Second Duelist Trial Prize cards already announce on official site.
Here Prize Cards you can get

Date and Time
2010/07/16 20:00 JST – 2010/07/17 00:00 JST
2010/07/17 04:00 JST – 2010/07/17 08:00 JST
2010/07/17 12:00 JST – 2010/07/17 16:00 JST
2010/07/17 20:00 JST – 2010/07/18 00:00 JST
2010/07/18 04:00 JST – 2010/07/18 08:00 JST
2010/07/18 12:00 JST – 2010/07/18 16:00 JST
2010/07/19 06:00 JST – 2010/07/19 10:00 JST
2010/07/20 00:00 JST – 2010/07/20 04:00 JST
2010/07/20 18:00 JST – 2010/07/20 22:00 JST
2010/07/21 12:00 JST – 2010/07/21 16:00 JST
2010/07/22 06:00 JST – 2010/07/22 10:00 JST
Expiration Date of this Special Pack is 2010/07/30.
Konami decide to rerun this event again (Third Duelist Trial).
Date and Time
2010/08/06 20:00 JST – 2010/08/07 00:00 JST
2010/08/07 04:00 JST – 2010/08/07 08:00 JST
2010/08/07 12:00 JST – 2010/08/07 16:00 JST
2010/08/07 20:00 JST – 2010/08/08 00:00 JST
2010/08/08 04:00 JST – 2010/08/08 08:00 JST
2010/08/08 12:00 JST – 2010/08/08 16:00 JST
2010/08/09 06:00 JST – 2010/08/09 10:00 JST
2010/08/10 00:00 JST – 2010/08/10 04:00 JST
2010/08/10 18:00 JST – 2010/08/10 22:00 JST
2010/08/11 12:00 JST – 2010/08/11 16:00 JST
2010/08/12 06:00 JST – 2010/08/12 10:00 JST
New Booster Pack release today Crimson Crisis now available.

New Regulation was added It’s Ban List from previous season (Spring 2010).

