View source for New features in version 0.50

{{Spoiler}}
*fluids can now cover items and characters and interact with them
*items made of iron alloys can now rust
*added directional light and day and night which use it
*added some cosmetical weather effects
*[[New Attnam]] has now many new NPCs, for instance a [[sumo wrestler]] who can be challenged
*[[PolyControl|polymorph control]] is now more interesting; you need to see a monster once before you can polymorph into it, and more powerful ones require more intelligence
*added [[wands]] of acid rain, mirroring and necromancy
*added [[scrolls]] of detect material, harden material and golem creation
*added several new monsters, eg. powerful named [[Angel|archangels]] for each god and [[necromancers]] who raise skeletons and zombies to do their bidding
*one can now give pets tactical commands, change their equipment and use them to carry extra stuff (these are accessed using 'C'hat and 'I'ssue commands keys)
*the player can now [[panic]] if he gets hit too much, like the monsters have done in previous versions
*the player can now become exhausted if he fights for too long and/or uses the new r'u'n command too much 
*[[spiders]] are now able to make webs
*you can now get stuck to slime
*badly hurt/trapped bodyparts now become unusable until they regain some HP/become untrapped
*it is now possible to browse detailed death reasons of individual monsters in the postgame massacre lists
*added many new informative graphical details, for instance recently altered attributes are shown with a *different color for some time
*[[gloomy cave]] is now longer and has more special levels and rooms
*all the endgame battles are more complex
*added [[leprosy]], a nasty disease which causes your limbs to drop off randomly