I took a crack at finding the interesting past related threads. Any others?

(I've left out posts about particular implementations, extensions, and so on—there are too many. The intention is threads about the algorithm itself.)

Raft Is So Fetch: The Raft Consensus Algorithm Explained Through Mean Girls - https://news.ycombinator.com/item?id=33071069 - Oct 2022 (53 comments)

Raft Consensus Animated (2014) - https://news.ycombinator.com/item?id=32484584 - Aug 2022 (67 comments)

Why use Paxos instead of Raft? - https://news.ycombinator.com/item?id=32467962 - Aug 2022 (45 comments)

In Search of an Understandable Consensus Algorithm (2014) [pdf] - https://news.ycombinator.com/item?id=29837995 - Jan 2022 (12 comments)

Raft Consensus Protocol - https://news.ycombinator.com/item?id=29079079 - Nov 2021 (51 comments)

Paxos vs. Raft: Have we reached consensus on distributed consensus? - https://news.ycombinator.com/item?id=27831576 - July 2021 (48 comments)

Raft Visualization - https://news.ycombinator.com/item?id=25326645 - Dec 2020 (35 comments)

Raft: A Fantastical and Absurd Exploration - https://news.ycombinator.com/item?id=23129707 - May 2020 (1 comment)

Understanding Raft Consensus - https://news.ycombinator.com/item?id=23128787 - May 2020 (3 comments)

In Search of an Understandable Consensus Algorithm (2014) [pdf] - https://news.ycombinator.com/item?id=23113419 - May 2020 (26 comments)

Paxos vs. Raft: Have we reached consensus on distributed consensus? - https://news.ycombinator.com/item?id=22994420 - April 2020 (65 comments)

Raft Is So Fetch: The Raft Consensus Algorithm Explained Through Mean Girls - https://news.ycombinator.com/item?id=22520040 - March 2020 (4 comments)

Implementing Raft: Part 2: Commands and Log Replication - https://news.ycombinator.com/item?id=22451959 - Feb 2020 (16 comments)

Building a Large-Scale Distributed Storage System Based on Raft - https://news.ycombinator.com/item?id=21447528 - Nov 2019 (5 comments)

In Search of an Understandable Consensus Algorithm [pdf] - https://news.ycombinator.com/item?id=14724883 - July 2017 (14 comments)

Instructors' Guide to Raft - https://news.ycombinator.com/item?id=11300428 - March 2016 (3 comments)

Fuzzing Raft for Fun and Publication - https://news.ycombinator.com/item?id=10432062 - Oct 2015 (10 comments)

Prove Raft Correct - https://news.ycombinator.com/item?id=10017549 - Aug 2015 (27 comments)

Scaling Raft - https://news.ycombinator.com/item?id=9725094 - June 2015 (12 comments)

Raft Consensus Algorithm - https://news.ycombinator.com/item?id=9613493 - May 2015 (24 comments)

Creator of Raft is speaking at our meetup. What questions do you want answered? - https://news.ycombinator.com/item?id=9351794 - April 2015 (6 comments)

Replicating SQLite using Raft Consensus - https://news.ycombinator.com/item?id=9092110 - Feb 2015 (21 comments)

Raft Refloated: Do We Have Consensus? [pdf] - https://news.ycombinator.com/item?id=9015085 - Feb 2015 (4 comments)

Analysis of Raft Consensus [pdf] - https://news.ycombinator.com/item?id=8736868 - Dec 2014 (3 comments)

The Raft Consensus Algorithm - https://news.ycombinator.com/item?id=8527440 - Oct 2014 (27 comments)

Raft: Understandable Distributed Consensus - https://news.ycombinator.com/item?id=8271957 - Sept 2014 (79 comments)

Raft - The Understandable Distributed Protocol - https://news.ycombinator.com/item?id=6859101 - Dec 2013 (10 comments)

Raft, a scrutable successor to Paxos - https://news.ycombinator.com/item?id=5624627 - April 2013 (2 comments)