Log Message:
ibus: update to 1.5.30.

- remove tweaks for -rc2 rename
- explicitly disable gtk4 for now
- disable a change for upstream https://github.com/ibus/ibus/issues/2560
  because this sync() call makes all inputs extremely slower during
  IME enabled on at least NetBSD/i386 10.0

Upstream changes:
 https://github.com/ibus/ibus/releases/tag/1.5.30
 https://github.com/ibus/ibus/releases/tag/1.5.30-rc2
 https://github.com/ibus/ibus/releases/tag/1.5.30-rc1

1.5.30

Changes between ibus-1.5.30 and ibus-1.5.30-rc2

Bug Fixes:
src/ibusengine: Identify SUPER_MASK in GTK4 with MOD4_MASK 7f3bde0

Contributors:
configure: Fix bash '=' operator for BSD (Izumi Tsutsui) 7078329
github/workflows: Update action/checkout version (Rafael Fontenelle) 68217a0
src/ibusservice: Fix unused variable (Jan Engelhardt) cd2cde9

1.5.30-rc2

Changes between ibus-1.5.30-rc2 and ibus-1.5.30.rc1

Bug Fixes:
src/ibusengine: Identify SUPER_MASK in GTK4 with MOD4_MASK e4eaeb7
ui/gtk3: Fix SEGV with Super-space in Wayland c63cc67
src/ibusengine: Free names in ibus_engine_filter_key_event() ca61d6e
tools: Fix ibus start/restart in Plasma Wayland 5696033
ui/gtk3: Fix ibus-daemon timeout in Plasma Wayland b4b9c2e
ui/gtk3: Set Indicator status at launching time b25643c

Translation Contributors:
po: Update translation (German) (Mike FABIAN) 95bdbb2
po: Update translation (Korean) (simmon) 633b3c0
po: Update translation (Swedish) (Luna Jernberg) 537d4d0
po: Update translation (Turkish) (Oguz Ersen) 841724a
po: Update translation (Ukrainian) (Yuri Chornoivan) 2a58178
po: Update translation (Polish) (Piotr Drag) 01e3964
po: Update translation (Georgian) (Weblate Translation Memory) dfbed6c
po: Update translation (Punjabi) (A S Alam) ca90790
po: Update translation (Danish) (Alan01) 6df5e1e

1.5.30-rc1

Enhance IBus with Plasma Wayland:

  * Implement preedit color in Plasma Wayland 59944dd
  * Implement ibus start/restart for Plasma Wayland 74712fa e425bbf
  * Show preferences menu item in activate menu 3e7ee44

Data Updates & Bug Fixes:

  * Fix control keys with game application 4872c1f
  * Fix typing freeze with barcode reader b49f3a4
  * Fix memory issues 1be3e2f 0a7a4d1 43a6e38
  * Fix preedit issue with X applications 719792d
  * Code maintenance ac46d15 8470873 820fed3
  * Update simple.xml, ibusunicodegen.h 1a17f88 228f0a7
  * Update CI 2ede4a1 a69a449

Code Contributors:

  * setup/enginedialog: Improve the search for engines (Mike FABIAN) d3d7762
  * configure: Don't do AC_CHECK_FILE when cross compiling (oreo639) cc46e62

Translation Contributors:

  * po: Update translation (Georgian) (Temuri Doghonadze) 16ebd40
  * po: Update translation (Chinese (Traditional) (zh_TW)) (Cheng-Chia Tseng)
    92769c3
  * po: Update translation (Czech) (Krystof Cerny) 4620b33
  * po: Update translation (Czech) (Daniel Rusek) e513e26
  * po: Update translation (Hebrew) (Yaron Shahrabani) 68c1d6a
  * po: Update translation (Punjabi) (A S Alam) 82b56fd
  * po: Update translation (Turkish) (Oguz Ersen) 8e31032
  * po: Update translation (Chinese (Simplified) (zh_CN)) (Liu Tao) 847a80e
  * po: Update translation (Korean) (simmon) 1180470
  * po: Update translation (Portuguese (Brazil)) (Rafael Fontenelle) dc27015