tv-in-a-table for some Tunod homes. (To go with an earlier fix for Johto houses.)
-Fixed multiple tiles in the 7th gym.
-Fixed movement permission in Tunond Safari Zone.
-Fixed some shadows in Fusion Resort.
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Other:

-The player name will now always default to the cannon name of either BRANT or ALEXA, rather than picking 1 of 20 different names default names from Emerald (that's 20 per gender).
-Also changed a few random trainers names so that there are no trainers with identical names.
-Repointed the sprites of several Pokémon to make them compatible with Hex Maniac, and safe to edit if someone tries to do so.
-Rearranged the National dex to be in a proper order.
--Like Pokémon appear together in their earliest appearance (So Magby, Magmar and Magmortor all appear before Pincer). I'm not a fan of having the order that way, but I'm keeping them together since it makes it easier to identify whether an evolution is present in the game or not without a guide.
-Type 0 animations, the default/most common, now animate properly (when I un-disabled animated sprites in 8.0, the most common animation type wasn't fully restored and only switched between the 2 frames without otherwise moving).
-Added updated trainer sprites, badges, frontier pass, Trade Stone and all Donuts by Ryoncai.
--Plain Donut has been changed to Frosted Donut, since Glazed Donuts are nearly identical visually to Plain Donuts.
-The Pokédex is now evaluated by Prof. Willow, instead of Prof. Birch.
-Added a sign for the boat house in Stormy City leading to Trainer Isle.
-Added to all ferry houses in Rankor a npc that can take you to Trainer Isle.
-Added a npc in Trainer Isle that can take you to Rankor (appears only after you get your gen6 starter in Rankor).
-Removed reference to Sylveon, who's not in the game.
-Finally fixed the green text remaining green at the Northcoast City Gym.
-Sign changed from "Move Relearner" to "Pokémon Club House", since the Nickname Rater and Move Deleter exists there now too.
-A bunch of text/grammar fixes in multiple areas.
-Cyndaquil toy's note updated to say Glazed version 8.7

Red Level:Note: these top few are all part of the same glitch.
***Articuno, Johto 7th Gym, Illix Forest and more all have reports of: The event not triggering, the event re-triggering, having missing NPC, NPC unresposive, and/or having NPC reappear after they should be gone.
*The cave for Articuno may close back up.
***Goldenrod train-station/Lance event may not activate.
***The Legendary Dogs are supposed to appear in the Bell Tower later in the game, but sometimes some or all of them doesn't appear (Walk though walls cheat to the lower left of the map to find the dogs).
***Clair's Gym may not open/Dragonite event may not trigger.

Yellow Level:
*Timburr family, Druddigon, black/white Kyurem, Gen6 starters, Mega Pokémon and the event battle Pokémon exist in the limbo slots between Celebi and Treecko, causing them to be forced to have Unown cry and corrupt Pokédex entries.
*There is also the possibly of Bulbasar Eggs when breading these Pokémon and very rarely turning into a Bad EGG (Also Mega Pokémon can breed).
*Froakie and Gurderr will crash the game if caught (and the special Mew and Pikachu, but only if extra Master Balls is cheated in and used).
--(The above fix by expanding the Pokedex.)
***The bait box in the Safari Zone may sometimes spawn multiple shiny Pokémon, which becomes Bad EGG when caught.
***Route 47 & 48 reuses Battle Frontier limited map based start menu -- can not save on these maps.

