id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
17760	History for ways doesn't show tag changes	midgard	team	"==== What steps will reproduce the problem?
1. Select a way that had tag changes, e.g. https://osm.org/way/158601617.
2. Optionally, change tags on it.
3. Press Ctrl+H to view history.
4. Select a diff (by clicking the changeset's line, by clicking the radio buttons or by using the keyboard).

==== What is the expected result?
You should see the correct diff between old tag revisions.

==== What happens instead?
All uploaded versions are treated as if they had the same tags of the most recent uploaded version.

==== Please provide any additional information below. Attach a screenshot if possible.

{{{
URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2019-04-28 04:36:41 +0200 (Sun, 28 Apr 2019)
Build-Date:2019-04-28 02:37:58
Revision:15031
Relative:URL: ^/trunk

Identification: JOSM/1.5 (15031 en_GB) Linux Arch Linux
Memory Usage: 620 MB / 1749 MB (272 MB allocated, but free)
Java version: 1.8.0_212-b01, Oracle Corporation, OpenJDK 64-Bit Server VM
Screen: :0.0 1920x1080
Maximum Screen Size: 1920x1080
VM arguments: [-Djosm.restart=true, -Dawt.useSystemAAFontSettings=on]
Dataset consistency test: No problems found

Last errors/warnings:
- W: No configuration settings found.  Using hardcoded default values for all pools.
- W: Region [TMS_BLOCK_v2] Resetting cache
}}}
"	defect	closed	critical		Core	tested	othersoftware	template_report regression