Game Version change to 1.063 with a new music Right now we are in Summer Season (There are seperate sound file for each season and this bgm is bgm of Summer Season).
Rumour from Neowing.co.jp is true it seem like konami release future update info to some company/seller/site.
We also have new duelist trial check it out http://www.yugioh-online.net/v3/events/schedule.
Here an update detail from official site.
Here comes the all new “CRIMSON CRISIS” BOOSTERPASS!
Activate Assault Mode!
The powerful cards used by Yusei and Jack are now inclided!
The fourth deck to be added to the Starter Pass!
The new “Team Score” function has been added.
You may now redeem the TP from the previous season.
The banned and limited card list has been revised.
7/17 The new BOOSTERPASS “DARK NECROMANCER” has released!
A jet-black field devouring all
The gate to Zombie World is open!
From : http://www.yugioh-online.net/v3/news/whatsnew#MDSID6682
About Tournament Point Ranking Prize Cards Test Tiger and Veil of Darkness are available in Prize Selection screen, It’s YOC Summer 2009 Prize Cards and You can get Tournament Point by winning a duel in Event now.
Some text about User Event and YOC was change from previous patch.
C H A M P I O N S H I P C H A M P I O N S H I P L o b b y T h e P R E L I M I N A R Y R O U N D f o r t h e t o u r n a m e n t t h a t w i l l d e c i d e t h e G R E A T E S T D U E L I S T i n Y u – G i – O h ! O N L I N E .
P a r t i c i p a t i o n i s a v a i l a b l e t o p l a y e r s w i t h a v a l i d D u e l i s t p r e m i u m , a n d w h o s e t o t a l n u m b e r o f d u e l s e x c e e d t h e t o u r n a m e n t r e g u l a t i o n . T h e F I N A L S f o r t h e t o u r n a m e n t t h a t w i l l d e c i d e t h e G R E A T E S T D U E L I S T i n Y u – G i – O h ! O N L I N E . 1 s t R o u n d 2 n d R o u n d 3 r d R o u n d 4 t h R o u n d 5 t h R o u n d 6 t h R o u n d Q u a r t e r – F i n a l S e m i – F i n a l s F i n a l T o u r n a m e n t c o m i n g u p D r a w A n n o u n c e m e n t c o m i n g u p E n t r y D r a w c o m i n g u p D r a w A n n o u n c e m e n t M a t c h – u p s A n n o u n c e m e n t c o m i n g u p M a t c h – u p s c o m i n g u p M a t c h – u p s A n n o u n c e m e n t P r e p a r e t o D u e l D u e l i n P r o g r e s s D u e l C o m p l e t e d R e s u l t s T o u r n a m e n t C o m p l e t e d D u e l i s t A u d i e n c e E n t r y D r a w s t a r t s i n A n n o u n c i n g M a t c h – u p s i n 1 s t R o u n d s t a r t s i n 2 n d R o u n d s t a r t s i n 3 r d R o u n d s t a r t s i n 4 t h R o u n d s t a r t s i n 5 t h R o u n d s t a r t s i n 6 t h R o u n d s t a r t s i n Q u a r t e r – F i n a l s t a r t s i n S e m i – F i n a l s s t a r t s i n F i n a l s t a r t s i n R e m a i n i n g T i m e T I M E S e l e c t i n g p l a y e r s f o r e n t r y & Y o u h a v e m a d e i t i n t o t h e P R E L I M I N A R Y R O U N D ! U n f o r t u n a t e l y , d u e t o t h e r e s u l t s o f o u r E n t r y D r a w , y o u w e r e u n a b l e t o e n t e r t h e P R E L I M I N A R Y R O U N D . P l e a s e t r y a g a i n w h e n t h e n e x t T r i a l c o m e s . Y o u h a v e m a d e i t t o t h e F I N A L S ! U n f o r t u n a t e l y , d u e t o t h e r e s u l t s o f o u r R e s e r v e s D r a w , y o u w e r e u n a b l e t o m a k e i t t o t h e F I N A L S d r a w . W e t h a n k y o u i n a d v a n c e f o r y o u r s u p p o r t . R e c r e a t i n g D r a w & S t a r t i n g 1 s t R o u n d S t a r t i n g 2 n d R o u n d S t a r t i n g 3 r d R o u n d S t a r t i n g 4 t h R o u n d S t a r t i n g 5 t h R o u n d S t a r t i n g 6 t h R o u n d S t a r t i n g Q u a r t e r – F i n a l s S t a r t i n g S e m i – F i n a l s S t a r t i n g t h e F i n a l 1 s t R o u n d h a s n o w f i n i s h e d . 2 n d R o u n d h a s n o w f i n i s h e d . 3 r d R o u n d h a s n o w f i n i s h e d . 4 t h R o u n d h a s n o w f i n i s h e d . 5 t h R o u n d h a s n o w f i n i s h e d . 6 t h R o u n d h a s n o w f i n i s h e d . T h e Q u a r t e r – F i n a l s h a v e n o w f i n i s h e d . T h e S e m i – F i n a l s h a v e n o w f i n i s h e d . T h e F i n a l h a s n o w f i n i s h e d . W e h a v e a W I N N E R ! C H A M P I O N S H I P i n P r o g r e s s ! ! T h e C H A M P I O N S H I P i s n o w F i n i s h e d .
U s e r E v e n t D e t a i l s M a x # o f P a r t i c i p a n t s S e s s i o n T i m e P a r t i c i p a t i o n C r i t e r i a P a r t i c i p a t i o n L i m i t W a t c h V i e w R e s u l t s S t a n d a r d s e t t i n g s P a r t i c i p a t e i n t h i s e v e n t . W a t c h t h i s e v e n t . D i s p l a y t h e r e s u l t s f o r t h i s e v e n t . R e t u r n t o t h e E v e n t L i s t . S e t D u e l C o n d i t i o n s C h a n g e S p e c i a l P a c k s S e l e c t S p e c i a l P a c k s . [ R e d ] [ B l u e ] [ G r e e n ] [ P u r p l e ] [ Y e l l o w ] I n p u t E v e n t N a m e . C r e a t e t h i s e v e n t a n d e n t e r y o u r s e l f a s a p a r t i c i p a n t . C a n c e l e v e n t c r e a t i o n a n d r e t u r n t o t h e E v e n t L i s t . E v e n t c o m i n g u p E v e n t M e n u S t a r t C a n c e l R e a d y N o t R e a d y A u t o C a n c e l i n % 0 2 d : % 0 2 d O p e n E v e n t M e n u . S t a r t e v e n t . O n c e s t a r t e d , a n e v e n t c a n n o t b e c a n c e l l e d . C a n c e l e v e n t . D i s p l a y d e t a i l s o f t h i s u s e r e v e n t . P l a c e y o u r s e l f o n R e a d y s t a t u s . D u e l e v e n t w i l l c o m m e n c e o n c e a l l p a r t i c i p a n t s a r e R e a d y . R e t u r n y o u r s e l f t o S t a n d b y s t a t u s . C l o s e E v e n t M e n u . E v e n t p a r t i c i p a t i o n r e j e c t e d . E v e n t c a n c e l l e d .
This is the second Yu-Gi-OH Online 3 Duel Accelerator Ban List Effective 2010/07/16
Forbidden (Not allow in Deck/Side Deck)

