there may be the odd anomaly ie. Spain's current leftist coalition, Polands's rejection of the right, or centrist parties like Labour (ugh) getting elected in the UK this time, but overall there's no getting away from the hard and ongoing embrace of the right wing.
leftist parties everywhere now occupy the centre ground and right/centre right parties have normalised hard right views on immigration. the true left is on the fringes and totally unelectable.
to blame for all of this is rampant capitalism - the working and lower middle classes don't have the money to live well, immigrants and metropolitan elites are blamed, everything shifts to the right, rinse and repeat. this is not some cyclical thing, it can't go the other way now until the broken model under which we're all living is completely reimagined. but a party wanting to reimagine it will never be elected because the left are toast. it's doomsday! there's no cause for optimism, in the UK or anywhere else.