

You’re right, it looks like they didn’t (at least for most things?). They do mention raytracing briefly, and that the sampling stage can “combine point samples from this algorithm with point samples from other algorithms that have capabilities such as ray tracing”, but it seems like they describe something like shadow mapping for shadows and regular raster shading techniques (“textures have also been used for refractions and shadows”)?
Ok, first up the players: Labor is the major centre-left party, Liberals are the centre-right (think economically liberal), Nationals are right wing, Greens are left win, and there are a handful of “teal” independents who are mostly politcially centre women but fairly environmentally focused. The Liberals and Nationals make up the Coalition and essentially act as one insane party with the Libs at the helm, so you can essentially understand them interchangably.
Labor won the last federal election in 2022 by a slim majority (2 seats), but the Coalition lost in one of the worst defeats in recent history. The Liberals were hit the hardest, losing 19 seats, putting them at their lowest representation since formation. They were in power since 2013 and lost for a lot of reasons, but one of the major ones was that Prime Minister Scott Morrison was rightfully loathed.
Since the last election, the Coalition has been steadily growing in popularity due to the same reasons other non-incumbents have globally. Inflation, high energy prices, etc all contributed. Plus a (mostly true) perception that the government was doing too little to fix problems like our crumbling healthcare system weren’t helping.
Finally the election is announced in late March (our elections aren’t fixed) and the parties start campaigning. Dutton, the Liberal leader, looks like he is going to win a majority at this early point. The following things happen:
This has resulted in polls gradually sliding for the Coalition to the point that it now looks like they will lose even more seats this election and Labor might even gain one. Dutton may lose his own seat. It looks like the teals may pick up another member, with the Greens and fringe right wing parties staying about the same.