Quoted from rai:

I just played Wonka for the first time out in the wild, was not impressed. My opinion may change with more play time but Wonka is currently not on my radar to buy.

Quoted from PanzerFreak:

That video is from when the game first came out, a ton has changed with the code since then. All of items below have been added / changed since that video, especially to the music, callouts, sound affects, and animations.
==============================================================================
== Version 01.09 July 19, 2019 ==
==============================================================================
- NOTE: This is a "delta" upgrade, which can be installed over V01.06 &
V01.07 & V01.08.
=== Game Code
* Adjusted Gobstopper lockup release coil pulse to try and make it more
forgiving of differences in line voltage.
+ Added a Wonkavator test.
* Fixed a bug in the computer award ticket display logic that could cause
the game to crash.
==============================================================================
== Version 01.08 July 10, 2019 ==
==============================================================================
- NOTE: This is a "delta" upgrade, which can be installed over V01.06 & V01.07.
=== Game Code
* Corrected a potential game hangup during Gobstopper Multiball restart.
- Attract mode motion detected speech is now enabled by default.
* Various bug fixes and improvements.
==============================================================================
== Version 01.07 June 24, 2019 ==
==============================================================================
- NOTE: This is a "delta" upgrade, which can be installed over V01.04 & V1.06.
=== Game Code
* Changed skill shot advance factory to not pick a mode that is currently running.
+ Kickback and G.U.M. rule is now disabled during Golden Ticket Modes.
* Increased the value of Oompa Loompa Super Jackpots.
* Prevent rollback super jackpot shots in Oompa Loompa Odyssey.
* Added/updated lots of music, sound, speech, graphics, and lamp effects.
==============================================================================
== Version 01.06 June 20, 2019 ==
== MD5 Checksum: 7a960083ba2b6cca7e9f9e0a054f6070 ==
==============================================================================
- Note: This is a "full" install release.
=== Game Code
* Fixed an issue in Wonkavator multiball where you could lock balls for super
while multiball was starting and cause the super jackpot to be lit with
only one ball locked in the gobstopper.
==============================================================================
== Version 01.05 June 20, 2019 ==
==============================================================================
=== Game Code
* Added/updated lots of music, sound, speech, graphics, and lamp effects.
==============================================================================
== Version 01.04 June 17, 2019 ==
==============================================================================
- Note: This is a FULL INSTALL release.
=== Game Code
* Removed the EOS diverter switch from the Standard Game switch table.
* Added/updated lots of music, sound, speech, graphics, and lamp effects.
==============================================================================
== Version 01.03 June 13, 2019 ==
==============================================================================
=== Game Code
* Added/updated lots of music, sound, speech, graphics, and lamp effects.
+ Hitting the kid target now gives a one time Super Spinner shot at the spinner.
+ Added random speech in attract mode when the camera detects movement.
+ Hold Bonus on a last ball now doubles bonus if the player has bonus x greater than 1.
==============================================================================
== Version 01.02 June 11, 2019 ==
==============================================================================
=== Game Code
* Added/Updated production team member names.
* Flipped the order of led test for Fizzy Lifting Drink Room and Inventing Room.
* Fixed lamp buffer ordering.
* Smartened up the diverter during wizard modes.
* Fixed bug causing factory tour awards to increase in difficulty too soon.
+ Added EOS diverter switch to switch table.
* Fixed bug that made Mike Teavee unqualified in competition mode if you didn't complete him.
* Removed flying letters from the TV eject. Now it is just flying hats.
* Fixed bug that gave free jackpots on Wonkavator Multiball start when the balls are dropping out.
* Added/updated lots of speech and lamp effects.
* Wonkavator Multiball lock behavior now doesn't change on maintenance reboot.
+ Charlie and Veruca now stack if you get back around to their modes before you play all five kids in Kid Multiball.
* Upper left flipper magnet now fires sooner after left ramp made switch is triggered.
==============================================================================
== Version 01.01 June 6, 2019 ==
==============================================================================
=== Game Code
+ Added speech callouts for when wizard modes are lit.
+ Added big points to Captive Ball Buildup Awards in case their is nothing remaining.
* Adjusted/balanced scoring in Wonka's Office wizard mode.
* Removed Shoot Again lamp from effects in Wonka's Office wizard mode.
* Added/updated music, sound, speech, graphics, and lamp effects.
+ Gobstopper motor now spins in the Gobstopper diag test.
* Fixed descriptions of Fizzy Lifting and Inventing Room lamps in Diag.
==============================================================================
== Version 01.00 June 5, 2019 ==
==============================================================================
=== Game Code
* Added/updated lots of music, sound, speech, graphics, and lamp effects.
* Adjusted/balanced lots of scoring