fixup! release-notes.txt: manually add backports

release-notes.txt

@@ -434,24 +434,30 @@ Deprecations
  wrappers now in place for backward compatibility will be removed.
 
 
-Bug fixes (96)
+Bug fixes (103)
 ==============
 
 * .murdock: Fix kconfig hash check (#18364)
 * asymcute: Compare request message type when matching acknowledgement (#18434)
 * asymcute: fix one byte out-of-bounds access in _len_get (#18433)
 * boards/common/stm32: Fix LED configuration (#18568)
 * boards/nrf52dk: fix doc (#18646)
+* core/mbox: fix race condition (#18960)
 * core/msg.c: irq was not restored properly (#18606)
 * core/mutex: fix priority inheritance on AVR (#18584)
 * core/sched.c: fix undefined behavior on 8-bit/16-bit (#18573)
 * cpu/arm7_common: align stacks correctly (#18641)
 * cpu/arm7_common: fix compilation with 12.2.0 (#18638)
+* cpu/esp32/periph_timer: allow changing callback or freq (#18973)
 * cpu/esp32: fix dependency for periph/rtt and module esp_rtc_timer_32k (#18334)
 * cpu/esp32: fix provided features and Kconfig for esp_eth (#18394)
+* cpu/esp8266/periph_timer: allow changing callback or freq (#18973)
 * cpu/esp: fix netdev register (#18391)
 * cpu/esp_common/periph_uart: fix call to _uart_set_mode (#18720)
+* cpu/nrf5x_common/periph_timer: fix spurious IRQs (#18974)
 * cpu/stm32/periph_eth: fix typo in initialization code (#18416)
+* cpu/stm32/periph_timer: fix race conditions (#18972)
+* cpu/stm32/periph_timer: fix spurious IRQs (#18972)
 * cpu/stm32: fix KConfig modeling for STM32F1 / usbdev_synopsys_dwc2 (#18741)
 * dist/tools/flatc: Fix compilation on musl (#18864)
 * dns_cache: handle TTL=0 properly (#18441)
@@ -523,6 +529,7 @@ Bug fixes (96)
 * tests/periph_gpio_ll: fix the output for GPIO_OUTPUT_OPEN_SOURCE tests (#18331)
 * tests/pkg_emlearn: fix compilation (#18902)
 * tests/pkg_tinyvcdiff: fix stack overflow (#18896)
+* tests/pkg_utensor: increase main threads stack size (#18959)
 * tests/shell: fix failure on samr21-xpro (#18908)
 * tests/socket_zep: set event_callback before init (#18751)
 * tests/sx12xx: set event_callback before init (#18751)