Mita Norifusa's Dragon Sakura ended in issue 30 of Kodansha's Morning, which was released on June 28th.

Boku no Shokibo na Seikatsu by Fukumitsu Shigeyuki will end in Morning No. 31, on sale July 5th.

Also, two light novel series will be adapted into their own manga series in the September issue of Media Work's Dengeki Comic Gao!:

• Alison, written by Keiichi Sigsawa and illustrated by Kohaku Kuroboshi, will be adapted into a manga series by Hiroki Haruse.
• Toradora!, written by Yuyuko Takemiya and illustrated by Yasu, will be adapted into a manga series by Zekkyou.

Source: Ultimatum Talk

Volume 8 of PEACH-PIT's Rozen Maiden came out on June 23rd. Due to the incidents earlier this year involving Rozen Maiden, volume 8 is barely over 90 pages (a regular volume of manga totals around 200 pages).

On June 24th, the mangaka duo PEACH-PIT posted a message on their blog apologizing for the rushed "ending" of Rozen Maiden. Below is a excerpt from the post:

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Earlier this year, Sirou Tunasima's mecha manga Jinki: Extend was dropped from Mag Garden's Comic Blade due to conflicts between Tunasima and the magazine's Editor-in-Chief. Since then Tunasima has confirmed that more than 10 publishers offered to continue carry Jinki: Extend.

Today Chuosha announced that Jinki: Extend will continue in MediaWork's Dengeki Moeoh. While no official date has been given for when the series will resume serialization, starting with the August issue Dengeki Moeoh will run special illustrations from Tunasima for three issues.

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More details on Honey and Clover creator Chika Umino's new manga The Lion of March (Sangetsu no Lion) have been made available by Hakusensha. According to Young Anime's official website, the new title will begin serialization in Young Animal issue 14, on sale 7/13.

ANN reports that a 4-panel manga of Momoko Sakura's Chibi Maruko-chan will appear on Chunichi Shimbun:

Chibi Maruko-chan was originally a regular-style manga work, serialized in the Ribon shojo manga magazine from 1986 to 1996 and compiled into 15 volumes which have collectively sold 30 million copies.

A new manga titled Gentoushi Series by Ayami Kazama has debuted in Yahoo! Comic's free web magazine Flex Comix Blood.

New installments of Official Another Story Clannad: Hikari Mimamoru Sakamichi de will appear in Broccoli's Comi-Digi Plus (Comi-Digi+) Vol.8 (6/21)

A new manga titled Zo no Senaka by Kujiraiikuko, based on the novel of the same name (which will also be adapted into a movie), will begin serialization in Coamix's Comic Bunch No. 30 (6/22).

Moe + Military mook (magazine + book) MC???Axis has announced that as of volume 5, it will become an independent magazine.

A few new manga series will debut in Akita Shoten's Champion Red:

Champion Red August issue (6/19)
- Franken Fran by Katsuhisa Kigitsu
- Princess wa mimodaeru by Yuuji Sumino

Champion Red September issue (7/19)
- Seifuku Shoujo Semikami! by Seisoku Yamanishi
- Doki Doki Majo Saiban by Ken Yagami

Source: Ultimatum Chat

MangaCast reports that the culture magazine Monocle is currently serializing a new manga from Yasaka Takanori called Kita Koga:

Each issue of Monocle features a pullout chapter of KK printed in right to left format inside the back cover of the mag. So far the insert has come with color plates and has had a decent enough sounding translation.

Shogakukan released a new magazine under the Flower Comics imprint titled Rinka on 6/14. The new magazine serializes manga from popular shoujo mangaka such as Yuu Watase (creator of Fushigi Yuugi), Yumi Tamura (creator of Basara) and Chiho Saito (creator of Revolutionary Girl Utena).

Source: Ultimatum Chat

Three new series will start in the upcoming issues of Shueisha's Super Jump:

Super Jump issue 14 (6/27):
- Que Sera Sera by Hiroyuki Tamakoshi (Boys Be..., Gacha Gacha)

Super Jump issue 16:
- MissCan???Scandal by Nobuto Hagio

Super Jump issue 17:
- Kaitai Shingo by Tai Itou

Also, a new series titled doubt by Yoshiki Tonogai (Higurashi no Naku Koro ni Himatsubushi-hen) will begin serialization in the August issue of Square Enix's Monthly Shonen Gangan (7/12).

Source: Ultimatum Chat

After 40 chapters, Welcome to the N.H.K. (NHK ni Youkoso!) finally came to an ended in the July issue of Shonen Ace. The manga, drawn by Kendi Oiwa, is based on the light novel of the same name from Tatsuhiko Takimoto.