Has there been an errata that allows cantrips to be swapped out upon levelling up?

Question

Based on the Q&A "Can certain classes replace cantrips with other spells when they level up?", it appears that, RAW, cantrips cannot be swapped out on level up like other spells can be (for classes that can swap out spells on level up, such as Sorcerers).

However, in last night's game, some of my fellow players mentioned to me how there has been a recent errata that now officially allows cantrips to be swapped out like spells (basically, the conclusions that the above linked Q&A have now been contradicted by errata).

I have tried to search for this errata, but I can only find evidence to the contrary (i.e. supporting the linked Q&A), but what I've been able to find may not be the most recent errata that my fellow players were referring to.

Is what they claim true about there being an errata that now allows this? Or were my fellow players mistaken?

Answer 1

What they were referring to was probably Cantrip Versatility, which first appeared in Unearthed Arcana: Class Feature Variants in November 2019. This is not errata, but rather playtest content.

The playtest document grants Cantrip Versatility to clerics, druids, and wizards (the spellcasting classes in the PHB that prepare spells). For instance, the cleric's Cantrip Versatility feature reads:

Whenever you gain a level in this class, you can replace one cantrip you learned from this Spellcasting feature with another cantrip from the cleric spell list.

Each of those 3 classes has an identically named feature in the document with nearly the same wording (replacing "cleric spell list" with "druid spell list" or "wizard spell list" respectively). It is an enhancement of the Spellcasting feature for those classes.

As Unearthed Arcana content, it is not official yet but is being play tested.

Answer 2

Disclaimer: This was originally a comment but I was asked to submit it as an answer.

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Can cantrips be swapped out on leveling up after the release of any recent errata?

I'm not sure, however:

Consider Allowing Spells (and Cantrips) Exchange for All on Leveling Up Either Way

We've been using the following house rule for years in my group:

Every time you level up you can choose to exchange one spell of your choice (including cantrips) for another spell of the same level. The spell must come from the list of the available spells of the class. This applies to all spellcasters.

The reasoning behind this house rule is that sometimes a spell may sound amazing but have little to zero practical effect on a campaign. Also, sometimes a player may misunderstand how exactly a spell works (e.g., she may omit an important sentence). This is very common with people whose English is not their main language.

Understandably, when that happens the player is dissatisfied. But with this simple fix, everyone is happy. I've been using this rule for the last 4 years and I never felt that it was abused or broke the balance of the game.