When did the rail fare portion on sleepers change?

[zephyr17]

Does anyone know when the rail fare for sleepers went from lowest value coach bucket to the second bucket? Bonus for why.

It was lowest bucket effectively forever, and it was a surprise to me a few months ago when I found that had changed.

I don't want to reignite another discussion about the accommodation charge pricing, availability of low bucket accommodations, etc. Even with the higher rail fare, rail fare is still a relatively small part of the total cost of sleepers.

 

[niemi24s]

I became aware of the change during the early part of November, 2019. But have no idea when the change was actually implemented.

Some thread at about that time contained the news and resulted in the start of this: Long Distance Train Coach & Sleeper Fares (Buckets)