Green Level:
***Inventor reappears in the second town after his event until the player reloads the map.
*The player warp on top of a npc when traveling between Rankor.
*Some Pokémon show black text when talking rather than green (most fixed).
*After entering the cave/Pokémon Center, the boat on Haunted Isle can be walked through (caused because technically a different map is loaded).
*NPC doesn't leave after the event with Mew (and it's just a copy of the healer from the previous room).
*Whitney is standing just in view before she walks in in Jasmine's gym.
*Pikachu is still spazzing out after the generator is turned off during the second encounter.
*Rain/Sun doesn't affect water/fire moves (due to the pss system used, so replacing it with a better one will work).
*The spot where the player finds the lost swimsuit can be "pinged" indefinably.
*People in bench in Glenwood pop into exitance entering the town from the east.
*People in Route 48 pop into existence entering the route from the west.
*Coolu cave has clipping tiles on the player's head near some stairs, depending on the direction the player goes (layering issue).
**Some clipping can be seen with NPC sometimes in Spacial Sea (There's probably too many sprites lining up in a row).
**Rankor's champion uses Blakes intro animation.
**Trades/Kyurem form change has visual glitches.
** Route 44, you can sometime see Dragonite in the trees before getting the letter from Mewtwo.
**Some NPC will wander off while you are still talking to them (There's a lot).
**There is a TM 29 (Psychic) in UNION CAVE, when taking it the ball doesn't go away (only part of the ball is shown, hidden behind a rock).
** Palmtree Resort Grunts may not appear when first flying there.
**The NPC that will take you to Lugia is spawned early although this shouldn't happen until later in the story.
**Items found in the cave after Cianwood City respawned after Beating JOHTO E4.
**In the ROUTE just above GOLDENROD CITY there is a fisherman that offers a Feebas if you win in battle. After winning, the player can claim an unlimited amount of Feebas.
***Healing from the hiker on Haunted Isle will dim the screen relative to the weather.
***Doctor Friendship (and possibly others) may call your Pokémon buffer260 or something similar rather than its name (rare - the script looks fine and it doesn't happen to me).
***Text boxes for signs change color when weather is present.
***Visual glitch when scrolling up in the Pokédex.

*Can be fixed
**To be looked into
***Can't figure out/fix

The passwords in Fusion Labs, ugh...
The first one wasn't too bad, although it was only one of those hints that tipped me off, other ones were completely useless to me (might be different for other people). "The hardest material" made sense. Again, to me. (not to mention the others felt intentionally confusing. "April"? "What Dialga uses"? Given the other scientist talks about Revives, the shape the item has, a diamond, seemed as much intentional or arbitrary as the actual hints. Or does April, the fourth of months, represent the four corners of a diamond, which would possibly only make sense in English...? Anyway, one reasonable hint was there.)
I went to the second gate, battled all the trainers, and gained only one hint. Or none, depends on how you see it.
Am I stupid or maybe just oblivious? After googling the solution (again, after all those years) I have no idea how I should have gotten it. Yes, "something about Palkia", but why this word over any other?
I know I'm salty, but it doesn't fit the fond memories I have about my first playthrough. Having to google the solution or brute force it really hampers the experience (this and a particular line from Pikachu early on, but oh well). And yes, I talked to every NPC multiple times and I'm certain I didn't miss anything.
I'd gladly stand corrected if I did though.

I remember having talked to every NPC and figured out the pattern quite easily. Team Fusion is also all about these three Pokémon, so it was clear it had something to do with them.
The first hint that tipped me off was "the hardest material", which is fair enough (common knowledge). But the others were too vague for me. I think the first PC you can access is past the first password, so you are on your own for that, which was fine. Unfortunately the PC blended in as decoration for me and without it, the second and third password hints weren't sufficient in my case. Others might not struggle, but better mention it than not, I think. The NPCs make it very obvious which word to use otherwise.

As a quick overview, my personal struggle in short (and hopefully I didn't miss anything else):

- First password, most useful hint "hardest material", common knowledge though, no(?) accessible PC yet
- Second password, missed the first accessible PC, NPC hints required it, pattern became clear
- Third password, two accessible obvious PCs, easy to figure out after 1&2
(again, I think all the hints are fine, but the first PC seemed crucial)

There are several desks with PCs when you first enter that building. Not all of them work (half of them have NPCs standing in front of them), but you can get all the info there straight away.

there wasn't an accessible PC before the first door... I definitely noticed NPCs standing in front of some (I took it for "flavor"/ambiance first), but none I recall being able to access. I also remember actually going back and re-trace my steps, but I didn't catch one since being aware of the solution.