It seems like /usr/share/i18n directory on Fedora is empty, and `localectl list-locales` doesn't return all the available locales? Do you know a way to get available locales in Fedora?

This is the output of localectl list-locales. Is it incomplete? I don’t know much about locales

C.UTF-8
aa_DJ.UTF-8
aa_ER.UTF-8
aa_ET.UTF-8
af_ZA.UTF-8
agr_PE.UTF-8
ak_GH.UTF-8
am_ET.UTF-8
an_ES.UTF-8
anp_IN.UTF-8
ar_AE.UTF-8
ar_BH.UTF-8
ar_DZ.UTF-8
ar_EG.UTF-8
ar_IN.UTF-8
ar_IQ.UTF-8
ar_JO.UTF-8
ar_KW.UTF-8
ar_LB.UTF-8
ar_LY.UTF-8
ar_MA.UTF-8
ar_OM.UTF-8
ar_QA.UTF-8
ar_SA.UTF-8
ar_SD.UTF-8
ar_SS.UTF-8
ar_SY.UTF-8
ar_TN.UTF-8
ar_YE.UTF-8
as_IN.UTF-8
ast_ES.UTF-8
ayc_PE.UTF-8
az_AZ.UTF-8
az_IR.UTF-8
be_BY.UTF-8
be_BY.UTF-8@latin
bem_ZM.UTF-8
ber_DZ.UTF-8
ber_MA.UTF-8
bg_BG.UTF-8
bhb_IN.UTF-8
bho_IN.UTF-8
bho_NP.UTF-8
bi_VU.UTF-8
bn_BD.UTF-8
bn_IN.UTF-8
bo_CN.UTF-8
bo_IN.UTF-8
br_FR.UTF-8
brx_IN.UTF-8
bs_BA.UTF-8
byn_ER.UTF-8
ca_AD.UTF-8
ca_ES.UTF-8
ca_ES.UTF-8@valencia
ca_FR.UTF-8
ca_IT.UTF-8
ce_RU.UTF-8
chr_US.UTF-8
ckb_IQ.UTF-8
cmn_TW.UTF-8
crh_RU.UTF-8
crh_UA.UTF-8
cs_CZ.UTF-8
csb_PL.UTF-8
cv_RU.UTF-8
cy_GB.UTF-8
da_DK.UTF-8
de_AT.UTF-8
de_BE.UTF-8
de_CH.UTF-8
de_DE.UTF-8
de_IT.UTF-8
de_LI.UTF-8
de_LU.UTF-8
doi_IN.UTF-8
dsb_DE.UTF-8
dv_MV.UTF-8
dz_BT.UTF-8
el_CY.UTF-8
el_GR.UTF-8
en_AG.UTF-8
en_AU.UTF-8
en_BW.UTF-8
en_CA.UTF-8
en_DK.UTF-8
en_GB.UTF-8
en_HK.UTF-8
en_IE.UTF-8
en_IL.UTF-8
en_IN.UTF-8
en_NG.UTF-8
en_NZ.UTF-8
en_PH.UTF-8
en_SC.UTF-8
en_SG.UTF-8
en_US.UTF-8
en_ZA.UTF-8
en_ZM.UTF-8
en_ZW.UTF-8
eo.UTF-8
es_AR.UTF-8
es_BO.UTF-8
es_CL.UTF-8
es_CO.UTF-8
es_CR.UTF-8
es_CU.UTF-8
es_DO.UTF-8
es_EC.UTF-8
es_ES.UTF-8
es_GT.UTF-8
es_HN.UTF-8
es_MX.UTF-8
es_NI.UTF-8
es_PA.UTF-8
es_PE.UTF-8
es_PR.UTF-8
es_PY.UTF-8
es_SV.UTF-8
es_US.UTF-8
es_UY.UTF-8
es_VE.UTF-8
et_EE.UTF-8
eu_ES.UTF-8
fa_IR.UTF-8
ff_SN.UTF-8
fi_FI.UTF-8
fil_PH.UTF-8
fo_FO.UTF-8
fr_BE.UTF-8
fr_CA.UTF-8
fr_CH.UTF-8
fr_FR.UTF-8
fr_LU.UTF-8
fur_IT.UTF-8
fy_DE.UTF-8
fy_NL.UTF-8
ga_IE.UTF-8
gbm_IN.UTF-8
gd_GB.UTF-8
gez_ER.UTF-8
gez_ER.UTF-8@abegede
gez_ET.UTF-8
gez_ET.UTF-8@abegede
gl_ES.UTF-8
gu_IN.UTF-8
gv_GB.UTF-8
ha_NG.UTF-8
hak_TW.UTF-8
he_IL.UTF-8
hi_IN.UTF-8
hif_FJ.UTF-8
hne_IN.UTF-8
hr_HR.UTF-8
hsb_DE.UTF-8
ht_HT.UTF-8
hu_HU.UTF-8
hy_AM.UTF-8
ia_FR.UTF-8
id_ID.UTF-8
ig_NG.UTF-8
ik_CA.UTF-8
is_IS.UTF-8
it_CH.UTF-8
it_IT.UTF-8
iu_CA.UTF-8
ja_JP.UTF-8
ka_GE.UTF-8
kab_DZ.UTF-8
kk_KZ.UTF-8
kl_GL.UTF-8
km_KH.UTF-8
kn_IN.UTF-8
ko_KR.UTF-8
kok_IN.UTF-8
ks_IN.UTF-8
