'answer':5 'liquid':7 'option':2 'sort':4

'abil':1 'appoint':3 'co':6 'co-resolv':5 'market':4 'resolv':7

Some sort of system for approving user submissions

'approv':6 'sort':2 'submiss':8 'system':4 'user':7

A separate "prop bet market type" shown on the question creation page

'bet':4 'creation':11 'market':5 'page':12 'prop':3 'question':10 'separ':2 'shown':7 'type':6

Any changes to how many options can be open at once

Any changes to how N/A resolution works on prop bet options (currently I believe user liquidity trader bonuses are not reversed)

'believ':14 'bet':10 'bonus':18 'chang':2 'current':12 'liquid':16 'n/a':5 'option':11 'prop':9 'resolut':6 'revers':21 'trader':17 'user':15 'work':7

Any ability to limit on how many options can be added per user

'abil':2 'ad':11 'limit':4 'mani':7 'option':8 'per':12 'user':13

Any changes to house provided liquidity on prop bets

'bet':9 'chang':2 'hous':4 'liquid':6 'prop':8 'provid':5

Any changes to trader bonuses on prop bets

'bet':8 'bonus':5 'chang':2 'prop':7 'trader':4

Any change to the search option and add option UI

'add':8 'chang':2 'option':6,9 'search':5 'ui':10

Any official change in policy about how mega markets should be tagged

'chang':3 'market':9 'mega':8 'offici':2 'polici':5 'tag':12

Any change to what happens to user-provided liquidity after an option resolves yes/no (currently I believe the mana is burned instead of being returned like it is in other markets)

'believ':18 'burn':22 'chang':2 'current':16 'happen':5 'instead':23 'like':27 'liquid':10 'mana':20 'market':32 'option':13 'provid':9 'resolv':14 'return':26 'user':8 'user-provid':7 'yes/no':15

Any change that stops option submitters from trading on that option (global or configurable)

'chang':2 'configur':14 'global':12 'option':5,11 'stop':4 'submitt':6 'trade':8

An option to pin certain answers to the top of the market but have the rest of the answers sorted by high/low/etc 

'answer':6,19 'certain':5 'high/low/etc':22 'market':12 'option':2 'pin':4 'rest':16 'sort':20 'top':9

Something like an option to sort by answers that have been traded on most/least, or which have the most/least positions

'answer':8 'like':2 'most/least':14,19 'option':4 'posit':20 'someth':1 'sort':6 'trade':12

Ability to create polls in comments/attach a poll to an MC answer comment

'abil':1 'answer':12 'comment':13 'comments/attach':6 'creat':3 'mc':11 'poll':4,8

Different closing times for different submissions / the option to close certain answers

'answer':12 'certain':11 'close':2,10 'differ':1,5 'option':8 'submiss':6 'time':3

A way for the prop bet market creator to commit to not trading in their own market, so as to stay unbiased

'bet':6 'commit':10 'creator':8 'market':7,17 'prop':5 'stay':21 'trade':13 'unbias':22 'way':2

A penis is hanging out of the trousers in the comments section (trader or creator)

'comment':11 'creator':15 'hang':4 'peni':2 'section':12 'trader':13 'trouser':8

Ability for market creator to customize default order of questions (not sort)

'abil':1 'creator':4 'custom':6 'default':7 'market':3 'order':8 'question':10 'sort':12

Option to "show all answers" but exclude already resolved and n/a answers

'alreadi':8 'answer':5,12 'exclud':7 'n/a':11 'option':1 'resolv':9 'show':3

Everyone loves prop bets lately! Will Manifold make any changes related to them before 4/20? Let's find out! Add your own!

"Prop bets" are loosely defined here, I'd probably count any changes that apply to megamarkets/what will happen markets despite those not necessarily being the same thing as prop bets. 