Looking at this video: https://www.bbc.com/news/av/world-asia-48476879, it seems they did succeed to erase the Tiananmen events from Chinese memories...
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R.I.P. One country, two systems. If Beijing wanted Taiwan to rejoin willingly under a OCTS guarantee, their actions in Hong Kong have ensured that that will never happen, and Taiwan will fight like hell to stay an independent country.
Taiwan just saw a 50% increase in trade with China, and China now amounts to 36% of its GDP. If push comes to shove Taiwan will absolutely repatriate. It's also worth noting that Taiwan is currently in the best possible position to negotiate with China, and large portions of the population as well as military are in support of it.
edit: people downvoting are free to explain what they disagree with here
Yes there's been a thawing of relationships around trade as of late, but the notion that any significant portion of the population wants reunification under the CCP is not remotely true. Of the three polls I could find on the subject taken recently, all had reunification around 10%. It's not clear how many would like that to be with Taiwan, not the PRC, as government.
10% is significant and if the question becomes war or reunification I'd wager that number would go up quite a bit. Ultimately, Taiwan is just a geopolitical pawn for US, and people there are going to realize this sooner or later. CPC tends to play the long game, and what I expect will happen is that they will continue to creating more economic ties and that will necessarily translate into closer ties overall.