A new version of Kernel was added to project The Inbox:
http://source.squeak.org/inbox/Kernel-mt.1412.mcz

==================== Summary ====================

Name: Kernel-mt.1412
Author: mt
Time: 27 August 2021, 10:16:40.604421 am
UUID: fdcad3e9-f9f7-fa4d-990a-ac59259860db
Ancestors: Kernel-mt.1411

Fixes rounding for negative receivers and negative arguments. Minor slow-down due to extra sign checks.

=============== Diff against Kernel-mt.1411 ===============

Item was changed:
  ----- Method: Integer>>roundTo: (in category 'truncation and round off') -----
  roundTo: aNumber 
  	"Overwritten to speed-up integer rounding via modulo instead of using intermediate fractions."
  
+ 	| rem qua |
- 	| rem |
  	aNumber isInteger ifFalse: [^ super roundUpTo: aNumber].
+ 	self = 0 ifTrue: [^ 0].
+ 	
+ 	(rem := self \\ (qua := aNumber abs * self sign)) = 0 ifTrue: [^ self].
+ 	^ rem abs >= (qua // 2) abs
+ 		ifTrue: ["round up" self + qua - rem]
+ 		ifFalse: ["round down" self - rem]
+ 		!
- 
- 	(rem := self \\ aNumber) = 0 ifTrue: [^ self].
- 	^ rem < (aNumber // 2)
- 		ifTrue: ["round down" self - rem]
- 		ifFalse: ["round up" self + aNumber - rem]!