Heirs’ lawyer says firm “sets a standard of best practice” for private collectors

Feather entrepreneur most likely sold windmill painting under duress, Limbach Commission finds

Iranian authorities miss German deadline to issue export permits

Munich Higher Regional Court concludes that Gurlitt was mentally capable of articulating his final wishes

Max Stern Foundation recovers paintings consigned to German auction houses on tips from anonymous informer and police

Alfred Flechtheim’s descendants say paintings by Beckmann, Gris and Klee were sold under duress after the Nazis seized power

Susanna by Reinhold Begas will remain on loan to the Alte Nationalgalerie

New museums in Weimar and Dessau, extension to Berlin archive and “Grand Tour of Modernism” are among initiatives planned

Government steps in to fill funding gap for project after private partner withdraws

Culture minister promises greater transparency for Limbach Commission in plan approved by cabinet

German capital’s museum authorities say they are confident that show will still open in December

New building will host Asisi’s Pergamon panorama and a frieze from the altar

Director calls for admission-free museum to draw Berliners as well as tourists

Authorities consider alternative location to show Berlin museum’s prized Pergamon Altar<br> <br>

Frankfurt museum discovers Expressionist canvas from 1926 under another late painting

The maker of baking products, muesli and pizza, promises to return any plundered art to heirs of Jewish owners

Winning design is compared to a station, an indoor riding school, a temple and a marquee

Städel Museum found Café Scene during tests on Sleigh Trip in the Snow

Heiner Bastian has donated his David Chipperfield-designed gallery for use as an educational centre

Dusseldorf gallery displays work long-hidden in family altar retable

City says drawing was sold under duress, probably to fund escape to US by couple persecuted by the Nazis

Collection of Dorothee and Konrad Fischer, pioneering champions of conceptual art, to be exhibited at K20 museum

Library has saved half a million pages since major fire of 2004

Winning plan by Olson Kundig of Seattle proposes a rainbow gallery and an exit slide

Collection was assembled by the philanthropists Christof and Ursula Engelhorn over many decades

Photographer Mohamad Al Roumi offers a peaceful alternative view of his home country

Nazi-era loot expert panel has no Jewish member and has mediated just 13 cases since 2003

Collectors, dealers and high-profile artists campaigned hard against tightening import and export rules