I can’t find anything new about this patch only bug fix and version change to 1.059.

There is only 1 Menu was added It’s Leaderboard. When you click on it it will open your browser to Ranking Page from official site (It will display Top Ranking Player in term of wins/winning streak/).

“GUNSLINGER” is an event where the players participate in Auto Match Single Duel and compete in the number of consecutive wins.
If you want to participate in this event go to Stadium on the event time (There will be a stadium icon when It’s event time). Select the event currently being held and click the “Ready” icon.

If you click the “Ready”, the auto-matching single duel is started, Win a duel and get ☆!.
When ☆ reach certain numbers, players can select the “Special Pack” at “Saiga’s Hideout”
When the number of ☆ reaches 5, 12, 19…, one “Gunslinger Bronze” special pack will be added.
When the number of ☆ reaches 6, 13, 20…, one “Gunslinger Silver” special pack will be added.
When the number of ☆ reaches 7, 14, 21…, one “Gunslinger Gold” special pack will be added.

You can enter “Blister’s Hideout”, select “Purchase a special pack” and purchase one.
You can purchase it for times the pack are added.
You can get one card by purchasing one pack.
・“Booster Pass point”(10 points) is needed to purchase the pack.
・The time to purchase the pack is limited.
・When the limited time is over, the pack can’t be selected.
・Even after the event ends, the pack can be selected for a limited time.
・The limited time is indicated in the game.
- Booster Pass Point is not spent by dueling.
- If you lose a match, your ☆ will be reduced to zero.
- You will need Duelist Premium to participate in GUNSLINGER.
- For GUNSLINGER held at different time, the number of your ☆ won’t be transferred.
- The opponent’s Player Name will not be shown.
- Even if a duel is not finished in the limited time, it is effective if a duel is finished in less than 60 minutes from the limited time.
- If a duel is finished over 60 minutes from a limited time, it is not effective.
- A card you get is a virtual card in YU-GI-OH! Online. It is not a real card.
- Tournament points are not added in this session.
From : http://www.yugioh-online.net/v3/events/guns_info
Here a First Gunslinger Event Prize Cards.

Expiration Date for This Prize Cards is 2010/07/23

Duel Field and Music are the same one you see in Duelist Trial.
Gunslinger Event will hold on
2010/07/08 16:00 – 2010/07/08 20:00
2010/07/09 10:00 – 2010/07/09 14:00
2010/07/09 20:00 – 2010/07/10 00:00
2010/07/10 04:00 – 2010/07/10 08:00
2010/07/10 12:00 – 2010/07/10 16:00
2010/07/10 20:00 – 2010/07/11 00:00
2010/07/11 04:00 – 2010/07/11 08:00
2010/07/11 12:00 – 2010/07/11 16:00
2010/07/12 16:00 – 2010/07/12 20:00
2010/07/13 10:00 – 2010/07/13 14:00
2010/07/14 04:00 – 2010/07/14 08:00
From : http://www.yugioh-online.net/v3/events/schedule
A Few thing different from YO2 Gunslinger is Event Time. YO2 have 12 round – 6 round on 1 week and on the weekend but YO3 event time is 7 days 11 round and on the whole week.
We also have 1 more hour for Gunslinger Event (YO2 Gunslinger is 3 Hour Event).