Since https://git.libreoffice.org/core/+/3a42ee3284df7020ef111293a4d11148c1bf3a50, trying to customize shortcuts shows as if all commands have all key combinations assigned, which disables customization. See https://ask.libreoffice.org/en/question/187402.
Adding Cc: to Caolán McNamara
Caolán McNamara committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/+/d86739e906cc8ef2051c2bb288060d62d87066e1%5E%21 Resolves: tdf#124196 impossible to customize keyboard shortcuts It will be available in 6.3.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.
Created attachment 150170 [details] crash when trying to save (keyboard?) config to key_1.cfg assigning keys works better now (ver. 2019-03-22), thanks, the issue not being able to save the configuration as reported in my question https://ask.libreoffice.org/en/question/187402/is-it-possible-to-assign-keyboard-shortcuts-working-for-dev-version/ remains, see attached screenshot, crash when trying to save (keyboard?) config to key_1.cfg in subdir of user ...
(In reply to b. from comment #3) Thanks for the report; please file a new issue for this different problem. This issue is specifically about a regression with wrong assigned keys shown; and it is fixed.
(In reply to b. from comment #3) @Caolan: looks like all GetTabDialog() and friends should be audited when welding ;-)
Caolán McNamara committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/+/17fa95839c8942412c9fa2338eb271ae48401980%5E%21 Related: tdf#124196 fix parent-wait crash in customize dialog It will be available in 6.3.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.