ks_IN.UTF-8@devanagari
ku_TR.UTF-8
kv_RU.UTF-8
kw_GB.UTF-8
ky_KG.UTF-8
lb_LU.UTF-8
lg_UG.UTF-8
li_BE.UTF-8
li_NL.UTF-8
lij_IT.UTF-8
ln_CD.UTF-8
lo_LA.UTF-8
lt_LT.UTF-8
ltg_LV.UTF-8
lv_LV.UTF-8
lzh_TW.UTF-8
mag_IN.UTF-8
mai_IN.UTF-8
mai_NP.UTF-8
mdf_RU.UTF-8
mfe_MU.UTF-8
mg_MG.UTF-8
mhr_RU.UTF-8
mi_NZ.UTF-8
miq_NI.UTF-8
mjw_IN.UTF-8
mk_MK.UTF-8
ml_IN.UTF-8
mn_MN.UTF-8
mni_IN.UTF-8
mnw_MM.UTF-8
mr_IN.UTF-8
ms_MY.UTF-8
mt_MT.UTF-8
my_MM.UTF-8
nan_TW.UTF-8
nan_TW.UTF-8@latin
nb_NO.UTF-8
nds_DE.UTF-8
nds_NL.UTF-8
ne_NP.UTF-8
nhn_MX.UTF-8
niu_NU.UTF-8
niu_NZ.UTF-8
nl_AW.UTF-8
nl_BE.UTF-8
nl_NL.UTF-8
nn_NO.UTF-8
nr_ZA.UTF-8
nso_ZA.UTF-8
oc_FR.UTF-8
om_ET.UTF-8
om_KE.UTF-8
or_IN.UTF-8
os_RU.UTF-8
pa_IN.UTF-8
pa_PK.UTF-8
pap_AW.UTF-8
pap_CW.UTF-8
pl_PL.UTF-8
ps_AF.UTF-8
pt_BR.UTF-8
pt_PT.UTF-8
quz_PE.UTF-8
raj_IN.UTF-8
rif_MA.UTF-8
ro_RO.UTF-8
ru_RU.UTF-8
ru_UA.UTF-8
rw_RW.UTF-8
sa_IN.UTF-8
sah_RU.UTF-8
sat_IN.UTF-8
sc_IT.UTF-8
scn_IT.UTF-8
sd_IN.UTF-8
sd_IN.UTF-8@devanagari
se_NO.UTF-8
sgs_LT.UTF-8
shn_MM.UTF-8
shs_CA.UTF-8
si_LK.UTF-8
sid_ET.UTF-8
sk_SK.UTF-8
sl_SI.UTF-8
sm_WS.UTF-8
so_DJ.UTF-8
so_ET.UTF-8
so_KE.UTF-8
so_SO.UTF-8
sq_AL.UTF-8
sq_MK.UTF-8
sr_ME.UTF-8
sr_RS.UTF-8
sr_RS.UTF-8@latin
ss_ZA.UTF-8
ssy_ER.UTF-8
st_ZA.UTF-8
su_ID.UTF-8
sv_FI.UTF-8
sv_SE.UTF-8
sw_KE.UTF-8
sw_TZ.UTF-8
syr.UTF-8
szl_PL.UTF-8
ta_IN.UTF-8
ta_LK.UTF-8
tcy_IN.UTF-8
te_IN.UTF-8
tg_TJ.UTF-8
th_TH.UTF-8
the_NP.UTF-8
ti_ER.UTF-8
ti_ET.UTF-8
tig_ER.UTF-8
tk_TM.UTF-8
tl_PH.UTF-8
tn_ZA.UTF-8
to_TO.UTF-8
tok.UTF-8
tpi_PG.UTF-8
tr_CY.UTF-8
tr_TR.UTF-8
ts_ZA.UTF-8
tt_RU.UTF-8
tt_RU.UTF-8@iqtelif
ug_CN.UTF-8
uk_UA.UTF-8
unm_US.UTF-8
ur_IN.UTF-8
ur_PK.UTF-8
uz_UZ.UTF-8
uz_UZ.UTF-8@cyrillic
ve_ZA.UTF-8
vi_VN.UTF-8
wa_BE.UTF-8
wae_CH.UTF-8
wal_ET.UTF-8
wo_SN.UTF-8
xh_ZA.UTF-8
yi_US.UTF-8
yo_NG.UTF-8
yue_HK.UTF-8
yuw_PG.UTF-8
zgh_MA.UTF-8
zh_CN.UTF-8
zh_HK.UTF-8
zh_SG.UTF-8
zh_TW.UTF-8
zu_ZA.UTF-8

Will be fixed by https://invent.kde.org/plasma/plasma-workspace/-/merge_requests/5753.

Git commit f2b50de1eaf57ede0c47c862bd49e3ba0b6a27e6 by Nate Graham, on behalf of Han Young.
Committed on 11/08/2025 at 20:45.
Pushed by ngraham into branch 'master'.

kcm_regionandlang: chop off .UTF-8 suffix from locale before adding

The ICU locale name doesn't have .UTF-8 suffix, but the localectl list-locales output does

M  +1    -1    kcms/region_language/glibclocaleconstructor.cpp

https://invent.kde.org/plasma/plasma-workspace/-/commit/f2b50de1eaf57ede0c47c862bd49e3ba0b6a27e6